Physics, 19.07.2019 05:30 queenkimm26
What is the energy of a photon whose frequency is 6.0x10^20 hz?
Answers: 2
Physics, 22.06.2019 00:30
Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.
Answers: 1
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
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
Answers: 1
Physics, 22.06.2019 16:00
The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.
Answers: 2
What is the energy of a photon whose frequency is 6.0x10^20 hz?...
English, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
Biology, 16.10.2020 15:01
Biology, 16.10.2020 15:01
English, 16.10.2020 15:01
Social Studies, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
Social Studies, 16.10.2020 15:01