esullivan207 esullivan207

22-01-2020
Physics

contestada

A plastic-foam container used as a picnic cooler contains a block of ice at 0°C. If 225g of ice melts, how much heat passes through the walls of the container?

Respuesta :

muhechen muhechen

22-01-2020

Answer:

18kcal

Explanation:

Melting enthalpy of water: 80 cal/g

The melting enthalpy discribes how much heat is needed to melt a substance. So you get the heat by multiplying the mass of your substance with its melting enthalpy.

225g*18cal/g=18000cal=18kcal

Answer Link

Otras preguntas

Which of these processes are necessary for roots to be able to take up water and minerals? a. Passive transport and diffusion b. Active transport and osmosis

What term describes two lines that have a point in common?

graph the following equation y=-3/7 x -1

Which one of the following choices is a good substitute for cookies as a fast snack? a. baked potato with salsa b. low fat potato chips c. graham crackers wi

How to solve 2.5h - 15 = 4h

Why did Northern leaders select the specific objectives of the Anaconda Plan? Select one: a. They wanted to cut the South off from itself, splitting it in half

Under what circumstances, to Locke, might it be necessary for the people to dissolve their government and start anew? Be detailed in your response.

Polymerization reactions in which polysaccharides are synthesized from monosaccharides or proteins are synthesized from amino acids: a. result in the formation

Which of the following territories is INCORRECTLY matched with the nation that conquered or assumed control over it by the eve of World War II? a. Ethopia/Ital

To create an effective fitness program, you need to find activities that are