Chemistry, 15.07.2019 15:00 lovebunfan
Nacl has a hfus = 30.2 kj/mol. what is the mass of a sample of nacl that needs 732.6 kj of heat to melt completely? 24.3 g 82.7 g 1,407.1 g 1,417.7 g
Answers: 1
Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest
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Chemistry, 23.06.2019 07:30
Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton βββββ βββββ rosalind franklin marie curie βββββ βββββ gertrude b. elion ada yonath βββββ βββββ henry cavendish robert boyle βββββ βββββ antoine lavoisier mario j. molina βββββ βββββ svante arrhenius
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Chemistry, 23.06.2019 08:50
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
Chemistry, 23.06.2019 10:00
Why sncl2 is solid while sncl4 is liquid at room temprature explain it in easy way
Answers: 1
Nacl has a hfus = 30.2 kj/mol. what is the mass of a sample of nacl that needs 732.6 kj of heat to m...
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