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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.
Answers: 3
Physics, 22.06.2019 17:00
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 3
Physics, 22.06.2019 17:50
Convection occurs when thermal energy is transferred by the movement of
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Physics, 23.06.2019 21:30
Rays of sunlight traveling in the x-y plane reflect off of a glass window which lies in the x-z plane. the sunlight has an incident angle of 30° the reflected light may be partially polarized along which axis?
Answers: 2
4. What would be the mass of #3 in kilograms?...
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