Chemistry, 12.01.2021 07:40 shookie1993
CA A given sample of gas has a volume of 4.20 L at 60.°C and 1.00 atm pressure. Calculate its pressure if the volume is changed to 5.00 L and the temperature to 27°C (assume the amount of gas does not change). P2 = 0.76ATM H2
Answers: 1
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 20:00
What happens to the temperature of a substance when the average kinetic energy of its particles increases?
Answers: 3
Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
Answers: 1
CA A given sample of gas has a volume of 4.20 L at 60.°C and 1.00 atm pressure. Calculate its pressu...
Biology, 23.11.2020 22:00
Mathematics, 23.11.2020 22:00
Mathematics, 23.11.2020 22:00
Chemistry, 23.11.2020 22:00
Biology, 23.11.2020 22:00
Biology, 23.11.2020 22:00
Computers and Technology, 23.11.2020 22:00