explain why the ph of 0.1 m ethanol is higher than the ph of 0.1 m acetic acid. draw structures to support your explanation.

The planet you are referring to is not a planet, but a celestial object called a comet. Comets are made up of frozen gas, rock, and dust and can develop a visible "tail" when they get close to the sun due to the heat causing the ice to vaporize and release gas and dust particles.

Answer:

Moon

Explanation:

Answer:

no questions and no list

To prepare a 0.125 M solution of copper (II) oxide with a volume of 530.00 mL, you would need to calculate the mass of solid sodium nitrate required. The molar mass of sodium nitrate (NaNO3) is 85.0 g/mol.

To calculate the mass of solid sodium nitrate needed, you can use the formula:

Mass (g) = Molarity (mol/L) x Volume (L) x Molar Mass (g/mol)

Plugging in the values, we get:

Mass (g) = 0.125 mol/L x 0.530 L x 85.0 g/mol

Simplifying the equation gives:

Mass (g) = 5.31375 g

Therefore, approximately 5.31 grams of solid sodium nitrate must be used to prepare a 0.125 M solution of copper (II) oxide with a volume of 530.00 mL.

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Answer:

How do you think plants would grow in space? Which tropism(s) would be affected and why?

In the absence of gravity, plants use other environmental factors, such as light, to orient and guide growth. A bank of light emitting diodes (LEDs) above the plants produces a spectrum of light suited for the plants' growth. Enjoy don't  fail :)

Explanation:

In an ecosystem like space where there is no gravity, geotropism would be affected .

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Synthesis reaction

It is a reaction in which 2 or more reactants combine with each other to form one product .

Check option C

Sulphate and water are combining to form sulfuric acid .

Hence option C is correct

Answer:

SO3 + H2O => H2SO4

Explanation:

I took the test :)

The words that fit into the blanks in order is;

1) six

2) Lanthanum

3) seven

4) Actinium

The periodic table is the arrangement of the elements on the basis of an increase in their atomic numbers. This implies that the elements that have a higher atomic number would be found almost at the right hand side of the periodic table.

The periodic table is arranged in rows and periods. The rows are the periods and this is made up of elements that have the same number of shells or the same highest energy levels. The groups are the elements that have the same number of outermost electrons. The elements that are found in the same group are known to be very much chemically similar to each other.

The words that fit into the blanks in order is;

1) six

2) Lanthanum

3) seven

4) Actinium

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The volume occupy at 415K and 12.3atm is 37.25ml.

Ideal gas:

An ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. It is one for which both the volume of molecules and forces between the molecules are so small that they have no effect on the behavior of the gas.

Here we have to find the volume occupied.

The formula for an ideal gas:

P1 V1 / T1 = P2 V2 / T2

V2 = P1 V1 T2 / T1 P2

P1 = 14.8atm

P2 = 12.3atm

V1 = 23.5 ml

T1 = 315K

T2 = 415K

Now putting these values in the equation we get:

V2 = (14.8× 23.5 × 415)/ ( 12.3 × 315)

     = 144,337 / 3874.5

    = 37.25 ml

Therefore the 37.25ml is the volume.

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Answer:

Answer is C because in exothermic reactions, energy releases.

in Cellular respiration,

ATP+H20 (water) = ADP+ Pi + Energy

So celullar respiration is exothermic and releases energy

Answer:

yes it is

Explanation:

because what ever you mix in it it would explode and give a chemical reaction

Answer:

my bro what is the question first ?

Explanation:

The question is incomplete, the complete question is;

The levels of organizations in multicellular organisms are shown below, but they are not in the correct order. Arrange the levels of organization in order from simplest to most complex. tissues organs whole organisms organ systems

Answer:

tissues --> organs --> organ system --> whole organisms

Explanation:

The levels of organizations in multicellular organisms refers to the increasing complexity of the components of the organism.

A tissue is an aggregation of cells hence it is the lowest level of organization here.

Organs are an aggregation of tissues, this is the next higher level of organization.

Organ systems are an aggregation of organs, this is the next higher level of organization.

Whole organisms are an aggregation of organ systems. This is the highest level of organization.

The research article titled "Sorption of polar and nonpolar aromatic compounds to two humic acids with varied structural heterogeneity" by Sun H, Zhu D, and Mao JD (2008) published in the journal "Environmental Toxicology and Chemistry" investigates the adsorption behavior of polar and nonpolar aromatic compounds on two different types of humic acids that exhibit varying levels of structural heterogeneity.

The study aimed to understand how the structural characteristics of humic acids influence their sorption capacity for different aromatic compounds. The researchers conducted experiments in which they exposed the humic acids to both polar and nonpolar aromatic compounds and measured the extent of sorption. They also analyzed the relationship between sorption behavior and the structural heterogeneity of the humic acids.

