Question: A room air conditioner has a coefficient of performance of 29 on a hot day, and uses 850 W of electrical power. (a) How many

A room air conditioner has a coefficient of performance of 29 on a hot day, and uses 850 W of electrical power.
(a) How many joules of heat does the air conditioner remove from the room in one minute?
(b) How many joules of heat does the air conditioner deliver to the hot outside air in one minute?
(c) Explain why your answers to parts (a) and (b) are not the same

Step by Step Solution

★★★★★

3.35 Rating (173 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

IDENTIFY K 2 and QH oc SET UP The heat remove... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

P-T-S-L (102).docx

120 KBs Word File

Students Have Also Explored These Related Thermodynamics Questions!

Explain why your answers to parts c, d, and e of Problem 7.38 are consistent with the pKa's of the starting acids and product acids. Problem 7.38 a. b. c. a-O-OH + NaOH Cl + NaOH CH CH CHCH SH+ NaOH

A residential heat pump has a coefficient of performance of 2.4. How much heating effect, in Btu/h, will result when 5 hp is supplied to this heat pump? Reservoir QH HP 5 hp COP-2.4 Reservoir

A heat pump has a coefficient of performance that is 50% of the theoretical maximum. It maintains a house at 20C, which leaks energy of 0.6 kW per degree temperature difference to the ambient. For a...

QUESTION;- Elaborate your overalllearning on consumer behaviour from the case Daikin India: Paradise Lost describes a real-life situation faced, a decision or action taken by an individual manager or...

Using the attached 10-Ks compute NOA for 2013 and 2014n(please include the list of operating assets and operating liabilities and if noncurrent investments are reported, treat them as nonoperating...

Using the attached 10-K calculate NOPAT for 2013. Assume that the combined federal and state statutory tax rate is 37%. Please include the computations (including the inputs into each formula). Thank...

1. The Earth's magnetic poles remain in fixed positions, coinciding with the geographic poles. A. True B. False 2. Which of the following is a good description of the domains found in the south pole...

#6 and #7 1. Moist air at standard conditions is at a dry bulb temperature of 50F and a relative humidity of 70%. It is sensibly heated (constant moisture) to 72F. Use the psychrometric chart to...

As if dealing with economic cycles, fuel price volatility, organized labor, changing customer demographics, and increased competition was not enough... Delta CEO Ed Bastian assumed the role of Deltas...

Billys Hamburgers issued 5%, 10-year bonds payable at 90 on December 31, 2012. At December 31, 2014, Billy reported the bonds payable as follows: Billy pays semiannual interest each June 30 and...

As individuals who are aspiring to becoming Project Managers, a profession that has deep impact to organizational success, we need to be able to constantly scan the internal and external eco-system....

a . I f the firm's dividend policy were based o n a constant payout ratio o f 4 0 % for all years with positive earnings and 0 % otherwise, what would b e the annual dividend for 2 0 1 6 ? b . I f...

Find the value of the first derivative for f(x) = 3x2 -4x + 162 when x=20 Round all calculations to 2 decimals

Find the value of the determinant. | 12 -4 3 -8 4 64

f(-5)+f(4) f(0) Find the value of where if x

Why polymers are visco-elastic in nature? Explain the difference in the stress strain relationship of a visco-elastic material and a perfectly elastic material.

Explain the manufacturing process for sheet molding compound (SMC). Write 3 industrial applications for SMC and name the most common molding technique where SMC is used as raw material.

1. A ball of mass 0.12 kg moving at a velocity of 15 m/s is caught by a person. The ball comes to a stop in a time of 0.025 s. Calculate the impact force.

Professors Annuity Corp. offers a lifetime annuity to retiring professors. For a payment of $78,000 at age 65, the firm will pay the retiring professor $550 a month until death. a. If the professors...

Your client, Tom, has come to you inquiring about retirement. He wants to know approximately how much (in future dollars) he will need to have saved by retirement. You have calculated that he will...

Q1. What is the present value of the cost of college education for 4 children ages 1,3,5, and 7. The current cost of college is $25,000. The children will begin college at age 18 and be in college...