Physics, 07.10.2019 01:00 hdhshshs741
A. an endothermic reaction i taking place in a test tube. what would you expect to feel when you touch the outside of the test tube?
b. identify each of the following changes as either exothermic or endothermic.
- burning a candle
- lighting a gas stove
- using an instant cold pack
- running a car's engine
c. on the potential energy diagram below, label the reactants and products. does the diagram shown an endothermic reaction or an exothermic reaction? write one or two sentences explaining your answer.
Answers: 3
Physics, 22.06.2019 08:30, fernandoramirez086
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
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Physics, 22.06.2019 12:00, stephanieboyd
Explain why electric current cannot exist if a current doesn't have a voltage source.
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Physics, 22.06.2019 12:50, stephanie37766
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
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A. an endothermic reaction i taking place in a test tube. what would you expect to feel when you tou...
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