Acids: taste sour, has a pH less than 7
bases: tastes bitter, has a pH greater than 7
Yes, it is most likely for science.
Answer:
Ca
Explanation:
It is on the left side of the periodic table where metals are located.
Answer: The partial pressure of the water vapor is 1.108 atm
Explanation:
According to Dalton's law, the total pressure of a mixture of gases is the sum of individual pressures exerted by the constituent gases.

Thus 
Given:
=4.015 atm
= 2.907 atm
= ?
Thus 

Thus the partial pressure of the water vapor is 1.108 atm