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vazorg [7]
2 years ago
8

When a hydrocarbon burns in air what component of air reacts?

Chemistry
1 answer:
andre [41]2 years ago
5 0

Answer:

oxygen level reduces

Explanation:

because oxygen supports burning

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Write a balanced net ionic equation for the following reaction. BaCI2(aq)+H2SO4(aq) -> BaSO4(s)+HCI (aq)
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Ba²⁺ + 2Cl⁻ + 2H⁺ + SO₄²⁻ = BaSO₄ (precipitate) + 2H⁺ + 2Cl⁻
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Calculate the number of grams contained in each of the following number of moles. Report your answer with the appropriate number
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<u>Answers:</u>

a. 131.85 grams

b. 134.69 grams

To calculate the number of grams in the number of moles given for each compound, consider the formula:

<em>Moles = No. of grams / molar mass</em>

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<em>No. of grams = moles x molar mass</em>

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b. 4.80 mol of C2H4 (ethylene)

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The  volume  of  0.160    m   Li2S  solution  required  to  completely  react  with  130 ml  of 0.160  CO(NO3)2  is calculated   as  below

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volume  of Lis  is  therefore =  moles of Lis/ molarity  of LiS

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Why do we crack molecules?
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We need to crack molecules in order for us to get the desired molecule. For example, in the extraction of crude oil, after entering the fractional distillation, it will give products base on their molecular structure. The products are gasoline, diesel fuel, jet fuel, wax, asbestos,kerosene.

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