Physics, 15.06.2020 01:57 hooplikeapro
1.00 kg of copper and 1.00 kg of nickel are both heated continuously at the same
rate. Determine which metal will completely melt first. Use a value of 205 kJ/kg for
the specific latent heat of fusion of copper and use a value of 297 kJ/kg for the
specific latent heat of fusion of nickel.
Answers: 1
Physics, 22.06.2019 08:00
While studying chemical reactions and conservation of matter, sarah's class conducted a variety of experiments. sarah and her lab partner found the mass of a wax candle and placed the candle in a flask. the students lit the candle and let it burn to completion. all that was left was wax and charred candle wick. per their teacher's instructions, the students found the mass of the products. their data can be seen in the data table. formulate a hypothesis the students could test to explain why the experiment did not support the law of conservation of matter. a) the students could repeat the experiment using different candles; there might have been a flaw in the candle. b) the experiment should be repeatable. the students should run several trials and then take an average of the after mass in each trial. c) the students should have someone in the class check their measurement skills as they repeat the experiment. they may have made an error using the balance. d) the students should burn the candle in a container that has some type of lid so that any gas that is a product of the reaction can be contained and massed. submit
Answers: 2
Physics, 22.06.2019 09:00
Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
Answers: 1
1.00 kg of copper and 1.00 kg of nickel are both heated continuously at the same
rate. Determine wh...
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