Answer:

Explanation:
Given that,
Mass of sample, m = 996.9 g
The change in temperature of the sample, 
Heat produced, Q = 62.9 calories = 263173.6 J
The heat released by a sample due to change in temperature is given by :

Where
c is the specific heat capacity
So,

So, the specific heat of ethanol is equal to
.
Answer: if it has to have a definite physical and chemical properties. Mixture is when two atoms combine but not chemically.
Explanation:
the volume will be 0.84mol of Y
Answer:
the ander is B. 6 neurons