CHEMISTRY HIGH SCHOOL

Copper is an example of a(n)a. gemstone.
b. consumption resource.
c. renewable resource.
d. nonrenewable resource

Answers

Answer 1
Answer:

copper is not a stone, copper is not a consumption resource, and copper is not renewable, that means that :

d. nonrenewable resource

Explanation:

A nonrenewable source is a source of economic value that cannot be immediately displaced by natural means on a level equal to its destruction. Most fossil fuels, such as oil, natural gas, and coal are estimated nonrenewable resources in that their use is not sustainable because their production takes billions of years.
Answer 2
Answer:

Copper is an example of a(n) (D), nonrenewable resource which are resources that can be replenished naturally.

What is copper used for?

Copper is a nonrenewable resource because it cannot be created or replaced once it is used up. Copper is a metal that is used in a variety of products, including electrical wiring, plumbing, and jewelry.

Gemstones are naturally occurring minerals that are prized for their beauty and rarity. They are considered to be a type of nonrenewable resource, although they can be recycled.

Consumption resources are resources that are used up quickly and need to be replaced frequently. Renewable resources are resources that can be replenished naturally.

So the answer is d. nonrenewable resource.

Find out more on Copper here: brainly.com/question/24540382

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If air is cooled to the point at which its water vapor condenses, it has reached itsa. dew point.
b. triple point.
c. lambda point.
d. freezing point.

Answers

a. dew point, i surlly :)

What is first ionization energy

Answers

Hope this helps...Definition. The first ionisation energy is the energyrequired to remove the most loosely held electron from one mole of gaseous atoms to produce 1 mole of gaseous ions each with a charge of 1+.

Limestone is primarily a crystal form of caco 3 ​ . How many moles of oxygen are in a 1.25 mol sample of caco 3 ​ ? Only include the numerical value in your answer. Do not include units.

Answers

There are 3.75 moles of oxygen in a 1.25 mol sample of CaCO₃.

Limestone is primarily a crystal form of CaCO₃ (calcium carbonate). According to its chemical formula, the molar ratio of CaCO₃ to O is 1:3. The moles of oxygen in 1.25 moles of CaCO₃ are:

1.25 mol CaCO_3 * (3molO)/(1molCaCO_3) = 3.75molO

There are 3.75 moles of oxygen in a 1.25 mol sample of CaCO₃.

You can learn more about molar ratios here: brainly.com/question/9408497

As the molecular formula of CaCO₃ suggested, that there are 3 moles of oxygen are there in 1 mole of CaCO₃.

So in 1.25 mol of CaCO₃ contains=1.25 ×3 moles of oxygen  

                                                    =3.75  moles of oxygen

So there are 3.75  moles of oxygen are there in 1.25 mol of CaCO₃.

Jordan wonders why there is dew on the grass in the morning. He asks a few friends to see what they think. His friend Tasha says that there is dew on the grass because it always rains at night. Did Jordan find a scientific answer?

Answers

No because dew is water droplets that come from condensation rather than from rain coming at night
Jordan did not find a scientific answer if a warm clear day is followed by a cool clear evening Dew will likely form

How is the number of valence electrons related to the ionization energy of an element?A) low ionization energy correlates to elements with fewer valence electrons
B) elements with higher ionization energy tend to have less valence electrons
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Answers

The number of valence electrons is related to the ionization energy of an element such that when there is few valence electrons, the ionization energy of an element is lower. The trend on the periodic table follows that the ionization energy fairly increases as the number of valence electron increases. Therefore the correct answer is letter "A."

An aqueous solution of lithium hydroxide contains hydroxide ions as the only negative ion in the solution. Lithium hydroxide is classified as an

Answers

An Arrhenius acid refers to a component, which dissociates in water to produce hydrogen ions, or it can also be stated as that the acid enhances the concentration of hydrogen ions in an aqueous solution. On the other hand, an Arrhenius base refers to a component, which gets dissociate in water to produce hydroxide ions, or it can be said that a base enhances the concentration of hydroxide ions in an aqueous solution.  

Therefore, an aqueous solution of lithium hydroxide comprising hydroxide ions as the sole negative ion in the solution is classified as an Arrhenius base.

Answer is an Arrhenius Base.
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