Physics, 16.01.2022 09:40 halltristan657
For each scenario below, indicate whether a chemical reaction or a nuclear reaction is occurring.
a. When two compounds are combined heat is released.
b. A sample of galium-68 is reduced to one-half of its original amount in 68.3 minutes.
c. Radium-226 decays to radon-222.
d. A spark of energy is used to begin the combustion of methane gas.
e. Hydrogen nuclei are fused in the Sun to make helium atoms
Answers: 2
Physics, 22.06.2019 01:40
In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
Answers: 1
Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
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Physics, 22.06.2019 10:30
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
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For each scenario below, indicate whether a chemical reaction or a nuclear reaction is occurring....
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