Chemistry, 25.10.2020 14:00 elnkun98owvaa6
Write the formulae for the following and calculate the molecular mass for each one of them,
a) Baking powder
b) Quick lime
c) Common salt
(Given atomic masses: Sodium= 23u, Chlorine= 35.5u, Carbon= 12u, Oxygen = 16u,
Calcium= 40u)
Answers: 3
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1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
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Write the formulae for the following and calculate the molecular mass for each one of them,
a) Baki...
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