promotion image of download ymail app
Promoted

NEED HELP WITH THIS PHYSICS HW. WILL AWARD BEST ANSWER TO WHOEVER GETS IT CORRECT?

Calculate the quantity of heat needed to turn 200 g of 100∘C water to steam at the same temperature. The heat of vaporization for water Lv is 540 cal/g.

Express your answer to two significant figures and include the appropriate units.

3 Answers

Relevance
  • Whome
    Lv 7
    2 months ago
    Favorite Answer

    200 g(540 cal/g) = 108000 cal = 1.1 x 10^5 cal

    • Commenter avatarLogin to reply the answers
  • 2 months ago

    By Q = ML

    =>Q = 200 x 540 

    =>Q = 108000 cal OR 108 kcal

    • Commenter avatarLogin to reply the answers
  • Anonymous
    2 months ago

    mass * heat of vaporization

     

    Doesn't get much easier than that.

    • Commenter avatarLogin to reply the answers
Still have questions? Get your answers by asking now.