Chemistry, 29.05.2020 00:02 thibeauxkristy
A balloon is inflated with helium to a volume of 4.6L at 23.0 oC. If you leave it in a hot car, what volume will it be at 115 oF?
(a) 4.3 L
(b) 5.0 L
(c) 9.2 L
(d) 2.3 L
Answers: 1
Chemistry, 23.06.2019 00:00
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
Answers: 1
Chemistry, 23.06.2019 02:00
Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?
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Chemistry, 23.06.2019 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 4.20 mol fe and 6.70 mol nio(oh) react?
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Chemistry, 23.06.2019 07:00
Ajar contains a certain substance. which observation would show that the substance must be either a solid or a liquid?
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A balloon is inflated with helium to a volume of 4.6L at 23.0 oC. If you leave it in a hot car, what...
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