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

  Determine what mass of h2 is formed

Does the reaction occur spontaneously at the temperature of 298 K and standard state conditions also Calculate the value of S°univ.

  Why are acid chlorides more reactive towards nucleophilic

Why are acid chlorides more reactive towards nucleophilic substitution than ethyl esters? Give an explanation of why acid chlorides are more reactive toward nucleophilic substition than are the corresponding ethyl esters.

  Find the solution to chemistry electron-donating

The solution to Chemistry, Are there differences between having electron-donating groups and electron-withdrawing groups

  What is the final temperature

A 47 kg sample of water absorbs 348 kJ of heat. If the water was initially at 28.7 C what is its final temperature.

  How much air is required in one hour to completely react

How much air is required in one hour to completely react all of the galena? Air is 21% oxygen. C. Assuming the exit temperature of the flue gas is 650 ºC and the barometric pressure is 0.9 atm, what is the volume of the sulfur dioxide produced?

  How many feet of copper can be obtained from the ingot

A copper refinery produces a copper ingot weighing 121 lb. If the copper is drawn into wire whose diameter is 8.00 mm, how many feet of copper can be obtained from the ingot.

  Determine the final temperature after thermal equilibrium

A sample of water 53 g with a temperature of thirty six degree celsius is combined to 250 grams of H 2 O at 91 degree Celsius  in an insulated container. Determine the final temperature after thermal equilibrium is reached?

  How many grams of al needed to completely react with fe2o3

Using the equation Fe2O3+2Al-->2Fe+Al2O3, how many grams of Al are needed to completely react with 135 g Fe2O3

  Find the minimum energy needed to eject electrons

The minimum frequency of light needed to eject electrons from a metal is called the threshold and find the minimum energy needed to eject electrons from a metal with a threshold frequency of 3.27*10^14s^-1.

  Compute the volume of water expected if the yield

When 18.5 mL of propanoic acid and 19.0 mL of n-propanol are mixed together, calculate the volume of water expected if the yield of the ester were 100%

  What is the new water level in the cylinder

A graduated cylinder contains 131 mL of water. A 18.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 25.0 g piece of lead are added.

  How many grams of zn have been consumed

If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?

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