Chemistry, 05.10.2019 00:10 dalilahrodriguez
What two terms are used to describe the enthalpy changes for the reactions?
Answers: 1
Chemistry, 20.06.2019 18:04
Can anyone (a-level) a student was analysing a carbonate compound, mco3, containing an unknown group 2 metal, m. the student carried out thermal decomposition on 0.730g of the carbonate and measured the volume of gas produced. mco3 (s) mo (s) + co2 (g) the student collected and measured 120cm3 of carbon dioxide. 1 mol of carbon dioxide occupies 24 000 cm3 under these conditions. calculate the molar mass of the group 2 carbonate and hence deduce the identity of the group 2 metal, m.
Answers: 3
Chemistry, 23.06.2019 09:00
Avogradoa number was calculated by determining the number of atoms in?
Answers: 1
What two terms are used to describe the enthalpy changes for the reactions?...
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