Answer:
B) 88.6%
Explanation:
Percent yield equals actual yield divided by theoretical yield
actual yield is 31.0g
theoretical yield is 35g
percent yield was 88.57 which rounds up to 88.6%
18.22 g of hydrogen chloride produced when 5.6 L of molecular hydrogen measured at STP react with an excess of molecular chlorine gas.
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b. the hydronium ion
c. sodium hydroxide
d. hydrogen peroxide
After a radioactive atom decays, it is the same element that it was before with no measurable change in mass. the decay that is present is gamma decay because gamma decay has photons which has no mass unlike alpha and beta decay.
Answer:
D
Explanation:
on edge 2020
b.As reactants form products, the potential energy increases.
c.Thermal energy is transferred from the product to the reacting substances.
d.Thermal energy is transferred from the surroundings to the reacting substances.
Answer:
As reactants form products, the potential energy decreases.
Explanation:
Edge