<em>mC₃H₈: 44 g/mol</em>
<em>mCO₂: 44 g/mol</em>
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C₃H₈ + 5O₂ ----> 3CO₂ + 4H₂O
44g (44·3)g
44g C₃H₈ ------ 132g CO₂
15g C₃H₈ ------ X
X = (15×132)/44
<u>X = 45g CO₂
</u>
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:)
Divide by the molar mass of HCl which is 36.5g/mol grams cancels out and you are left with 1.99 mol.
Compound is a pure substance where atoms of two or more elements are chemically bonded togather
Answer: Water becomes gas at D-E.
Explanation:
In the flat line D-E water is absorbing energy to become gas, and when the water is completely gas, the temperature will increase again therefore the line will rise up.
