Physics, 18.11.2020 21:20 rishiganesh
HELP FAST CORRECT ANSWERS ONLY
What happens to a white dwarf with a mass equal to 1.4 solar masses?
A.
It collapses to form a neutron star.
B.
It collapses to form a black hole.
C.
It remains stable as a white dwarf.
D.
It explodes as a supernova.
Answers: 2
Physics, 21.06.2019 19:00
Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .
Answers: 3
Physics, 21.06.2019 23:20
Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity
Answers: 2
Physics, 22.06.2019 07:10
1. how much energy is needed to raise the temperature of 40.0 g of argon from 25c to 40c? the specific heat capacity of argon is 0.520 j/(g·k) 2a. 23.0 ml of 0.100 m hcl (standard) are added from a buret to neutralize 50.0 ml of an unknown basic solution. 2b. if the oh- produced in the previous reaction came from ca(oh)2, then what is the molarity of the ca(oh)2? 3.calculate the new freezing-point of a solution when 60.5 grams of cacl2 solute is dissolved in 0.612 kg of water. 4. what is the maximum number of moles of alcl3 that can be produced from 5.0 mol al and 6.0 mol cl2? 5. a sample of oxygen gas has a volume of 150 ml when its pressure is 0.923 atm. if the pressure is increased to 0.987 atm and the temperature remains constant, what will the new volume be? 6. nitrogen gas in a closed container at a temperature of 100.0 oc and 3.0 atm is heated to 300 oc. what is the pressure of the gas at the higher temperature?
Answers: 3
Physics, 22.06.2019 12:00
Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
Answers: 1
HELP FAST CORRECT ANSWERS ONLY
What happens to a white dwarf with a mass equal to 1.4 solar masses?...
History, 31.08.2019 19:10
Mathematics, 31.08.2019 19:10
Mathematics, 31.08.2019 19:10
History, 31.08.2019 19:10
Biology, 31.08.2019 19:10
Geography, 31.08.2019 19:10
Social Studies, 31.08.2019 19:10
Chemistry, 31.08.2019 19:10