Chemistry Blog
Wednesday, January 19, 2011
Day Six
What is the tire pressure at -20 degrees F compared to 90 degrees F, assuming the starting pressure was 32 psi?
We must first convert 90 and -20 to Kalvins.
32psi (244.3k)/305.2 K =psi 305.2 K/305.2 k
25.6 psi
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