Question

a car tyre pumped in the morning at 10°C to a pressure of 0.2N per mm²,increases in pressure as temperature rises. If the temperature is18°C,whatis the new pressure,the volume is constant.

Answer 1

P1V1/T1=P2V2/T2

Solve for P2

Answer 2

Volumes are constant and cancel out.

Use C° + 273K=???? To convert C° to Kelvin....

Answer 3

Are the three "anonymous" the same person. At any rate the last two posts are the corect way to go. Follow up if the first anonymous still has questions.