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【多选题】
以下是消极心理防御的有（）。
A.
退化
B.
补偿
C.
轻生
D.
表同
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】（8分）按要求写出298K、101 kPa时下列反应的热化学方程式： （1）3mol NO 2 (g)与1 mol H 2 O(1)反应生成HNO 3 (aq)和NO(g)，放热138kJ：____________。 （2）1 mol HgO(s)分解为液态汞和氧气，吸热90.7kJ：___________________。 （3）①下图是一定量丙烷完全燃烧生成CO 2 和1 mol H 2 O(...
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【简答题】Some local companies are great effort to ___ with foreign companies for a share of the market. (connect, combine, compete, compare)
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【单选题】已知 298K 时,反应 4NH 3 ( g ) + 5O 2 (g) === 4NO(g) + 6H 2 O(l) Δ f G m θ /kJ · mol -1 -16.5 0 86 -237 可以判断此反应在 298K 和标准状态下
A.
自发进行
B.
不自发进行
C.
处于平衡状态
D.
难以判断
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【单选题】Television, which made its first serious appearance in 1939, did not become common until the early 1950s. Since then, millions of children 11 in front of the set, and many people now worry about the e...
A.
reaches
B.
rich
C.
reached
D.
reaching
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【简答题】已知反应 NH 4 NO 3 (s) N 2 O(g) + 2H 2 O(l) 298 K 时, NH 4 NO 3 (s) N 2 O(g) H 2 O(l) / kJ·mol -1 -365.56 81.55 -285.85 / J·mol -1 ·K -1 151.08 219.99 69.96 (1) 反应是吸热还是放热? (2) 在 298 K , 是多少? (3) 等于多少? (4) ...
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【单选题】What did some logging companies do?
A.
They gave local communities $100,000.
B.
They did not keep promises to local communities.
C.
They offered local communities precious gifts.
D.
They fought with local communities.
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【判断题】Exploiting the great potentials in the huge domestic market, some local IT companies have grown into giants with a stunning market value.
A.
正确
B.
错误
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【单选题】Some local companies are making great efforts to _____ with foreign companies for a share of the market.
A.
connect
B.
combine
C.
compete
D.
compare
查看完整题目与答案
【单选题】反应4NH3(g)+5O2(g)→4NO(g)+6H2O(l)在298K、100kPa进行时的反应焓变 ( )kJ。
A.
-12.39
B.
12.39
C.
-2.48
D.
2.48
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【单选题】反应 3NO 2 (g)+H 2 O(g)→2HNO 3 (l)+NO(g) 在298K、100kPa进行时的反应焓变 ( ) 。
A.
-2.48
B.
2.48
C.
-7.44
D.
7.44
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相关题目：
【简答题】（8分）按要求写出298K、101 kPa时下列反应的热化学方程式： （1）3mol NO 2 (g)与1 mol H 2 O(1)反应生成HNO 3 (aq)和NO(g)，放热138kJ：____________。 （2）1 mol HgO(s)分解为液态汞和氧气，吸热90.7kJ：___________________。 （3）①下图是一定量丙烷完全燃烧生成CO 2 和1 mol H 2 O(...
查看完整题目与答案
【简答题】Some local companies are great effort to ___ with foreign companies for a share of the market. (connect, combine, compete, compare)
查看完整题目与答案
【单选题】已知 298K 时,反应 4NH 3 ( g ) + 5O 2 (g) === 4NO(g) + 6H 2 O(l) Δ f G m θ /kJ · mol -1 -16.5 0 86 -237 可以判断此反应在 298K 和标准状态下
A.
自发进行
B.
不自发进行
C.
处于平衡状态
D.
难以判断
查看完整题目与答案
【单选题】Television, which made its first serious appearance in 1939, did not become common until the early 1950s. Since then, millions of children 11 in front of the set, and many people now worry about the e...
A.
reaches
B.
rich
C.
reached
D.
reaching
查看完整题目与答案
【简答题】已知反应 NH 4 NO 3 (s) N 2 O(g) + 2H 2 O(l) 298 K 时, NH 4 NO 3 (s) N 2 O(g) H 2 O(l) / kJ·mol -1 -365.56 81.55 -285.85 / J·mol -1 ·K -1 151.08 219.99 69.96 (1) 反应是吸热还是放热? (2) 在 298 K , 是多少? (3) 等于多少? (4) ...
查看完整题目与答案
【单选题】What did some logging companies do?
A.
They gave local communities $100,000.
B.
They did not keep promises to local communities.
C.
They offered local communities precious gifts.
D.
They fought with local communities.
查看完整题目与答案
【判断题】Exploiting the great potentials in the huge domestic market, some local IT companies have grown into giants with a stunning market value.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Some local companies are making great efforts to _____ with foreign companies for a share of the market.
A.
connect
B.
combine
C.
compete
D.
compare
查看完整题目与答案
【单选题】反应4NH3(g)+5O2(g)→4NO(g)+6H2O(l)在298K、100kPa进行时的反应焓变 ( )kJ。
A.
-12.39
B.
12.39
C.
-2.48
D.
2.48
查看完整题目与答案
【单选题】反应 3NO 2 (g)+H 2 O(g)→2HNO 3 (l)+NO(g) 在298K、100kPa进行时的反应焓变 ( ) 。
A.
-2.48
B.
2.48
C.
-7.44
D.
7.44
查看完整题目与答案