4 years ago

Which of the following groups of carbon compounds includes enzymes? lipids proteins carbohydrates nucleic acids

Chemistry

1 answer:

lyudmila [28]4 years ago

4 0

D.) Nucleic acids includes enzymes

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How much heat is required to vaporize 50.0 g of acetone (C3H6O) at 25 ∘C? The heat of vaporization for acetone at this temperatu

Tomtit [17]

Answer:

26.7 kJ/mol

Explanation:

Heat required = Heat of vaporization * moles

We're given the Heat of vaporization, so now we need to find the moles of acetone, to do that we'll use the given mass:

Molar mass of acetone (C₃H₆O) = 12*3 + 6*1 + 16 = 58 g/mol

50.0 g acetone ÷ 58 g/mol = 0.862 mol acetone

Now we calculate the heat required:

Heat required = 31.0 kJ/mol * 0.862 mol

Heat required = 26.7 kJ/mol

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4 years ago

What is the valency of CH3COO

WINSTONCH [101]

Answer:

thats too hard sorry

Explanation:

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3 years ago

This is a picture of a common mineral, nickel. Imagine that you found this mineral, which is also a metal, but you did not know

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B) density

Explanation:

The density of nickel would be the best physical property of the mineral to identify it with no matter how big a piece that is found.

Density is an intensive property of any substance that is unique to them. It is not a function of the amount of matter unlike extensive properties that varies with the amount of substance that is present.

Density is the amount of substance that is present in a unit volume of it:

Density = $\frac{mass}{volume}$

All samples of nickel no matter their size have the same density which is different from those of other metals.

learn more:

Density brainly.com/question/2690299

#learnwithBrainly

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The overall goal of technology is to do

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Make the world a better place

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according to the current model of the atom, the atoms are most stable when they have filled outer energy levels. How do the prop

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Noble gases are the most stable since they have a full outer energy shell, with 8 electrons.

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