Chemistry, 11.02.2021 16:50 katiaciceron3912
15.A compound's empirical formula is CH3. If the molar mass is 30 g/mol, what is the molecular formula?
a. CH3
c. C2H6
b. CH4
d. C3H9
Answers: 2
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
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In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
Answers: 2
15.A compound's empirical formula is CH3. If the molar mass is 30 g/mol, what is the molecular formu...
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