1. Science is different than many other ways of thinking because it is based on
-opinions
-facts
-personal viewpoints
-none of the above

The factors that determine the type of magma are all of the following, except the silica content of the magma.

Magma is the most ancient fluid on the planet. It is a compound composed of silicates, oxides, as well as other volatile constituents. The magma is contained in a magnetic chamber beneath the earth's crust. Magma erupts as lava when it is moulted.

When magma escapes from the planet's interior and forms a hot magma known as lava, igneous rocks form. Magma can erupt from the earth's interior and bear children to volcanic eruptions, or it can solidify within the earth's cracks to form sills, and other features. Silica-rich magmas have a higher viscosity than mafic magmas. Mafic magmas have a higher temperature than silica-rich magmas.

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The factors that determine the type of magma are all of the following, except the  silica content  of the magma.

Magma is considered as the primitive fluid on the planet. It comprises of silicates, oxides, and other volatile constituents. The magma is present under the  magnetic chamber beneath the earth's crust.

Hence, magma when escapes from the planet's interior it forms a hot magma which is also known as lava. Magma can erupt from the earth's interior through volcanic eruptions, or it can solidify within the earth's cracks to form sills. In general ,Silica-rich magmas is having higher viscosity than mafic magmas. Mafic magmas have a higher temperature than silica-rich magmas.

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Emerging scientific ideas are new theories or ideas that are gaining attention in the scientific community, but have not yet been fully accepted or confirmed.

Emerging ideas refer to the new and innovative ideas or theories that have yet to gain full scientific acceptance. While a scientific consensus is a view or theory that has been universally accepted and confirmed by multiple experiments or research, an emerging scientific idea is a new and unproven theory or idea that is gaining attention in the scientific community. These emerging ideas may also be referred to as scientific hypotheses. In contrast to scientific consensus, emerging scientific ideas have not yet been subjected to rigorous testing and confirmation.

They are generally proposed to explain new observations or experimental results, which have not yet been fully understood or explained by established scientific theories. Emerging scientific ideas can have the potential to challenge the current scientific consensus. If an emerging scientific idea is found to be valid, it can ultimately lead to the establishment of a new scientific consensus. For example, the emerging scientific idea of the Higgs boson particle led to the discovery of a new field in particle physics, which is now an established scientific consensus.

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The balanced equation for the half-reaction that takes place at the cathode is: N2H4(aq) + 4OH^-(aq) + 4e^- → N2(g) + 4H2O(l)

The balanced equation for the half-reaction that takes place at the anode is: 2Br2(l) → 4Br^-(aq) + 4e^-

The cell voltage under standard conditions is -1.91 V.

The balanced equation for the half-reaction that takes place at the cathode is:

N2H4(aq) + 4OH^-(aq) + 4e^- → N2(g) + 4H2O(l)

The balanced equation for the half-reaction that takes place at the anode is:

2Br2(l) → 4Br^-(aq) + 4e^

To calculate the cell voltage under standard conditions, we need to find the reduction potentials (E°) for the half-reactions involved. The reduction potential for the cathode half-reaction is -0.84 V, and for the anode half-reaction, it is +1.07 V.

The cell voltage (E°cell) is calculated by subtracting the reduction potential of the anode half-reaction from the reduction potential of the cathode half-reaction:

E°cell = E°cathode - E°anode = -0.84 V - (+1.07 V) = -1.91 V

Therefore, the cell voltage under standard conditions is -1.91 V.

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Learning to play an instrument is a multi-faceted experience that can improve various aspects of one's life. Dani may have improved in areas such as cognitive abilities, creativity, discipline, communication skills, and mental health due to this experience.

Learning how to play an instrument requires a great deal of focus, dedication, and practice. Therefore, it is likely that Dani has improved in various areas due to this experience. For starters, learning an instrument can enhance cognitive abilities such as memory and attention. It also promotes creativity and improves hand-eye coordination.
Dani may have also developed a greater sense of discipline, as consistent practice is necessary to improve at playing an instrument. This skill can translate to other areas of life, such as work or education. Learning an instrument can also improve communication skills, as playing in a group or with a teacher requires effective listening and clear communication.
Additionally, playing an instrument can have positive effects on mental health. Research has shown that it can reduce stress and anxiety, and improve overall mood. It can also increase self-esteem and confidence, as Dani becomes more skilled at playing her instrument.

