How many moles of copper are in 6,000,000 atoms of copper?

Answers

Answer 1

Answer:

Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 9.96×10⁻¹⁸moles of copper are in 6,000,000 atoms of copper.

What is mole?

The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity of amount of substance. The stoichiometry in the balanced chemical equation represents the number of moles of respective element.

we know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number

mole =given number of atoms ÷ 6.022×10²³(Avogadro number)

given number of atoms of copper =6×10⁶atoms

Substituting the values

mole of copper=6×10⁶÷ 6.022×10²³

moles of copper = 9.96×10⁻¹⁸moles

Therefore, 9.96×10⁻¹⁸moles of copper are in 6,000,000 atoms of copper.

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Answer 2

Answer: you only have one numberso taking the number of atoms given to you 6millionis there a conversion factor that relates the number of atoms ......to 1 mole?

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Suppose the liquid water in ice cream did not have solutes dissolved in it. What effect do you think this would have on ice cream? (hint: Consider the temperature at which ice cream is kept.)

Answers

The water with no solutes result in increasing the freezing point of the ice cream.

The ice cream has been the frozen constituents of the water. It has been kept in the water at the lower temperature.

The water for keeping the ice cream has been constituted of no solute. The absence of solute in the water has been responsible for the higher freezing point of the solution.

Effect of solute on Freezing point

The ice cream has been kept at the freezing temperature. The water has no solute dissolved.

Thus, the freezing temperature of water has been higher than the freezing temperature of water with solutes.

Thus, the water with no solutes result in increasing the freezing point of the ice cream.

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The water would freeze at a higher temperature than it would with the other ingredients.

Why can physical changes separate the components of a mixture but not the components of a compound

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Why can physical changes separate the components of a mixture but not the components of a compound?

Several types of mixtures can be separated by physical means. Heterogeneous mixtures imply the different parts are not equally distributed, much like how on a pizza the toppings are not located in the crust. A homogeneous mixture is one where the components are equally mixed, such as orange juice or lemonade (excluding the pulp).

A common heterogeneous example is to separate oil from water by placing the mixture into a separation funnel and draining one level of liquid out. You then have the two separate components. Basically, if you can see the different layers in a mixture, you can physically remove them by either picking out the solids (either with your hands or running the mixture through filter paper) or for liquids using the funnel.

What are two ways in which the suns energy can be captured and used? How can both be used in a home?

Answers

The following exist:

Artificial photosynthesis: Plants can photosynthesize, but we can do it artificially to power anything requiring energy.

Solar thermal energy or STE is a process where the light is reflected from a mirror or lense to heat up anything.

Photovoltaics or Heat collectors (Solar panels): they absorb the sun's electromagnetic energy and converts it into electricity.

All of these technologies are very similar to each other... this was a good question

Photosynthesis is a great example: plants use the sun's energy to grow and reproduce. Solar energy-power from the sun is a vast and inexhaustible resource that people have recently discovered and it's used for light and heat.

Products and reactants are used and created at the same rate when a reaction is at this stage A. Le Chateliers principle B. Catalyst C. Balanced Equation D. Chemical equilibrium

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Answer:

A. Le Chatelier's principle

Owners of cattle herds who only choose to breed cows that produce the most milk are engaging in_________ selection

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Owners of cattle herds who only choose to breed cows that produce the most milk are engaging in ___________ →natural selection.

Which of the following elements would be the most reactive? a. iodine
b. silicon
c. silver
d. argon

Answers

The most reactive element among the options is iodine. The Option A.

Why is iodine the most reactive?

Iodine is the most reactive element in this list because it belongs to the halogen group of elements in the periodic table, which is known for its high reactivity.

Halogens readily form compounds by gaining electrons to achieve a full outer electron shell. Iodine, with its seven valence electrons has a strong tendency to gain one more electron to achieve stability.

This makes it highly reactive especially when it comes into contact with elements that readily lose electrons such as metals.