Calculate the energy lost

Assignment Help Chemistry
Reference no: EM13138287

calculate the energy lost when 75.0 g of water cools from 86.4 degrees celcius to 2.1 degrees celcius

Reference no: EM13138287

Questions Cloud

Standards for the prime costs : Gandolph Game Company has established the following standards for the prime costs of one unit of its chief product, dartboards.
Jab legislating religious dress and its connection to tok. : jab legislating religious dress and its connection to TOK. Different perspectives for this topic
What you believe to be an appropriate international market : What are the changes over the past years that have become points of attraction for foreign nationals to work and to establish business concerns in the region?
What is the decision rule for mortgage on a motel : At the 0.01 level, is the bank loan financially sound (should the bank ask for additional collateral)? What is the decision rule?
Calculate the energy lost : calculate the energy lost when 75.0 g of water cools from 86.4 degrees celcius to 2.1 degrees celcius
Electrical and instrumentation use : Electrical & Instrumentation Use, State typical values for the loading effect on a low voltage AC circuit containing a lamp when measuring current with
Capital improvements : Explain the difference between capital improvements compared to Repairs and Maintenance, giving consideration to a taxpayer who owns a rental property.
What circumstances lead to the recording of a deferred tax : what circumstances lead to the recording of a deferred tax asset.
Internal rate of return and payback period : Annual cash savings from the purchase of the machine will be $20,000. Compute the internal rate of return and payback period.

Reviews

Write a Review

Chemistry Questions & Answers

  What would be the new equilibrium total pressure

Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished. what would be the new equilibrium total pressure.

  Determine what mass of ar is needed to exert

Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?

  Calculate the total mass of sodium chloride

If the volume of ocean water is 5.4*10^20 contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.86 g/mL.

  What are the solute particles present in aqueous solution

Sucrose, C12H22O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and ammonium chloride, NH4Cl, is a strong electrolyte.

  Few of the steps between line one and two in both

pH = log[H3O+] , pH + pOH = 14, [H3O+] * [OH-] = 1.0 X 10^-14, pH = -log(0.001) = 3 Could you show me a few of the steps between line one and two in both of these conclusions?

  What are the concentrations of each component

what are the concentrations of each component If a 10.00L vessel has 2.50 mol CO 2 and H 2 O, and 5.00 mol CO 2 and H 2 gas at 588°K, (Kc = 31.4 at 588°K), at equilibrium?

  Explain buffer solution and henderson-hasselbalch h-h

Explain Buffer Solution and Henderson-Hasselbalch H-H, What is the pH of a solution prepared by mixing 50.00mL of 0.10 M NH3 with 25.00mL of 0.10 M NH4Cl? Assume that the volume of the solutions are additive and that Kb= 1.8 x 10 -5 for NH3.

  Calculate the number of moles of hydrogen produced

At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.

  Define ethyl acetate can be prepared from ethanol

Ethyl acetate can be prepared from ethanol as the only organic starting material.

  Calculate the difference in pressure

15.0 moles of gas are in a 8.00 L tank at 21.0C. Calculate the difference in pressure between methane and an ideal gas under these conditions

  Synthesis of nylon- relative reactivities of acid chloride

Synthesis of Nylon: Relative Reactivities of Acid Chloride, Acid Chlorides are known to be reactive towards water, however successful polymer preparation can be made with 5% aqueous

  How many moles of hno3 are present

A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.

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