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nlexa [21]
3 years ago
15

What is the application of chemistry​

Chemistry
1 answer:
vlabodo [156]3 years ago
3 0

Answer:

Chemistry plays an important and useful role towards the development and growth of a number of industries. This includes industries like glass, cement, paper, textile, leather, dye etc. We also see huge applications of chemistry in industries like paints, pigments, petroleum, sugar, plastics, Pharmaceuticals.

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CaC2 + 2H2O ⟶ C2H2 + Ca(OH)2<br><br> How many moles of water are needed to produce 56.8g C2H2?
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Amount of moles of water is 4.36 mol

Explanation: M(C2H2) = 2·12.01 + 2·1.008 = 26.036 g/mol

Amount of substance is n= m/M= 56.8 g / 26.036 g/mol= 2.18159 mol

Water is needed 2·2.18 mol = 4.36 mol

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How many cups are in 4 liters? 1 L=4.2cups
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<u>Answer:</u>

16.8 cups

<u>Explanation:</u>

We are given that there are 4.2 cups in in 1 liter of a liquid and we are to find out the number of cups that there will be in 4 liters.

To find this out, we will use the ratio method.

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\frac{1L}{4 L} =\frac{4.2 cups}{x}

x = 4 .2 \times 4

x = 1 6 . 8

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