若H<sub>2</sub>和He的温度相同,摩尔数相同,那么,这两种气体的() 
A、平均动能相等;
B、平均平动动能相等;
C、平均转动动能相等;
D、内能相等。
A、平均动能相等;
B、平均平动动能相等;
C、平均转动动能相等;
D、内能相等。
A、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> B、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub> C、△H<sub>1sub>=△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>=△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub>
A、K<sub>Psub>不变,平衡时的N<sub>2sub>和H<sub>2sub>的量将增强,而NH<sub>3sub>的量减少 B、K<sub>Psub>不变,平衡时的N<sub>2sub>、H<sub>2sub>、NH<sub>3sub>的量均不变 C、K<sub>Psub>不变,平衡时的N<sub>2sub>和H<sub>2sub>的量将减少,而NH<sub>3sub>的量增加 D、K<sub>Psub>增加,平衡时的N<sub>2sub>和H<sub>2sub>的量将减少,而NH<sub>3sub>的量增加
A、H<sub>1sub>>H<sub>2sub>;P<sub>1sub>=P<sub>2sub> B、H<sub>1sub>=H<sub>2sub>;P<sub>1sub>>P<sub>2sub> C、H<sub>1sub>>H<sub>2sub>;P<sub>1sub>>P<sub>2sub> D、H<sub>1sub>=H<sub>2sub>;P<sub>1sub>=P<sub>2sub>
A、H<sub>2sub>→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→C<sub>2sub>H<sub>2sub>→CO B、H<sub>2sub>→CO→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→C<sub>2sub>H<sub>2sub> C、H<sub>2sub>→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→CO→C<sub>2sub>H<sub>2sub> D、CO→H<sub>2sub>→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→C<sub>2sub>H<sub>2sub>
A、O<sub>2sub>,B<sub>2sub> B、C<sub>2sub>,O<sub>2sub> C、Be<sub>2sub>,F<sub>2sub> D、H<sub>2sub>,He<sub>2sub>+
A、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub> B、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> C、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub>
A、CO<sub>2sub>和H<sub>2sub> B、CO<sub>2sub>和H<sub>2sub>O C、CO和H<sub>2sub> D、CO和H<sub>2sub>O
A、造气工段制气时,不要选用易生成C<sub>2sub>H<sub>2sub>、C<sub>2sub>H<sub>4sub>土焦,或劣质煤 B、变换工段要严格控制避免生成C<sub>2sub>H<sub>2sub>、C<sub>2sub>H<sub>4sub> C、铜洗及再生系统检修前要进行认真冲洗置换,检修中要保持填料和系统湿润 D、铜洗及再生系统在温度尚高情况下,严禁采用空气吹净机进行气密试验