You need a control so you have something to compare the experimental group on-- If you don't have a control group, how will you know what's changed?
Answer:
The pressure of the gas is increased by reducing the volume at constant temperature. ... The average velocity of the molecules is increased by a factor of 2.
Explanation:
Answer: There are 971.77 millimoles in 3.89 grams of Helium
Explanation:
i think its right im not really sure
Answer:
no
Explanation:
the output can never be greater than the input