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kell
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A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will
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when is it more practical to use a scale drawing rather than an actual size drawing
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5m - 11 and 2m + 3=
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Ptot= pN2 + pAR; (725mmHg-231mmHg=494mmHg) 494mmHg*(1atm/760mmHg)= 0.65atm 65celsius+273 = 338K V=0.255L R= 0.0821 Latm/mol K Ideal Gas Law: PV=nRT n N2 = (PV/RT) plug in above values to equation n= (0.65atm * 0.255L) / (0.0821 Latm/molK * 338K) moles N2
