Explain evaporating liquefied dichlorodifluoromethane

Assignment Help Chemistry
Reference no: EM13246609

Some refrigerators cool their contents by evaporating liquefied dichlorodifluoromethane CCl2F2. How many kg of this liquid must be evaporated to freeze a tray of ice cubes at room temperature (25 degrees C) Delta H fusion= 6.01 kJ/mole

Reference no: EM13246609

Questions Cloud

Explain the lti system with rational system function : Suppose we have a causal LTI system with rational system function H(s). We don't know H(s), but we do have the following information: i. When the input to the system is x(t) = u(t), the output y(t) is absolutely integrable.
Compute the maximum concentration of fluoride ion : Calculate the maximum concentration of fluoride ion that could be present in hard water. Assume the only anion present that will precipitate is the calcium ion. (CaF2(s) Ksp,25C=4.0x10^-11)
Palindrome by doing character replacement : A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement.
What is the resistance of this unit : A cylindrical aluminum pipe of length 1.43 m has an inner radius of 2.00 10-3 m and an outer radius of 3.00 10-3 m. What is the resistance of this unit
Explain evaporating liquefied dichlorodifluoromethane : Some refrigerators cool their contents by evaporating liquefied dichlorodifluoromethane CCl2F2. How many kg of this liquid must be evaporated to freeze a tray of ice cubes at room temperature (25 degrees C) Delta H fusion= 6.01 kJ/mole
Which should be the signal power in the given case : A cable technician tested the signal-to-noise ratio on the curb as 20 dBm. This means, if the noise power is at 1 mW, then the signal power should be 20 dB higher then that. If the noise power is 20 mW
Why was european culture and civilization better equipped : Why was European culture and civilization better equipped them to conquer the Inca, Aztec and other “New World” civilizations and not the other way around?
Explain iron nitrate and potassium phosphate react : What is the limiting reactant when equal masses of iron(III) nitrate and potassium phosphate react in solution?
Calculate the hall field and hall voltage : Germanium is n-type doped at 5x1015 cm-3 at T=300 K. The dimensions of the Hall device are d=5x10-3 cm, W=2x10-2 cm, and L=10-1 cm. The current is Ix=250 A, the applied voltage is Vx=100 mV, and the magnetic flux density is Bz= 500

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the equilibrium concentrations of the gases

For the equilibrium  2H2S(g) 2H2(g)+S2(g) Kc=9.0x10^-8 at 700 degrees C. The initial concentrations of the three gases are 0.550 M H2S, .550 M H2, and .275 M S2. Determine the equilibrium concentrations of the gases.

  Find the number of moles of water

find the number of moles of water that can be formed if you have 218 moles of hydrogen gas and 104 moles of oxygen gas

  Explain what are the concentrations of pb2

A voltaic cell consists of Pb/Pb2+a half-cell and a Cu/Cu2+ half-cell at 25 . The initial concentrations of and are 5.10×10?2 and 1.60 , respectively. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.360 V?

  What is the change in energy of the system

A gas expands and does P-V work on the surroundings equal to 281 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?

  Explain hydrogenation reactions are used to add hydrogen

Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction

  How many gallons of gasoline are needed

A car travels at 58.0 miles per hour and gets 12.0 kilometers per liter of gasoline. How many gallons of gasoline are needed for a 1.50 hour trip?

  Defien what is the value of the ionization constant

A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid

  How many carbons does the sample contain

how many carbons does the sample contain

  State a series of two balanced chemical equations

Choosing CO^2+, write a series of two balanced chemical equations representing the reaction that occurs when HCl and NH3 are added to an aqueous solution of the transition metal cation.

  How to find pressure of oxygen

How can i find the pressure of oxygen if it's in a mixture of .40 moles of oxygen and .20 moles of nitrogen at 1.2 atm pressure

  Determine the oh-concentration at equilibrium in a solution

Sodium formate, HCOONa, is a weak base and undergoes hydrolysis in water. Determine the OH- concentration at equilibrium in a solution

  What volume will the gas occupy

A gas occupies 4.71 liters at 62°C and 795 torr. What volume will it occupy if it is cooled to 17°C and compressed to 911 torr?

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