What is the approximate heat of solution of koh,

Assignment Help Chemistry
Reference no: EM13134829

A 0.221 g pellet of potassium hydroxide,KOH, is added to 52.2 g water in a Styrofoam coffee cup. The water temperature rises from 23.5 to 24.4 °C. (Assume that the specific heat of dilute KOH aq is the same as that of water). What is the approximate heat of solution of KOH, expressed as kilojoules per mole of KOH?

Reference no: EM13134829

Questions Cloud

What is the amount budgeted for nonmanufacturing costs : The Butterfly Corporation had the following information that pertained to its March budget.
What is the breakeven level of sales in units per month : Prepare a monthly income statement for Larimer Industries at a sales volume of 10,000 units, using the contribution format. Note that there is no interest or income tax expense, because Larimer is simply a division of the corporation. What is the..
Text messaging influences people''s language in academic work : text messaging influences people's language in academic work (2 page, talk about the "textspeck" represent innovation or not)
Many corporations are emphasizing green technology : Many corporations are emphasizing green technology in their operations. This often costs the company more money in terms of expenses. What are the legal and ethical implications of this?
What is the approximate heat of solution of koh, : A 0.221 g pellet of potassium hydroxide,KOH, is added to 52.2 g water in a Styrofoam coffee cup. The water temperature rises from 23.5 to 24.4 °C.
Explain the environment and its reactions in the atmosphere : Show why this chemical is dangerous, by showing chemical reactions for its formation in the environment and its reactions in the atmosphere.
Prepare a cash budget : It pays interest of 1 percent per month in cash on the last day of the month. To be prudent, the company desires to maintain a $12,000 cash cushion. Prepare a cash budget.
What is the budgeted dollar amount of merchandise purchases : Hanover Toy Store has budgeted sales of $48,000 for its electronics department in November. Management wants to have $11,000 in electronics inventory at the end of November. The beginning inventory of electronic toys is expected to be $9,000. What..
Draw the probabilities out like an organisation chart : Draw the probabilities out like an org. chart, then choose to buy from the airline that is least likely to go bankrupt in June. Your research will include getting the bankruptcy.

Reviews

Write a Review

Chemistry Questions & Answers

  Energy of visible photos and breaking of the bond

Energy of visible photos and breaking of the bond in AgI, The silver iodine bond energy is approx 255kJ/mol. (AgI is one of the active components in photograpgy sunglasses.)

  Calculate dg for the reaction

Calculate ΔG for the reaction if the partial pressures of the initial mixture are PPCl5 = 0.0029 atm, PPCl3 = 0.27 atm, and PCl2 = 0.40 atm PCl5(g)--> PCl3(g) + Cl2(g)

  What is the value of kc

Carbon monoxide gas reacts with hydrogen gas at elevated temperatures to form methanol according to this equation. CO(g) + 2 H2(g) CH3OH (g)

  How many millimoles (mmol) of the non-limiting reactant

If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.

  Estimate the activation energy for reverse reaction

The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?

  Depict a flow sheet to show how you would separate

Separation of acidic, basic & neutral substances in solution, Draw a flow sheet to show how you would separate the components of a mixture containing and acid substance

  Explain synthesis of compounds

The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene

  How many grams of o2 will be required

How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.

  Calculate the molarity of the solution

A sugar syrup solution contains 15.0% by mass of sucrose C12H22O11. The syrup has a density of 1.06 g/ml

  What is the concentration of cl-

Three solutions 61.0 mL of 0.2 M KNO3; 63.0 mL of 0.3 M Ca(NO3)2; and 69.0 mL of 0.385 M KCl were poured together to make one new solution.

  Calculate the amount of heat [kcal] released

Calculate the amount of heat [kcal] released when 50.0 g of steam at 100 °C hits the skin, condenses, and cools to a body temperature of 37 °C.

  Explain mass of nitrogen

Mass of nitrogen, Suppose 5.0 liters of Nitrogen (diatomic) is at a temperature of 40 degrees C and a pressure of 1.5 ATM

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