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Answer:

friction

Explanation:

Answer: Nuclear change is distinct from chemical change in that elements change. In the nuclear change the elements can change from one to another. (Nuclei can break apart to form smaller elements.)

Explanation:

Answer:

A nuclear change is a process by which nuclei of certain isotopes change spontaneously or are forced to change to two or more different isotopes.

Explanation:

The three main types of nuclear change in the matter are radioactive natural disintegration, nuclear fission, and nuclear fusion.

I like blowing up stuff too

Answer:

-1300

Explanation:

Answer:

-1300

Explanation:

trust

Option d. 3 L. According to Lussac's Law of combining volumes, when gases react, they do so in volumes that are in the ratio of small whole numbers.

Therefore, the ratio of the volumes of H2 to N2 to NH3 is 3:1:2. This means that for every 3 L of H2, 1 L of N2 and 2 L of NH3 are produced. Since 4 L of NH3 is produced in this case, we can set up a proportion:

3 L H2 / 2 L N2 = x L H2 / 4 L NH3

Cross-multiplying gives:

3 L H2 * 4 L NH3 = 2 L N2 * x L H2

Simplifying gives:

12 L H2 = 2 L N2 * x L H2

Dividing both sides by 2 L N2 gives:

x L H2 = 6 L H2 / 2 = 3 L H2

Therefore, 3 L of H2 react with 2 L of N2 to produce 4 L of NH3.

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The dependent variable is the factor that is called the experimental variable and is tested in the experiment. The amount of oxygen gas produced is the dependent variable. Thus, option C is correct.

In a scientific method, the dependent variable is the variable that is conditional based and these values are affected by the independent variables. It is an outcome variable that along with the independent showed the cause and effect relationship.

The mass or the amount of oxygen produced is the dependent variable that is affected by the type of substances being tested in the experimental analysis. The temperature, 25°C is a controlled variable, and the nature of the substances is an independent variable.

Therefore, option C. the oxygen amount is the dependent variable.

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According to the research, organic compounds are those that have carbon produced naturally or through chemical synthesis used in food, the pharmaceutical industry, among others.

All organic compounds have carbon as a central component, carbon molecules join together very easily in chains that can take various forms and reach different lengths.

They are very abundant and are found in many foods, our body is made up mostly of organic compounds, they are used as a food preservative, for the production of innumerable polymers, as fuels and to obtain products that are raw materials for petrochemicals.

Therefore, we can conclude that according to the research, organic compounds are those that have carbon produced naturally or through chemical synthesis used in food, the pharmaceutical industry among others.

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CH4 is an example of a covalent molecule.

Covalent molecules are formed when atoms share electrons between them to form a bond. In CH4, or methane, there is a single carbon atom that shares four electrons with four hydrogen atoms, resulting in a tetrahedral shape. Covalent molecules typically have low melting and boiling points, do not conduct electricity, and tend to have lower solubility in water compared to ionic compounds.

In contrast, ionic compounds, such as NaCl, CuSO4, and LiF, are formed from the transfer of electrons from one atom to another, resulting in the formation of positively and negatively charged ions. Ionic compounds typically have high melting and boiling points, are good conductors of electricity when dissolved in water, and have higher solubility in water compared to covalent molecules.

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The number of moles of aluminum powder needed to produce 203.7 grams of manganese is 5 moles.

Heat, Mn, and Al2O3 are produced when aluminum powder and manganese dioxide are heated.

\(3MnO_{2} + 4Al - > 3Mn + 2Al_{2} O_{3} + Heat\)

The balanced chemical equation in this situation indicates that there are 3 moles of manganese and 4 moles of aluminum involved in the reaction, which results in a 3:4 mole ratio.

