Explain what is the enthalpy of the reaction

Assignment Help Chemistry
Reference no: EM13213295

A chemical reaction takes place inside of a simple constant pressure calorimeter that contains 100g of water. The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)
a. -1700 J
b. 110 J
c. -110 J
d. 1.7 kj

Reference no: EM13213295

Questions Cloud

Explain what is the resultant pressure if mol of ideal gas : What is the resultant pressure if 3.7 mol of ideal gas at 273 K and 1.97atm in a closed container of constant volume is heated to 446 K.
How did the backgrounds of both geithner and bernanke serve : How did the backgrounds of both Geithner and Bernanke serve to assist or hinder them in understanding and acting to solve the problems?
Compute the approximate volume needed to titrate : Calculate the approximate volume of 0.02M KMnO4 (in the unit of mL) needed to titrate 0.17 g sodium oxalate.(Note: The KMnO4 solution will be added from a buret to a flask during titration.
Calculate the accounting profit and the economic profit : Gomez runs a small pottery firm. He hires one helper at $11,500 per year, pays annual rent of $7,000 for his shop, and spends $22,500 per year on materials. He has $40,000 of his own funds invested in equipment (pottery wheels, kilns, and so forth..
Explain what is the enthalpy of the reaction : The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)
How to shift the average fixed cost curve up : Assume Congress decides that oil companies are making too much profit and decides to tax oil companies for each gallon of gasoline produced. This would Answer shift the average fixed cost curve down. shift the marginal cost curve up.
Describe how a mercury barometer works : The glass floor of the CN Tower's observation deck can withstand a pressure of 14,000 kPa. How many pounds per square inch would this be?
Compute the bowens accounting profits : howard bowen is a large-scale cotton farmer. the land and machinery he owns has a current market vlaue of $4 million. bowen owes his local bank $3 million. last year bowen sold $ 5 million worth of cotton. his variable operating costs were $4.5 mi..
Explain the movement of gas particles : Describe the movement of gas particles. Compare the shape and volume of a solid and a gas. Gases are easily compressed. What danger is associated with this property of gases.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the coordination geometry about the vanadium ion

What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step. Assuming an average current of 1.75amps is passed during theelectrolysis, calculate how long it would take to reduce ..

  Calculate the mass of hydrogen gas

calculate the mass of hydrogen gas that could have been produced. What would the gas volume be at room temperature and one atmosphere of pressure.

  What is the molar mass

2.00 moles of a gas occupies 62.2 L at a par- ticular temperature and pressure. Its density is 0.900 g/L. What is the molar mass?

  How many moles of oxygen can be formed

if a reation vessel contains .25 mol KO2 AND .15 mol H2O, what is the limiting reactant ? How many moles of oxygen can be formed ?

  Determine the volume of the methane at stp

Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH 4 , at the temperature of 31 degree Celsius and at pressure of 753 mmHg.

  What is the molarity of a solution made by dissolving

What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water

  Calculate the enthalpy change for converting

Calculate the enthalpy change for converting 1.00 mol of ice at -50.0°C to water at 70.0°C in kJ. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H2O , Hfus = 6.01 kJ/mol, and Hvap = 40.67..

  Explain oxygen and sulfur combine to form a variety

Oxygen and sulfur combine to form a variety of different sulfur oxides. some are stable molecules and some, including S2O2 and S2O3

  What time will it take for the reaction

At 25 degree celcius ,the second order reaction NOCL(g) - NO (g) + 1/2 CL2 (g) is 50 % complete after 5.82 hours when the initial concentration of Nitrosyl chloride is 4.46 ml/L.what time will it take for the reaction to be 75 % complete.

  What is the molarity of the naoh solution

a 35 mL sample of NaOH solution is titrated to an endpoint by 14.76 mL 0.4122M HBr solutio. what is the molarity of the NaOH solution?

  State the vapor pressure of the solution

what is the vapor pressure of the solution at 20 °C? Values at 20 degress celsius

  What is the ph of the buffer after the addition of naoh

What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically

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