Physics, 22.11.2019 07:31 parkerduncan1230
4.21 kg of molten gold is at a temperature of 1100 degrees celsius. it cools to a solid and then
continues to cool down to a final temperature of 20.0 degrees celsius. how many joules of heat
were released by the gold during this cooling process? assume that the specific heat of gold is
constant at 126j/kg c when gold is a solid and a liquid.
Answers: 3
Another question on Physics
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
Physics, 22.06.2019 14:30
Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
Answers: 1
You know the right answer?
4.21 kg of molten gold is at a temperature of 1100 degrees celsius. it cools to a solid and then
Questions
History, 12.03.2021 22:50
Physics, 12.03.2021 22:50
Mathematics, 12.03.2021 22:50
Mathematics, 12.03.2021 22:50
Mathematics, 12.03.2021 22:50
Physics, 12.03.2021 22:50
History, 12.03.2021 22:50
Mathematics, 12.03.2021 22:50
Mathematics, 12.03.2021 22:50
Mathematics, 12.03.2021 22:50
