Chemistry, 28.04.2021 20:40, pinkycupcakes3oxbqhx
Find How many joules of heat energy are needed to raise the temperature of 10grams of Aluminum from 20*C to 40*C. If the specific heat of Aluminum is 0.90 J/g*C.
Q = McvT.. Hintthe change in temperature before you solve!
Q = (10).(0.90).(40*C-20*C)
Answers: 3
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What are the similarities of physical and chemical change ?
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The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
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