Explain what is the change in heat content

Assignment Help Chemistry
Reference no: EM13260909

metal sample weighing 37.6 grams which has been heated to a temperature of 100 degree c in boiling water, was placed in 48.6 grams of water in a calorimeter, the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.

- what is the change in heat content,q, for the water in joules ( how much heat flowed into the water)

Reference no: EM13260909

Questions Cloud

What is the dividend yield : The next dividend payment by Blue Cheese, Inc., will be $2.12 per share. The dividends are anticipated to maintain a growth rate of 8 percent forever. The stock currently sells for $43 per share.
Find the maximum magnitude of the force exerted by spring : A 170 g block connected to a light spring with a force constant of k = 4N/m oscillates on a horizontal, frictionless surface. What is the maximum magnitude of the force exerted by the spring during this motion
How far from the surface must the other probe be placed : A very long insulating cylinder of charge of radius 2.30 cm carries a uniform linear density of 17.0 nC/m . If you put one probe of a voltmeter at the surface, how far from the surface must the other probe be placed so that the voltmeter reads 180..
What is the target share price five years from now : Davis, Inc., currently has an EPS of $1.40 and an earnings growth rate of 7 percent. If the benchmark PE ratio is 31, what is the target share price five years from now?
Explain what is the change in heat content : the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.
What is your estimate of the current stock price : Sully Corp. currently has an EPS of $4.00, and the benchmark PE for the company is 39. Earnings are expected to grow at 5 percent per year.
Calculate total charge on plates and potential gradient : The capacitance of a capacitor formed by two parallel metal plates each 200 cm2 in area separated by a dielectric 4 mm thick is 0.0004 microfarads. A p.d. of 20,000 V is applied. Calculate (a) the total charge on the plates
Find the ratio of the focal lengths of the mirrors : Identical objects are located at the same distance from two spherical mirrors, A and B. Find the ratio fA/fB of the focal lengths of the mirrors
What is the required return : The next dividend payment by Blue Cheese, Inc., will be $2.08 per share. The dividends are anticipated to maintain a growth rate of 6 percent forever. If the stock currently sells for $42 per share, what is the required return?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the pressure of no and no2 in the mixture

At 1000 deg. K, a sample of pure NO2 gas decomposes. 2NO2(g)f/r2NO(g) + O2(g) The equilibrium constant Kp is 158. analysis shows that the partial pressure of O2 is 0.14 atm at equilibrium.

  Calculate the ratio of ch 3 nh 2 to ch 3 nh 3 cl

Calculate the ratio of CH 3 NH 2 to CH 3 NH 3 Cl required to create a buffer with pH = 10.14. Express your answer using two significant figures.

  State what is the ph at the half-stoichiometric point

What is the pH at the half-stoichiometric point (that is, what is the pH when you have added 50% of the total volume of base required to react with all of the acid originally present?)

  What is the percent by mass of sugar

A sugar-water mixture contains 45.8 g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?

  What is the final pressure in atm

a sample of helium gas initially at 37 degrees celsius, 785 torr and 2.00L was heated to 58.0 degrees celcius while the volume expanded to 3.24L. What is the final pressure in atm.

  Define the charge balance for a solution containing h+

write the charge balance for a solution containing H+, OH-, Ca+, HCO3-, Ca(HCO3)+, Ca(OH)+, K+ and ClO4-

  Define what is the vapor pressure

The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and it's normal boiling point is 91degrees C. What is the vapor pressure of BBr3 at 34 degrees C.

  What is the molar mass of the gas

iF 0.80g of a gas occupies 295 mL at 25 degrees Celcius and 680 mm Hg of pressure, what is the molar mass of the gas.

  Compute the retention index for the unknown

The adjusted retention times were 10.4 min for hexane, 12.3 min for heptane, and 11.6 min for the unknown. Calculate the retention index for the unknown.

  What is the mass of the copper block

The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell by 8.52 K when the copper block released 64.5 J of heat. What is the mass of the copper block?

  Define what is the total combined mass of the carbon dioxide

The gasoline combines with 340.0 kg of oxygen. What is the total combined mass of the carbon dioxide and water produced by combustion in the engine?

  State the percent mass of cl in the organic compound

A saturated gaseous organic molecule is formed by replacing all hydrogen atoms with an unknown combination of F, and Cl atoms. The percent mass of Cl in the organic 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