Chemistry, 23.03.2021 14:50 danielburke24
A particular sample of air is composed of 77 moles of nitrogen, 20 moles of oxygen, 1 mole of argon, and 200g of carbon dioxide. What is the mole fraction of CO2?
Answers: 2
Chemistry, 21.06.2019 14:30
Find the mass in grams of hydrogen gas produced when 14.0 moles of hcl is added to an excess amount of magnesium.
Answers: 3
Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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Chemistry, 22.06.2019 10:00
Why is the structure of molecule important to its function?
Answers: 1
Chemistry, 23.06.2019 06:30
What type of chemical reaction occurs between silver nitrate (agno3) and copper (cu)? the equation i was given is 2agno3 + cu —> 2ag+ cu(no3)2.
Answers: 1
A particular sample of air is composed of 77 moles of nitrogen, 20 moles of oxygen, 1 mole of argon,...
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