Physics, 10.11.2020 21:20 culturedxnat
Which of the following best describes the relationship between oxygen and chlorine? A Oxygen and chlorine have the same symbols. B Oxygen atoms have fewer protons than chlorine atoms. C Oxygen and chlorine have the same properties. D Oxygen atoms have twice as many protons as chlorine atoms.
Answers: 1
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What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided
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Asystem containing an ideal gas at a constant pressure of 1.22Γ10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
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Physics, 23.06.2019 03:00
Suppose that a cylindrical tank 6 meters high with a radius of 2 meters is filled to the rim with water. the tank is buried so that the top of the tank is 1 meter below ground level. the space above the tank is not filled with water. calculate how much work needs to be done by a pump to pump the water out of the tank up to ground level. (the water weighs 9,800 newtons per cubic meter.)
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Physics, 23.06.2019 14:00
Multiply 5.036Γ102m by 0.078Γ10β1, taking into account significant figures.
Answers: 1
Which of the following best describes the relationship between oxygen and chlorine? A Oxygen and chl...
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