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Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
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Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
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Physics, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
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Physics, 22.06.2019 16:30
He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is
Answers: 2
C. (t6.9] what is the density of a proton?...
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