Explain what is relative amount of electric energy

Assignment Help Chemistry
Reference no: EM13562244

Compare a refrigerator set at +2 oC and a freezer set at -18 oC, both of which are operating in the room with temperature of +20 oC. What is relative amount of electric energy that will need to be used in both cases to cool a cup of water (250 ml) from room temperature to +5 oC? Assume ideal operation of both systems.

Reference no: EM13562244

Questions Cloud

Standard values of the mass and charge of a proton : A proton moving to the right at 6.2 × 105 ms-1 enters a region where there is an electric field of 62 kNC-1 directed to the left. Describe qualitatively the motion of the proton in this filed. What is the time taken by the proton to come back to the ..
Calculate the magnitude of the angle with respect to x-axis : A 0.275 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.220 kg puck that is initially moving along the x axis with a velocity of 2.03 m/s. After the collision, the 0.220 kg puck has a speed of 1.14 m/s at an angle..
Obtain the satellites altitude above the surface of earth : A satellite moves in a circular orbit around the Earth at aspeed of 4260 m/s. Determine the satellite's altitude above thesurface of the Earth
The rock to hit the ground below the cliff : A man throws a rock from the top of a cliff that is 50.0 m above ground level with an initial speed of 27.0 m/s at an angle of 28.0° above the horizontal.
Explain what is relative amount of electric energy : Compare a refrigerator set at +2 oC and a freezer set at -18 oC, both of which are operating in the room with temperature of +20 oC. What is relative amount of electric energy that will need to be used in both cases to cool a cup of water
Find the angle through which the shaft has turned : the shaft of a pump starts from rest and has an angularacceleration of 3.00 rad/s2 for 18.0s. find the angle through which the shaft has turned
Explain temperature and pressure of intake mixture : Enthalpy of combustion of ethanol(g) is -1371 kJ/mol. Temperature and pressure of intake mixture is 25 oC and 1 bar, respectively. Assume ideal behavior of diatomic gas and ignore the changes in the number of moles of gas during combustion.
If in addition to the magnetic field constant electric field : If in addition to the magnetic field a constant electric field is now created within the region where the magnetic field is located so that the charge proceeds in a straight line and exits with velocity v2 = v, what must be the magnitude of this e..
Evaluate the analysis of the wet product of combustion : In the actual combustion of benzene in an engine the A/F ratio was 12/1. Calculate the analysis of the wet product of combustion

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd