Answers: 2
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
Answers: 1
Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Chemistry, 23.06.2019 00:30
•hydration •dissociation •dissolving which one goes to which
Answers: 1
Classify the elements as diatomic or monatomic. If necessary, refer to the periodic table to help yo...
Computers and Technology, 26.07.2019 21:00
English, 26.07.2019 21:00
Biology, 26.07.2019 21:00
Mathematics, 26.07.2019 21:00
Social Studies, 26.07.2019 21:00
Health, 26.07.2019 21:00
Biology, 26.07.2019 21:00
Mathematics, 26.07.2019 21:00
Mathematics, 26.07.2019 21:00