Determine the cop of the heat pump
Determine the COP of the heat pump that applies energy to a house at a rate of 4500kj/h for each kW of electric power it draws. Also, determine the rate of the energy absorption from the outdoor air.
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What volume of 0.2500 M cobalt(III) sulfate is required to react completely with a) 25.00 mL of 0.0315 M calcium hydroxide?
What is the pH of a soft drink in which the major buffer ingredients are 5.10 g of NaH2PO4 and 4.10 g of Na2HPO4 per 355 mL of solution?
To what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Water from a fire hose enters a nozzle at a velocity of 6.00 ft/s. The nozzle inlet has a diameter of 2.00 inches, and the outlet has a diameter of 0.50 inches.
Calculate the pH during the titration of 20.00 mL of 0.1000 M hydrazine N2H4(aq), with 0.1000 M HCl after 20.25 mL of the acid have been added.
113 ml of oxegen is collected over water 22 deges and 741 mm and left in postion over night next day volume reduced to 109 ml and tempecture is reads 21 degres what is the preasure on the second day
How many minutes will it take for each city's modem to transmit its invoices? Use the bits per day calculated in Question 2, and assume that the V.34 modems transmit at an average rate of 28,800 bits per second.
A dock worker applies a constant horizontal force of 80.5 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 10.0 in the first 6.00.
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