charu

Calculate the entropy increase in the evaporation of 1 mole of a liquid when it boils at 100 degree centigrade having heat of vaporisation at 100 degree as 540cals\gm

-3 +(-8)=

the kings who ruled from 1000bc to 1000ad

A stone is moved round a horizontal circle with a 20 cm long string tied to it. if centrepetal acceleration is 9.8 m/s2, then its angular velocity

Write 95.43×10^-4 in scientific notation. Since we need to have the decimal place so that there is only one number on the left I guess I do this: 9.543 And to get back to where I was I need to go -1 So would this be the right answer: 9.543×10^1 I'm confus...

180 sticks

1. 140 2.0

Oh okay thank you!