Chemistry, 11.12.2020 01:20 pookie1971
2. The temperature of a sample of water changes from 30 to 35 degrees Celsius when
the sample absorbs 500J of heat. What is the mass of the sample?
The mass of the sample is
Answers: 1
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Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
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Explain what happens at the saturation point when adding salt to water at room temperature.
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Chemistry, 22.06.2019 21:00, lucyamine0
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
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2. The temperature of a sample of water changes from 30 to 35 degrees Celsius when
the sample absor...
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