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Physics, 21.06.2019 18:20
What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black
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Physics, 22.06.2019 00:10
The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0°c to 8.0°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?
Answers: 3
The 75.0 kg hero of a movie is pulled upward with a constant acceleration of 2.00 m/s2 by a rope. Wh...
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