Which substance is an example of a colloid

Answer:

james Chadwick discovered it

Answer:

Robot 1 : 150 J

Robot 2: 40 J

Explanation:

30 N x 5m = 150 J

20 N x 2m = 40 J

Please mark as brainliest

Have a great day, be safe and healthy  

Thank u  

XD

a. The names for the chemical compounds in the task given above are as follows:

b. The formula for the compound given above are:

It is a substance formed between two two or more different elements which are chemical compound together and whose properties are entirely different from the properties of the contribution elements.

In conclusion, we can now confirm from the explanation given above that a compound could be ionic or molecular.

Read more on compounds:

https://brainly.com/question/26487468

#SPJ1

Answer:

i believe its b but i could be wrong

True. The subscripts in a chemical formula represent the relative number of atoms of each element in a compound. They indicate the ratio of atoms present and remain constant for a given compound.

Changing the subscripts would alter the composition and stoichiometry of the compound.

forces between the negatively charged electron and the positively charged nucleus, allowing the electron to be completely removed from the atom. It is typically measured in units of electron volts (eV) or kilojoules per mole (kJ/mol). Ionization energy is influenced by factors such as the atomic structure, electron shielding, and the effective nuclear charge experienced by the outermost electrons. The ionization energy generally increases as you move across a period in the periodic table due to increased nuclear charge and decreased atomic radius. It also decreases as you move down a group due to increased electron shielding and atomic size. Ionization energy plays a crucial role in understanding chemical reactions, electron configurations, and the reactivity of elements.

Learn more about  chemical    here:

https://brainly.com/question/29240183

#SPJ11

Given what we know, we can give the definition of these 20 words.

Density: magnitude that shows the correlation between mass and volume of a solution.

Hollow: having an empty space or concavity.

Solid: state of matter in which its particles are together and organized with great cohesion among themselves.

Conserve: to keep or protect something from some kind of damage or change.

Conduction: transmission of a charge through a body.

Convention: an established technique, form, or practice.

Current: a flow of electrically charged particles that travels through space.

Emit: release or discharge something such as a type of gas, liquid, light or sound.

Expand: increase the volume in a given space by some change in temperature.

Radiation: transmission of energy from a source through space.

Vigorously: done energetically or actively.

Porous: body that allows some fluid to pass through it.

Evaporation: it is a physical process in which it goes from the liquid state to the gaseous state. It can occur at any temperature

Isopropanol: colorless, flammable alcohol that can be mixed with water.

Condense: state of matter in which particles are packed closely together.

Temperature: thermal level of a body or the atmosphere.

Kinetic energy: energy possessed by a body by its motion.

Thermal energy: internal energy enclosed in a thermodynamic system in equilibrium that is proportional to its absolute temperature.

Condensation: is the change of matter from a gaseous state to a liquid state.

Mass: magnitude with which we measure the amount of matter that expresses a body.

To learn more about chemistry visit: https://brainly.com/question/17066001?referrer=searchResults

#SPJ1

Answer:O B. Weak acid breaks down minerals by reacting with them.

Explanation:

Chemical weathering is the process whereby rain water which sometimes can be acidic ( As rain falls down it reacts with CO2 in the atmosphere and form acid rain), This  reacts  with the minerals contained in rocks, dissolves and degrades  them further to form entire  new minerals.

An example of a rock that is greatly affected by overexposure of  acid rain is  limestone containing calcite  which easily degrades by acid rain.

Other processes whereby Chemical weathering can occur are through reaction with water and oxygen.

In any chemical or physical change, energy cannot be created or destroyed, only transformed in form.

option C.

The first law of thermodynamics is known as the law of Conservation of Energy.

This law states that energy can neither be created nor destroyed but can be converted from one form to another.

So the first law of thermodynamics is not known as the "Law of Conservation of Mass", but rather as the "Law of Conservation of Energy".

The statement that best corresponds to the first law of thermodynamics is option C: "In any chemical or physical change, energy cannot be created or destroyed, only transformed in form."

Learn more about first law of thermodynamics here: https://brainly.com/question/26035962

#SPJ1

Everything else being equal, a gradual increase in atmospheric CO2 would most likely bring about (4) an increase in surface temperature.

CO2 is a greenhouse gas, which means that it absorbs infrared radiation and contributes to the warming of the Earth's atmosphere. As the concentration of CO2 in the atmosphere increases, it traps more heat and leads to an increase in surface temperature. This effect is known as the greenhouse effect.

The increase in temperature can have many consequences, including changes in precipitation patterns, rising sea levels, and more frequent and severe weather events. However, it is important to note that other factors, such as changes in solar radiation and volcanic activity, can also affect the Earth's climate.

Learn more about temperature here:

https://brainly.com/question/11464844

#SPJ11

Answer:

Chlorination

Explanation:

"Exposure to high volumes of chlorine gas fumes can cause serious health problems, including death."

https://water.mecc.edu/courses/ENV211/lesson14_print.htm

:)

Answer:

hi

Explanation:

Answer:

6 miles.

