Chemistry, 21.01.2020 02:31 starfox5454
When an iron nail rusts it seems to get heavier in mass. does the iron nail follow the law of conservation of mass?
a. no rusting is an exception to the law of conservation of mass.
b. no since rusting is a chemical change it does not follow the law of conservation of mass.
c. yes, iron chemicals before the reactions, the mass after the reactions is the same.
Answers: 1
Chemistry, 22.06.2019 02:00
How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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Chemistry, 22.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
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Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
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Chemistry, 22.06.2019 16:50
Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest
Answers: 1
When an iron nail rusts it seems to get heavier in mass. does the iron nail follow the law of conser...
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