Determine the cop of the fridge

Reference no: EM13531551

my refrigerator has cop of 5.00. its power input is 615W . A sample of mass of water is 500 g and temp of 20C is placed into the freezer. how long does it take to freeze the water to 0C? assume that all parts stay at the same temp and there are no leaks of energy.

a) determine how long it takes for the water to freeze from room temp.

b) determine the COP of the fridge.

Reference no: EM13531551

Questions Cloud

State a balanced equation for the reaction : The combustion of liquid ethanol (C2H5OH) produces carbon dioxide and water. Write a balanced equation for this reaction. After 4.2 mL of ethanol (density = 0.789 g/mL) was allowed to burn in the presence of excess oxygen gas. At the end of the proc..

Nervoussystem-kidneys and urinary system : An old man while eating suddenly has difficulty speaking andnotices numbness and weakness in his face and arm. base ofphysiology what you think is happening? what anatomic structuresmight be involved?

Compute the correct cost of goods sold for each year : Compute the correct cost of goods sold for each year - Brooks Hardware reported cost of goods sold

How many moles of oxygen will be needed to react zns : A reaction mixture initially contains 4.2 mol ZnS. a. How many moles of oxygen will be required to react with ZnS b. Assuming there is enough oxygen,

Determine the cop of the fridge : my refrigerator has cop of 5.00. its power input is 615W . A sample of mass of water is 500 g and temp of 20C is placed into the freezer. determine the COP of the fridge

Expected frequencies of alleles and genotypes : Compare the actual frequencies above with the expected frequencies of alleles and genotypes. Is thispopulation in Hardy-Weinberg equilibrium?

Evaluate the value of its ending inventory : Kirk Limited is trying to determine the value of its ending inventory as of February 28, 2012, the company"s year-end. The accountant counted everything that was in the warehouse, as of February 28, which resulted in an ending inventory valuation ..

Explain a zero-order decomposition reaction : It is found that a gas undergoes a zero-order decomposition reaction in the presence of a nickel catalyst. If the rate constant for this reaction is 8.1 x 10-2 mol/ (l*s), how long will it take for the concentration of the gas to change from an in..

Calculate the tension in the support cable : A 1 200-N uniform boom at f 5 65° to the horizon- tal is supported by a cable at an angle u 5 25.0° to the horizontal, calculate the tension in the support cable

User Account

All Pages