kell

This page lists questions and answers that were posted by visitors named kell.

Questions

The following questions were asked by visitors named kell.

5m - 11 and 2m + 3=

when is it more practical to use a scale drawing rather than an actual size drawing

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 increase by half. the same amount. two times. four times.

Answers

The following answers were posted by visitors named kell.

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...