17 Isoctane of molecular formula(C2H18) is one
of the principal constituents of car fuel. 20g
...
Chemistry, 07.01.2021 17:30 shetherealbrat
17 Isoctane of molecular formula(C2H18) is one
of the principal constituents of car fuel. 20g
of isoctane is burned:
a) Write the equation for the complete
combustion of isoctane.
b) Calculate the number of moles of
oxygen consumed.
Answers: 2
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What’s the scientific notation for the number 6,840,000,000
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Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
Answers: 1
Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Chemistry, 22.06.2019 09:40
Consider this initial-rate data at a certain temperature for the reaction described by
Answers: 1
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