Explanation:

There is a lot of decimal points after it. But you just need to convert everything. But if you round it to the nearest whole, it would be 6 miles.

Answer:

Ex1,000,000 Centimeters =

6.2137119 Miles

planation:

The sum of the coefficients in the balanced redox reaction is 17.

In the given redox reaction, we need to balance the equation in acidic solution. The first step is to balance the atoms in the reaction by adding coefficients in front of each compound. We start by balancing the atoms that appear in multiple compounds. By assigning appropriate coefficients, we balance the number of chlorine (Cl) atoms on both sides of the equation.

Next, we balance the number of oxygen (O) atoms by adding water molecules (H₂O) to the equation. We also balance the charge by adding hydrogen ions (H⁺) to the reaction. Finally, we check the overall charge and atom balance to ensure the equation is balanced. After balancing, the coefficients of the balanced equation are: ClO₃⁻ + 6Cl⁻ → 5Cl₂ + ClO₂. The sum of the coefficients is 17, which is the answer to the question.

Learn more about Redox reactions

brainly.com/question/28300253

#SPJ11

Answer:

I can only see b

Explanation:

Answer:

Carbon- 11 has 6 protons in its nucleus and boron- 11 has 5 protons in its nucleus.

Explanation:

note: Carbon has an atomic number of 6

and Boron has an atomic number of 5.

Answer:

D. 108g of water

Explanation:

16g CH4 produces 2(18)g of H20

1g CH4 produces \(\frac{36}{16}\)g of H2O

48g CH4 produces \(\frac{36}{16}\)×48

                                108g of H20

Answer:

D. 108g of water

Explanation:

Answer: 500

Explanation: there's 0.001L in every mL. Divide the mL

by 1000 or multiply the liter by 1000.

We have established that the reaction among Pb(NO3)2 aquatic and MgSO4 aqueous in answer option (A) is the only scenario which is something a deposit is likely to develop.

Copper sulfate is a medication used to treat and prevent seizures and low blood magnesium levels in eclamptic women. Additionally, it is used to treat barium poisoning, acute asthma exacerbations, torsades de pointes, and constipation.

The most popular medication for treating eclampsia and preventing it in people with severe which was before is magnesium sulfate (MgSO4). Generally, it is administered intravenously and otherwise intramuscularly.

To know more about MgSO4 visit:

https://brainly.com/question/8691104
#SPJ4

The property of acids which would cause acid rain to damage buildings over time is:

Acids react with limestone.

The correct answer choice is option c.

This simply means that acids has this property which corrodes the surface they come in contact with especially stones.

However, this can be done by coating the surface of metals, or carbonate by coating it with other metals. By so doing, this can prevent acid rain damage to it.

That being said, by default, concentrated acids are highly corrosive.

Coating surfaces of metals can prevent acid rain damage to it

This refers to a substance which when dissolved in water, it produces hydrogen ion as the only positive ion in the solution.

So therefore, the property of acids which would cause acid rain to damage buildings over time is acids react with limestone.

Learn more about acid:

https://brainly.com/question/8676275

#SPJ1

It would require approximately 19,008 joules of energy to heat a frozen can of juice (360 grams) from -5 °C to 110 °C.

We need to use the specific heat capacity formula:

Q = mcΔT

Where

First, we need to convert the mass of the can of juice from grams to kilograms:

m = 360 g = 0.360 kg

Next, we need to find the specific heat capacity of the juice. The specific heat capacity varies depending on the type of juice, but for the purposes of this calculation, we can assume a value of around 4200 J/kg°C, which is the specific heat capacity of water.

c = 4200 J/kg°C

Finally, we can calculate the energy required to heat the can of juice:

Q = mcΔT

Q = (0.360 kg)(4200 J/kg°C)(110°C - (-5°C))

Q = (0.360 kg)(4200 J/kg°C)(115°C)

Q = 19,008 J

Therefore, it would require approximately 19,008 joules of energy to heat a frozen can of juice (360 grams) from -5 °C to 110 °C.

Learn more about heat capacity here : brainly.com/question/21406849

#SPJ1

The addition of 20 ml of water to a solution of ethanoic acid with a pH of 3 will cause the concentration of H+ ions to decrease, leading to a decrease in the amount of H+ ions present in the solution.

The pH scale is a measure of the concentration of H+ ions in a solution. A pH of 3 indicates a relatively high concentration of H+ ions. When water is added to the solution, it will dilute the ethanoic acid and increase the total volume of the solution. However, since water is neutral and does not contribute H+ ions, the concentration of H+ ions will decrease as the overall volume increases. This results in a decrease in the amount of H+ ions present in the solution. Therefore, the correct answer is d. The concentration of H+ ions will decrease.

Learn more about pH scale here:

brainly.com/question/1431406

#SPJ11

An electric motor works by converting electrical energy to mechanical energy in order to create motion.

For example,Force is generated within the motor through the interaction between a magnetic field and winding alternating (AC) or direct (DC) current.

