A chemist weighs a steel cylinder of compressed oxygen, O2,
and finds that it has a mass of 1027.8 g. After some of the
oxygen is used in an experiment, the cylinder has a mass of
1023.2 g. How many moles of oxygen gas are used in the
experiment?
When answering this question include the following:
.
Explain how you found the mass of oxygen gas.
Explain how to find the molar mass of the compound.
Explain how many significant figures your answer needs to have.
The numerical answer
.
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 14:40
Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products
Answers: 2
Chemistry, 22.06.2019 22:30
Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?
Answers: 1
Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Chemistry, 23.06.2019 03:00
Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?
Answers: 1
You know the right answer?
A chemist weighs a steel cylinder of compressed oxygen, O2,
and finds that it has a mass of 1027.8...
Questions
Mathematics, 10.11.2020 01:50
Mathematics, 10.11.2020 01:50
Mathematics, 10.11.2020 01:50
Social Studies, 10.11.2020 01:50
English, 10.11.2020 01:50
English, 10.11.2020 01:50
English, 10.11.2020 01:50
Computers and Technology, 10.11.2020 01:50
Mathematics, 10.11.2020 01:50
Social Studies, 10.11.2020 01:50
Health, 10.11.2020 01:50
History, 10.11.2020 01:50
Business, 10.11.2020 01:50