The findings of the study revealed that the sorption of aromatic compounds to humic acids was strongly influenced by the presence of functional groups and the degree of structural heterogeneity. Polar aromatic compounds exhibited higher affinities for humic acids due to interactions such as hydrogen bonding and electrostatic attractions. Nonpolar aromatic compounds showed lower sorption due to weak interactions with the humic acid structure.

Furthermore, the researchers found that the sorption capacity varied between the two types of humic acids with different degrees of structural heterogeneity. The humic acid with higher heterogeneity showed increased sorption of both polar and nonpolar aromatic compounds, suggesting that a more diverse and complex molecular structure enhances sorption capacity.

Overall, this research contributes to our understanding of the sorption behavior of aromatic compounds to humic acids and highlights the importance of considering structural heterogeneity when studying sorption processes in environmental systems.

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Answer:

-1300

Explanation:

Answer:

-1300

Explanation:

trust

Answer:

Catalase

Explanation:

These reactive oxygen specie or free radicals that cause damage or injury to cells also lead to oxidative stress if unchecked by antioxidants. As suggested in the question, there are several enzymes that act as antioxidants in mitigating the effects of these reactive oxygen specie or free radicals. These enzymes include catalase, superoxide dismutase and glutathiones (such as glutathione s-transferase).

The enzyme that however prevents the accumulation of hydrogen peroxide (H₂O₂) in the peroxisome is catalase. Catalase is an enzyme that is present in the peroxisome; it (catalase) detoxifies/acts on H₂O₂, converting it (H₂O₂) into water and oxygen.

1.88M is the molarity of a solution of Na\(_2\)CO\(_3\) if 100 grams of solute are dissolved in 0.5 L of water.

Molarity is also known as concentration in terms of quantity, molarity, or substance. It is a way to gauge how much of a certain chemical species—in this case, a solute—is present in a solution.

It describes a substance every unit volume per solution in terms of quantity. The quantity of moles / litre is the molarity unit that is most frequently used in chemistry.

Molarity = number of moles/ volume of solution

number of moles = 100/ 105.9

                            = 0.94

Molarity =  0.94/ 0.5

              = 1.88M

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Answer: Milk and chocolate/ oil and water are solution whereas fruit salad and air are mixtures

Answer:

E conduct electricity when melted

Explanation:

They can not produce electricity until dissolved/ melted in water

The final temperature of the mixture is approximately 187.5°C.

To determine the final temperature of the mixture, we can use the principle of conservation of energy. The heat gained by the cooler water is equal to the heat lost by the hotter water.

The heat gained or lost can be calculated using the equation:

q = m * c * ΔT

Where:

q is the heat gained or lost

m is the mass of the water

c is the specific heat capacity of water (approximately 4.18 J/g°C)

ΔT is the change in temperature

Since we have volumes of water, we need to convert them to masses using the density of water, which is approximately 1 g/mL.

The mass of 30.0 mL of water is 30.0 g, and the mass of 50.0 mL of water is 50.0 g.

Let's assume the final temperature of the mixture is T.

The heat lost by the hotter water can be calculated as:

q1 = m1 * c * (T - 345)

The heat gained by the cooler water can be calculated as:

q2 = m2 * c * (T - 282)

Since the total heat lost by the hotter water is equal to the total heat gained by the cooler water, we have:

q1 = q2

m1 * c * (T - 345) = m2 * c * (T - 282)

Simplifying the equation:

30.0 * (T - 345) = 50.0 * (T - 282)

Solving for T:

30.0T - 10350 = 50.0T - 14100

20.0T = 3750

T ≈ 187.5°C

Therefore, the final temperature of the mixture is approximately 187.5°C.

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Answer:

Explanation:

Here, we want to check if the equation of the reaction is balanced or not

Now, for a balanced equation of reaction, the number of atoms of the individual elements on both sides of the equation is equal

Now, let us check the atoms:

We have 1 Sr on both sides

We have 1 SO4 on both sides

We have 1 Mg on both sides

We have 2 OH on both sides

From what we can see, the equation of the reaction is balanced

Thus, the correct answer choice is B

Answer:

Youngest - limestone with crinoid

2nd - shale with ammonite

3rd -  sandstone with trilobite

oldest - conglomerate rock

Explanation:

The percentage saturation of the Hemoglobin will be 45%. Hemoglobin saturation will eventually diminish quickly as the PO2 drops.

The hemoglobin's % saturation as a function of oxygen partial pressure is plotted on the oxygen-hemoglobin dissociation curve (PO2). Hemoglobin will be 100% saturable with oxygen, or all four heme groups will be bound, at a PO2 of 100 mmHg. 1.34 mL of oxygen may be carried by every gram of hemoglobin. Oxygen is soluble in plasma at a solubility coefficient of 0.003. This coefficient shows the volume of oxygen in mL that will dissolve in 100mL of plasma for each 1 mmHg spike in the PO2. The oxygen content is then determined using a formula, so that

Oxygen Content = (0.003 × PO2) + (1.34 × Hemoglobin × Oxygen Saturation).

