Saisir le Jour

This page lists questions and answers that were posted by visitors named Saisir le Jour.

Questions

The following questions were asked by visitors named Saisir le Jour.

How much heat (calories) must be applied to a 100 mL beaker filled with boiling water in order to vaporize the water? ** A) 540 cal ** B) 540 * 10^4 cal C) 800 cal D) 8000 cal Is A correct? or cud it be B.?

A beaker contains 50.0 mL of water at 90.0°C. How many calories must be added to raise the temperature of the water to its boiling point (100°C)? A) 50.0 cal B) 1.00*10^3 C) 100.0 cal D) 5.00*10^2 I think the answer is B, but i also think im wrong...

Can some1 give me mayb 1 or 2 examples of a HETEROGENEOUS mixture for my lesson?? Thank you!

Answers

The following answers were posted by visitors named Saisir le Jour.

Oh, sorry! my lesson is labeled "Heat Capacity" so i guess i got kinda confused there... thnx Damon!

thnx again! typo meaning?... the "cal" at the end?

oops! ur right... typo there. 5.40*10^4

oh... thnx again Damon! I'll write this 1 down just in case i need it again.