This works because…

Answer : When an electric current flows through the wire in the electromagnet, a magnetic field is produced in the coil.

\(\:\mathsf{Hope\:this\:helps\:you!}\)

Answer:

when an electric current flows through the wire in the electromagnet , a magnetic field is produced in the coil .

Explanation:

C. If  blood pressure decreases, filtration in the kidneys decreases.

D. If more blood returns to the heart, the ventricles contract more forcefully to pump it out, and this raises blood pressure.

The maintenance of blood pressure is defined as the high use of sodium in your diet and the low use of potassium in your diet can cause hypertension. It is also important to use those foods which are free from fats. It is also important that we should use fruits, vegetables, and grains in excessive amounts for the maintenance of blood pressure and for a healthy diet.

High blood pressure 190/110 mm Hg can cause the main vital organs of the body like the brain, heart, and kidney too. There are three factors that contribute to blood pressure which are resistance, blood viscosity, and blood vessel diameter.

So we can conclude that blood pressure is the pressure of circulating blood against the walls of the blood vessels.

Learn more about Blood Pressure here: https://brainly.com/question/25149738

#SPJ1

Which of the following statements are true of the maintenance

of blood pressure (BP)? (Read carefully and select all of the correct statements.)

A. Norepinephrine stimulates vasoconstriction in skin, viscera, and skeletal muscles, all of which lower BP.

B. Aldosterone stimulates the reabsorption of Na+ ions by the kidneys, which lowers BP.

C. If BP decreases, filtration in the kidneys decreases.

D. If more blood returns to the heart, the ventricles contract more forcefully to pump it out, and this raises BP.

E. If BP decreases, the kidneys secrete the enzyme renin, which stimulates the secretion of epinephrine to prevent a further decrease.

F. The hormone ANP increases the excretion of K+ ions by the kidneys, which helps conserve water and raise BP.

G. The hormone ADH helps the kidneys conserve water and helps prevent a decrease in BP.

H. The elasticity of the large arteries helps decrease diastolic BP.

Magnesium chloride crystals can be formed by reacting an insoluble base with an acid. The reaction can be represented by the following equation:

In this reaction, magnesium hydroxide (Mg(OH)₂) is the insoluble base and hydrochloric acid (HCl) is the acid. When these two substances react, they produce magnesium chloride (MgCl₂) and water (H₂O).

The magnesium chloride formed in this reaction is in the form of crystals. The crystals form because the reaction produces an excess of ions, which then attract to each other and form a lattice-like structure. This is known as crystallization. The magnesium chloride crystals are colorless and have a salty taste.

Learn more about Magnesium chloride at: https://brainly.com/question/28193925

#SPJ11

Answer:

2 electrons

Explanation:

every s sublevel can only be occupied by 2 electrons so a filled 6s sublevel would have 2 electrons

Answer:

3F2+P2_>2PF3now f is 6 on both sides and your p is also 2 on both sides

LiCl (lithium chloride) is an ionic compound and would not be expected to interact strongly with NH3 through intermolecular forces, The correct answer is A. CH4.

NH3 (ammonia) can experience several intermolecular forces, including dispersion forces, dipole-dipole forces, and hydrogen bonding. However, the strength of these forces depends on the nature of the other molecules present in the system.

Of the compounds given, only CH4 (methane) is nonpolar, meaning it only experiences dispersion forces with other nonpolar molecules. NH3 can also experience dipole-dipole forces with polar molecules, such as CH3Br (methyl bromide) and CH3OH (methanol), and hydrogen bonding with compounds that have a hydrogen atom bonded to a highly electronegative atom, such as HOF (hypofluorous acid) and water.

LiCl (lithium chloride) is an ionic compound and would not be expected to interact strongly with NH3 through intermolecular forces. Therefore, option B is not the correct answer.

Learn more about dipole-dipole forces here https://brainly.com/question/14195217

#SPJ4

Answer:

chemical composition

Answer:

I see "photosynthesis" and "cellular respiration". I wonder if photosynthesis has something to do with the sun.

Explanation:

Answer:

0.742M is the concentration of ClO₃⁻

Explanation:

The AgClO₃ contains 1 mole of ClO₃⁻ per mole of compound, but Mn(ClO₃)₂ contains 2 moles of ClO₃⁻ per mole of compound.

The moles of AgClO₃ are:

0.967L * (0.367moles / L) = 0.355 moles AgClO₃ = 0.355 moles of ClO₃⁻

And of Mn(ClO₃)₂:

0.667L * (0.643moles / L) = 0.429 moles Mn(ClO₃) * 2 = 0.858 moles of ClO₃⁻

That means total moles of ClO₃⁻ are:

0.355 moles + 0.858 moles = 1.213 moles ClO₃⁻ that are in 0.967L + 0.667L = 1.634L.

The concentration is:

1.213 moles ClO₃⁻ / 1.634L =

Answer:

Its the thin lining around the cell the moniters what gets in and out of the cell.

Explanation: