Chemistry, 05.03.2021 18:00 chanel2371
The particles in a table and the particles in the air all have the same movement energy at 25oC. Why is the table a solid and the air a gas?
The particles in the air have more movement energy and are traveling faster
The air has particles that repel each other and the table has particles that attract each other
The particles in the air have stronger forces holding them together
The particles in the table have stronger forces holding them together
Answers: 2
Chemistry, 22.06.2019 14:00
Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
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 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 22.06.2019 22:30
What is the value of the standard enthalpy of formation of an element in its most stable form?
Answers: 3
The particles in a table and the particles in the air all have the same movement energy at 25oC. Why...
Mathematics, 20.09.2019 05:40
Mathematics, 20.09.2019 05:40
Biology, 20.09.2019 05:40
Mathematics, 20.09.2019 05:40
English, 20.09.2019 05:40
Computers and Technology, 20.09.2019 05:40