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Luba_88 [7]
2 years ago
7

A substance formed when two or more elements combine and lose their distinct properties is

Chemistry
1 answer:
hram777 [196]2 years ago
7 0
Is a compound that went through a chemicAl change
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The chemical formula of ordinary sugar is C12H22O11. Calculate the mass of 7.35 mol of sugar.
ch4aika [34]

First, you need to find the mass of 1 mol of sugar. Mass, or molar mass, can simply be found by adding the masses of the individual elements. These are given to you on the periodic table.

C_{12}H_{22}O_{11}

12 x 12.011 grams (molar mass of Carbon) = 144.132 g

22 x 1.008 grams (molar mass of Hydrogen) = 22.176 g

11 x 15.999 grams (molar mass of Oxygen) = 175.989 g

Add all of the pieces together.

144.132 g + 22.176 g + 175.989 g = 342.297 grams

So, if one mole has 342.297 grams, then 7.35 of that amount will be your answer.

342.297 g/mol x 7.35 mol =  2,515.88 grams

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3 years ago
The only nonmetal in Group 14 is<br> A carbon.<br> B. oxygen.<br> C. nitrogen.<br> D. fluorine.
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Answer:

carbon

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i just googled it

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A scientific theory is a well tested explanation of a natural phenomenon.
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15. List the substances A-E in order from most dense to least dense based on the facts provided.
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So 1st it is B then D then E then a then C

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