Chemistry, 25.02.2021 01:00 carebear147
A ballon is filled with 37.0 L of helium in the morning when the temperature is 280K degrees Celsius. By noon the temperature has risen to 295K what is the new volume of the balloon?
Answers: 3
Chemistry, 22.06.2019 09:30
1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle
Answers: 1
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 15:30
What best discribes the relationship between wavelength and frequency in a electromagnetic wave
Answers: 1
A ballon is filled with 37.0 L of helium in the morning when the temperature is 280K degrees Celsius...
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