You may make use of this mole ratio by calculating how many moles of aluminum are required to react with the 203.7g of Manganese. So,

Firstly, the mass of Aluminium has to be taken out

Let the mass be considered x.

So, the number of moles of Aluminium = x/27

Number of moles of Manganese = 203.7/54

Hence, the mass x will be,

\(x = 4 *203.7 * 27 / 3 * 54\)

\(x = 135.8g\)

Hence,  the number of moles of Aluminium is = 135.8/27 = 5 moles.

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The most common age at which infancy can be applied as a legal defense is 7 years old.

It's important to note that the application of infancy varies by state and crime. For example, some states may apply infancy to individuals who are under the age of 16 for certain crimes, while others may apply it to those who are under the age of 18 for all crimes. Additionally, the severity of the crime may also play a role in whether or not infancy is applied.

The infancy defense is a legal concept that protects children from being held fully responsible for their actions in criminal cases. The age of criminal responsibility varies from state to state, but many jurisdictions consider children under the age of 7 to be incapable of forming criminal intent. Therefore, the age of 7 is often the threshold for applying the infancy defense. However, it is essential to note that laws differ by jurisdiction, and the specific age may vary.

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Answer:A

Explanation:

If the KHP has not been dried before weighing, the calculated molarity of the NaOH would be higher than the actual value, since water is included in the apparent mass of KHP.

The KHP is Potassium hydrogen phthalate. It is commonly used as a primary standard in pure form for sodium hydroxide titrations because it is stable in air making it easy to weigh.

However, if KHP is not dried very well, the mass of water is included as part of the mass of KHP and this will make calculated molarity of KHP to be higher than the actual value.

Again, the reaction between KHP and NaOH has a 1:1 molar ratio so if the molarity of KHP is higher than its actual value, the molarity of the NaOH would also be higher than the actual value.

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The 2 processes in which the particles will lose or gain energy are:

1) Temperature Change Or

2) State Change

A particle losses or gains energy when its Temperature changes i.e. A vessel filled with boiling water (100 degrees C ) cools down at the room temperature OR

when its State changes i.e. A bucket full of ice is kept at a room temperature (state changes from Solid to Liquid)

It is because of the breaking or formation of bonds, which results in loss or gain in energy.

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Answer:

Shaggy off the today science ka sara kam yyyyyy the today science and technology y rocks and minerals and vitamins a

Answer:

No, i will not use a water pipe consisting of the two metals

Explanation:

Looking at the reduction potential of the both metals, it is clear that an electrochemical cell is set up with iron as the anode and copper as the cathode.

This will make the iron to quickly corrode and eventually destroy the water pipe. It is better to have a set up in which another metal that is higher than iron in the electrochemical series is combined with it.

Answer:

Temperature is read by measuring the liquid in the thermometer using the scale on the thermometer. When the temperature rises, the liquid in the thermometer rises. When the temperature drops, the liquid in the thermometer drops.

Explanation:

got it right on edge

When the temperature is increase so the liquid in the temperature should be rised.

When there is a fall in the temperature the liquid in the thermometer should be fallen.

The temperature should be read via calculating the liquid in the theromemeter by applying the scale occur in the thermometer. At the time when the temperature is increase so the liquid in the temperature should be rised. While on the other hand, When there is a fall in the temperature the liquid in the thermometer should be fallen. This means it shows the direct relationship between them

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Answer:

The number of neutrons is variable, resulting in isotopes, which are different forms of the same atom that vary only in the number of neutrons they possess. Together, the number of protons and the number of neutrons determine an element's mass number.

Answer:

Latin: Chromium; Czech: Chrom; Croatian: Krom; French: Chrome; German: Chrom - r; Italian: Cromo; Norwegian: Krom; Portuguese: Crômio; Russian: Хром; Spanish: Cromo; Swedish: Krom.

Explanation:

When an atom X of an element in Group 1 reacts to become X+, number of filled energy levels decreases. The correct option is D.

