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lakkis [162]
3 years ago
6

When rocks return to the Earth's mantle, they can eventually melt and become magma. _______ and _______ are the main factors tha

t control this change.
Chemistry
2 answers:
max2010maxim [7]3 years ago
7 0

the answer is (A) Pressure and Heat

gogolik [260]3 years ago
6 0
When rocks returns to the Earth's mantle, they can eventually melt and become magma. Heat and Pressure are the main factors that controls this change
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Which of the following best explain why argon, which is a noble gas, does not react with other elements. Noble gases ________. A
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Answer:

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2 years ago
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3 years ago
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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

7 0
3 years ago
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