Chemistry, 21.01.2021 14:10 reetajmahfouz3816
- A 300g sample of CaCO3 was heated until 10 L of CO2 was collected
at 50°C and 742 torr. What percentage of the CaCO, had
decomposed? (Atomic weights (g/mol): C=12, 0=16, Ca=40)
A. 6.84%
B. 9.10%
C. 12.3%
D. 15.8%
Answers: 1
Chemistry, 21.06.2019 22:50
Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law
Answers: 1
Chemistry, 22.06.2019 02:30
List four observations that indicate that a chemical reaction may be taking place
Answers: 1
Chemistry, 22.06.2019 07:30
Compare and contrast the bohr model and the electron cloud models of the atom.
Answers: 1
- A 300g sample of CaCO3 was heated until 10 L of CO2 was collected
at 50°C and 742 torr. What perc...
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