Physics, 31.01.2020 03:58 kidre96521
Amuseum sets up a display of fluorescent minerals. which best describes how electromagnetic waves can be used to enhance the display?
infrared light shining on the minerals will cause them to give off visible light.
visible light shining on the minerals will cause them to give off infrared light.
ultraviolet light shining on the minerals will cause them to give off visible light.
visible light shining on the minerals will cause them to give off ultraviolet light.
Answers: 2
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Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.
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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?
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Physics, 22.06.2019 16:00
The amount of potential energy possessed by an elevated object is equal to what?
Answers: 1
Amuseum sets up a display of fluorescent minerals. which best describes how electromagnetic waves ca...
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