An atom's electrons typically fill all of the lowest energy levels first, followed by the higher ones. The electrons are in the lowest energy state possible thanks to this filling order.

Atom X will lose an electron to become atom \(X^{+1}\), since the atom is neutral and the electron is unit negatively charged. While the nonmetal picks up one or more electrons, the metal loses one or more. The amount of electrons lost is a function of the metal's position in the periodic table. Elements in group 1 lose one electron, while those in group 2 lose two. When one electron is lost, a positive charge results because there are more protons than electrons. With the negative charge, the opposite occurs.

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The complete question is:

When an atom X of an element in Group 1 reacts to become X+ -

A mass number of X increases.

B atomic number of X decreases.

C charge of the nucleus increases.

D number of filled energy levels decreases.

Answer

                    Explanation:O2 = 1.7×10-3M;

N2 = 6.4×10-3M;

NO = 1.1 10-5M.

2-Methyl-2-butanol is a type of alcohol that is also known as tert-butyl alcohol or 2-methylpropyl alcohol.

what are the properties of 2-Methyl-2-butanol ?

It is a clear, colorless liquid that has a characteristic sweet and fruity odor. This alcohol is used in a variety of applications, including as a solvent, as a fuel additive, and as an intermediate in the synthesis of other chemicals. It is also used in the production of various fragrances and flavors, as well as in the formulation of certain pharmaceuticals and personal care products.

2-Methyl-2-butanol (tert-butyl alcohol) is a branched-chain alcohol that is characterized by its four carbon atoms and its secondary alcohol functional group. It is a clear, colorless, and relatively low-volatility liquid that has a low water solubility and a relatively low boiling point compared to other alcohols of similar molecular weight.

In terms of its properties and uses, 2-methyl-2-butanol is an effective solvent for a variety of organic compounds, including resins, fats, and oils, and it is also used as a starting material for the production of other chemicals. As a fuel additive, it can help to increase the octane rating of gasoline, and it can also help to reduce engine knock and improve fuel efficiency.

2-Methyl-2-butanol is a type of alcohol that is also known as tert-butyl alcohol or 2-methylpropyl alcohol.

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The primary goal of the carburetor is to atomize and vaporize the fuel before mixing it with air in varying proportions, making it the device that is used for atomizing and vaporizing the fuel before mixing it with air in varying proportions.

The device that is used for atomizing and vaporizing the fuel before mixing it with air in varying proportions is Carburetor. A carburetor is a device that blends air and fuel for an internal combustion engine. It is often located on the top of an engine on a direct engine-to-carburetor link, and it controls how much air and fuel are mixed.The carburetor must also supply the engine with a spark plug to ignite the fuel/air mixture in each cylinder.

The carburetor must provide a fuel/air mixture that is consistent with the engine's changing demands, which vary with engine speed, load, and temperature. A carburetor is responsible for enriching the fuel/air mixture when the engine is cold and for leaning the mixture as the engine warms up. As well, it is also responsible for regulating the fuel/air mixture at part-throttle levels, where the engine spends most of its time when driving.

When an engine is running at full throttle, it is operating at wide-open throttle (WOT), and the carburetor provides the richest fuel/air mixture possible.The carburetor, like most engine systems, is a complex and sensitive device that must be correctly tuned to perform properly. The primary goal of the carburetor is to atomize and vaporize the fuel before mixing it with air in varying proportions, making it the device that is used for atomizing and vaporizing the fuel before mixing it with air in varying proportions.

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Two specific air pollutants that contribute to acid rain are sulfur dioxide (SO2) and nitrogen oxides (NOx).

Sulfur dioxide is primarily emitted from industrial processes such as the burning of coal and oil in power plants. One remediation strategy for SO2 is the installation of scrubbers in industrial facilities. Scrubbers remove SO2 from the emissions before they are released into the atmosphere.

Nitrogen oxides are primarily emitted from the combustion of fossil fuels in cars, trucks, and other vehicles. One remediation strategy for NOx is the use of catalytic converters in vehicles. Catalytic converters convert NOx into less harmful gases before they are released into the atmosphere.

