Physics, 05.05.2020 00:48, serenityparish
A calorimeter was filled with 200 g of water. The temperature of the water in the calorimeter dropped from 55.0 °Celsius to 22.6 °Celsius. The specific heat of water is 4.184 J/g°C. Calculate, q, the heat released by the reaction.
A) -2710 J
B) -27,112 J
C) 18,911 J
D) 1891 J
Answers: 2
Physics, 23.06.2019 09:30, Lalagrl
The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.
Answers: 2
Physics, 23.06.2019 13:00, jordanbyrd33
Electromagnetic force is present when electromagnetic fields a. become charged as they lose electrons. b. become stable as they come in contact with other forces. c. interact with charged particles. d. gain energy from other forces.
Answers: 2
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