Chemistry, 21.04.2020 20:19 ej02duncan1
How much energy is equivalent to 1.0 X 10^-4 kg of matter? (Speed of light= 3.0 X 10^8 m/s)
Answers: 1
Chemistry, 21.06.2019 17:00
Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects
Answers: 2
Chemistry, 23.06.2019 00:30
What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c
Answers: 1
How much energy is equivalent to 1.0 X 10^-4 kg of matter? (Speed of light= 3.0 X 10^8 m/s)...
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