87.8 , 31 Celsius=87.8(88) in Fahrenheit
We are given
n = 87.3 moles He
no = 52.0 moles
Po = 9.63 atm
Using the relationship between Pressure and number of moles
Po/no = P/n
Substituting
9.63 atm / 52.0 mol = P / 87.3 mol
Solve for P<span />
The answer would be C as in cat and D as in dog your welcome i hope this help
C. Warm ocean currents bring warmer temperatures to coastal cities