This formula illustrates that dissolved oxygen is a sufficiently tiny fraction of total oxygen in the blood; consequently, the oxygen content of blood can be deemed equivalent to the oxyhemoglobin levels.

Alveolar gas in the lungs has a PO2 of 100 mmHg. However, even at a PO2 of 60 mmHg, oxygen saturation will still be high because of the high affinity for the fourth oxygen molecule. Hemoglobin saturation will eventually diminish quickly as the PO2 drops; at a PO2 of 40 mmHg, hemoglobin is 75% saturated. In the meantime, hemoglobin is 50% saturated at a PO2 of 25 mmHg. When 50% of each hemoglobin's heme groups are oxygenated, this condition is known as P50.

The nature of the oxygen saturation becomes increasingly important in light of the effects of right and left shifts. A variety of the factors can cause these shifts.

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1.5 moles of H₂ are required to react completely with 14g N₂ in the chemical equation N₂ + 3H₂ ---> 2NH₃ .

This  tells us that in order to make two molecules of NH₃, we need one molecule of N₂ and three molecules of H2. To figure out how many moles (which is just a way of measuring how much of a substance you have) of H2 we need to react with 14.0 g of N₂, we can use the information from the equation.

First, we convert the 14.0 g of N₂ to moles (which means we're figuring out how many pieces of N₂ we have, because 1 mole = Avogadro's number of particles, or roughly 6.022 x 10²³).

14.0 g N₂ x (1 mol N₂/28 g N₂) = 0.5 mol N₂

Then, we use the mole ratio from the equation to figure out how many moles of H₂ we need:

0.5 mol N₂ x (3 mol H₂/1 mol N₂) = 1.5 mol H₂

So we'd need 1.5 moles of H₂ to react completely with 14.0 g of N₂.

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Answer:

2.040 cm

Explanation:

If we study the options closely, we will discover that the chosen option is exactly the same as the actual value of the length of the test tube.

Hence it follows that the option chosen in the answer represents the actual measurement of the length of the test tube as stated above

Answer:

32 atoms

Explanation:

An element with just is a letter is represented as 1 atom

An element with a number after it shows how many atoms (not one atom) is of that element.

I'm not sure if the (6)'s are trying throw you off.

Answer:

54 grams

Explanation:

Mole ratio is 2:2

3 mol H2 * 2 mol H2O/2 mol H2 = 3 mol H2O

Convert to grams by using the mass of water

3*18=54 grams

Answer:

The answer is red.

Explanation:

Since pH of the solution is 2, the solution is acidic, the color of the solution will be red.

Answer: a)Complete ionic equation:

2NH₄⁺ + S²⁻ + Fe²⁺ + SO₄²⁻ → 2NH₄⁺ + SO₄²⁻ + FeS

Net ionic equation:

Fe²⁺ + S²⁻ → FeS

b) Complete ionic equation:

2Na⁺ + SO₃²⁻ + Ca²⁺ + 2Cl⁻ → 2Na⁺ + 2Cl⁻ + CaSO₃

Net ionic equation:

SO₃²⁻ + Ca²⁺ → CaSO₃

c) Complete ionic equation:

Cu²⁺ + SO₄²⁻ + Ba²⁺ + 2Cl⁻ → Cu²⁺ + 2Cl⁻ + BaSO₄

Net ionic equation:

Ba²⁺ + SO₄²⁻ → BaSO₄

Explanation:

(a) Balanced formula equation:

(NH₄)₂S + FeSO₄ → (NH₄)₂SO₄ + FeS

Complete ionic equation:

2NH₄⁺ + S²⁻ + Fe²⁺ + SO₄²⁻ → 2NH₄⁺ + SO₄²⁻ + FeS

Net ionic equation:

Fe²⁺ + S²⁻ → FeS

(b) Balanced formula equation:

Na₂SO₃ + CaCl₂ → NaCl + CaSO₃

Complete ionic equation:

2Na⁺ + SO₃²⁻ + Ca²⁺ + 2Cl⁻ → 2Na⁺ + 2Cl⁻ + CaSO₃

Net ionic equation:

SO₃²⁻ + Ca²⁺ → CaSO₃

(c) Balanced formula equation:

CuSO₄ + BaCl₂ → CuCl₂ + BaSO₄

Complete ionic equation:

Cu²⁺ + SO₄²⁻ + Ba²⁺ + 2Cl⁻ → Cu²⁺ + 2Cl⁻ + BaSO₄

Net ionic equation:

Ba²⁺ + SO₄²⁻ → BaSO₄

Answer:

P3

Explanation:

Im pretty sure hope this helps