Answer:
I think option a. Is correct in the graph C is the gas.....while in graph D is the ideal gas
Explanation:
Answer:
Their energes can have any values
Explanation:
Answer:
319.3g Cu2S
Explanation:
There is 127.1 g Copper in 159.16g (molar mass) of Cu2S. Let x be Cu2S required. Then x * (127.1/159.16) = 255.0g. So x = 319.3g