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kiruha [24]
3 years ago
11

What is C2H8 ? please hurry (CH4=methane) (C2H2=acetylene)

Chemistry
2 answers:
swat323 years ago
8 0

Answer:

Carbon carbon | C2H8

Explanation:

happy to help

JulijaS [17]3 years ago
6 0

Answer:

Carbon carbon | C2H8 - PubChem.

Explanation:

Brainliest plz :)

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You carefully weigh out 16.00 g of CaCO3 powder and add it to 64.80 g of HCl solution. You notice bubbles as a reaction takes pl
bulgar [2K]

Answer: Mass of CO_2  produced in this reaction was 6.56 grams

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

CaCO_3(s)+2HCl(aq)\rightarrow H_2O(l)+CO_2(g)+CaCl_2(aq)

Mass or reactants =  Mass of CaCO_3+ mass of HCl = 16.00 + 64.80 = 80.80 g

Mass of products  = mass of aqueous solution + mass of CO_2 + = 74.24 + x g

Mass or reactants = Mass of products

80.80 g = 74.24 + x g

x = 6.56 g

Thus mass of CO_2  produced in this reaction was 6.56 grams

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3 years ago
Which of the following measurements is expressed to three significant figures?
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Which of the following measurements is expressed to three significant figures?
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Which of the following describes a solution of 1 gram of salt dissolved in 500 mL of water?
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