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Four identical 1.0-L flasks contain the gases He,Cl2,CH4,and NH3,each at 0°C and 1 atm pressure.
-For which gas are the collisions elastic?
Q26: Given reaction 2NH<sub>3</sub>(g)+ 3Cl<sub>2</sub>(g) <span class="ql-formula"
Q36: A substance contains 23.0 g sodium,27.0 g
Q41: The complete electron configuration of tin is<br>A)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>10</sup>4p<sup>6</sup>5s<sup>2</sup>4d<sup>10</sup>5d<sup>10</sup>5p<sup>2</sup><br>B)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>10</sup>4d<sup>10</sup>4p<sup>2</sup><br>C)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>4p<sup>6</sup>5s<sup>2</sup>4d<sup>10</sup>5d<sup>10</sup>5p<sup>2</sup><br>D)1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>10</sup>4p<sup>6</sup>5s<sup>2</sup>4d<sup>10</sup>5p<sup>2</sup><br>E)none
Q70: At the same temperature,lighter molecules have a
Q98: Which contains the largest number of molecules?<br>A)Flask
Q102: How many nonbonding electrons appear in the
Q111: Which of the following salts is insoluble
Q124: Which of the following pollutant gases is
Q140: Which structure represents an optically active aldehyde?<br>A)
Q143: How many isomers are there of "dichloroethene"?<br>A)2<br>B)3<br>C)4<br>D)5<br>E)6