Physics, 19.05.2021 15:10 BallerAlert1644

1b. a heat storage arrangement is designed to store 4.2 x 10 joules of heat. The material is heated from 25°c to 45°c but melts at 32°c. the specific heat
capacity of solid is 2.0 kgkgk the specific heat of the liquid is 4.0 kgkgk
and its specific latent heat of fusion (mass) is required?

Answers: 3

Show answers

Another question on Physics

Physics, 22.06.2019 04:30

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?

Answers: 1

Answer

Physics, 23.06.2019 03:10

You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30∘ above the horizontal with a force of magnitude 240 n, causing the box to move horizontally. the force of friction between the moving box and the floor has magnitude 41.5 n . what is the box's acceleration just after it begins to move

Answers: 1

Answer

Physics, 23.06.2019 06:00

How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.

Answers: 1

Answer

Physics, 23.06.2019 08:00

Use henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.7 l of water upon warming from 25 ˚c to 50 ˚c. assume that the water is initially saturated with nitrogen and oxygen gas at 25 ˚c and a total pressure of 1.0 atm. assume that the gas bubbles out at a temperature of 50 ˚c. the solubility of oxygen gas at 50 ˚c is 27.8 mg/l at an oxygen pressure of 1.00 atm. the solubility of nitrogen gas at 50 ˚c is 14.6 mg/l at a nitrogen pressure of 1.00 atm. assume that the air above the water contains an oxygen partial pressure of 0.21 atm and a nitrogen partial pressure of 0.78 atm.

Answers: 2

Answer

You know the right answer?

1b. a heat storage arrangement is designed to store 4.2 x 10 joules of heat. The material is heated...

Questions