Both of these remediation strategies can help reduce the amount of these pollutants in the air and, in turn, reduce the occurrence of acid rain.

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0.0989 grams of KOH is needed to neutralize 12.6 mL of 0.14 M HCl in stomach acid.

Volume of HCl solution = 12.6 mL = 0.0126 L

The concentration of HCl solution = 0.14 M We have to find the amount of KOH required to neutralize the given volume and concentration of HCl.

In order to calculate the amount of KOH, we need to first calculate the number of moles of HCl using the formula of Molarity;

Molarity = (Number of moles of solute) / (Volume of solution in liters)0.14 M = n(HCl) / 0.0126L0.14 × 0.0126 = n(HCl)n(HCl) = 0.001764 moles of HCl

Now, the balanced chemical equation for the reaction of KOH with HCl is;KOH + HCl → KCl + H₂OOne mole of KOH reacts with one mole of HCl.

Therefore, the number of moles of KOH required to neutralize the given amount of HCl would be equal to 0.001764 moles. Now, let's calculate the amount of KOH in grams.

Molar mass of KOH = 39.1 + 16.00 + 1.008 = 56.108 g/mol0.001764 moles of KOH would weigh = 0.001764 × 56.108 = 0.0989

hence, the amount of KOH required to neutralize the given volume and concentration of HCl would be 0.0989 grams.

Thus, 0.0989 grams of KOH is needed to neutralize 12.6 mL of 0.14 M HCl in stomach acid.

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Answer:

A, B & C form the vertices of a triangle.

∠ CAB = 90°, ∠ ABC = 73° and AB = 9.4.

Calculate the length of BC rounded to 3 SF

Salt and water level is balanced in our body by the proper regulation through hormonal actions. The level of sodium is controlled and the water if needed is reabsorbed from urine. And if the salt concentration is higher it  is removed through urine.

In addition to actively holding or releasing water in urine, the body manages its salt and water balance by excreting extra sodium in urine. This method has the benefit of reducing the need on external water sources for the long-term preservation of bodily fluids.

Researchers discovered that the kidney regulates levels of sodium, potassium, and the waste product urea to save or release water. This may be the link between salt consumption and glucocorticoid levels.

A high-salt meal raised glucocorticoid levels, which increased the amount of energy utilized by the liver and muscle to generate urea, which the kidney then used to conserve water.

The maintenance of the body fluids' normal concentration, or the sum of all dissolved chemicals  that would exert osmotic pressure against a barrier impervious to them, is known as osmotic control.

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If your credit score were 700 instead of 690, your savings would amount to approximately $232.57 over the course of the loan.

The difference in savings arises from the interest rate variations associated with different credit scores. Typically, higher credit scores lead to lower interest rates.

12 months make one year.

5 years is 5 x 12 = 60 months.

When using the APR calculator, a credit score of 700 or better equals 13.25% APR. Total payments over the loan's length equal $10,296.56.

Using the APR calculator, an APR credit score of 699 or below equals 14.25 percent. Total payments during the loan's term equal $10,529.13.

Savings: $10,529.13 - $10,296.56 = 232.57

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The given question is incomplete, complete question is- "You are in need of a $7,500 loan, which you plan to repay over 5 years. Your credit score is currently 690. Using the rates and the online calculator below, determine how much your savings would be if your credit score were 700 instead of 690."

\(\frac{1}{8}\) of an initially pure sample of radioactive nuclide will remain undecayed at the end of 43.4 y.

According to the question,

Half-life, \(T_{1/2}\) = 24.4 y

we know that,

                        \(\frac{N}{N_{0} } = (\frac{1}{2})^{n}\)

If t = 43.4 y ; n = \(\frac{24.4}{43.3}\)  = 1.77 = 2,

                     \(\frac{N}{N_{0} } = (\frac{1}{2})^{2}\) = \(\frac{1}{8}\)

So,\(\frac{1}{8}\) an initially pure sample of radioactive nuclide will remain undecayed at the end of 43.4 y.

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