已知Cu的相对原子量为64,用0.5法拉第电量可从CuSO4溶液中沉淀出多少Cu?
A. 16 g
B. 32 g
C. 64 g
D. 127 g
描述通过的电量与电极反应的产物的量之间的关系是:
A. 欧姆定律
B. 离子独立运动定律
C. 法拉第定律
D. 能斯特定律
当温度升高时,第一类导体导电能力降低,第二类导体导电能力增大。
A. 对
B. 错
The assets of a large metalworking business, are shown below.Required :Which of the above do you think should be defined as fixed assets and which should be defined as current assets?