Explain what is the final temperature of the solution

Assignment Help Chemistry
Reference no: EM13224068

Commercial cold packs consist of solid ammonium nitrate and water. NH4NO3 absorbs 25.69KJ of heat per mole dissolved in water. In a coffee-cup calorimeter, 5.60 g NH4NO3 is dissolved in 100.0g of water at 22.0C(temp). What is the final temperature of the solution? Assume that the solution has a specific heat capacity of 4.18 J/g*C.

Reference no: EM13224068

Questions Cloud

American civil war and the american revolution : What are the similarities between the American Civil War and the American Revolution?
What is knowledge and how can it be shared throughout : What is knowledge and how can it be shared throughout an organization.
How can companies use information technology to improve : How can companies use information technology to improve access to and sharing of information within the organization?
How a better forecast than the moving average : The following table reports the Consumer Price Index for the Los Angeles area on a monthly basis from January 1998 to Decemeber 2000 (Base year = 1982-1984). Eliminating the data for 2000, use Excel to forecast the index for all of 2000
Explain what is the final temperature of the solution : NH4NO3 absorbs 25.69KJ of heat per mole dissolved in water. In a coffee-cup calorimeter, 5.60 g NH4NO3 is dissolved in 100.0g of water at 22.0C(temp). What is the final temperature of the solution? Assume that the solution has a specific heat capa..
Describe ways that managers can process the information : Describe ways that managers can process the information they collect.
The concentration of the reactant in a first-order reaction : It takes 171 minutes for the concentration of the reactant in a first-order reaction to decrease from 0.6000 M to 0.150 M at 25 C? How long will it take for the reaction to be 90.0% complete
Identify and describe the characteristics and costs : Identify and describe the characteristics and costs of useful information.
Determine the providers equilibrium wages : The relationship between nursing units and clinic visits is as follows: Quantity of nurses - total clinic visits 1-5,2-9,3-12,4-14,5-15 .The providers is assumed to maximize profits. Determine the provider' equilibrium wages and how many nursing u..

Reviews

Write a Review

Chemistry Questions & Answers

  How many kg of water were in the sample

A 95.0 gram piece of ice at 0.0 degrees celcius is added to a sample of water at 8.0 degrees celcius. All of the ice melts and the temperature of the water decreases to 0.0 degrees celcius. How many Kg of water were in the sample?

  State the benzene-toluene system obeys raoult''s law

The benzene-toluene system obeys Raoult's law because benzene and toluene molecules have similar shapes and electronic structures

  How many moles of acetylene will be produced

if 5.50 mol calcium carbide reacts with an excess water, how many moles of acetylene will be produced?

  Explain what is the heat of the reaction in kj

The heat of formation of MnO is -385 kj/mol and that of Al2O3 is -1670 kj/mol. What is the heat of the reaction in kj

  Explain what is the principal product when p-toluidine

What is the principal product when p-toluidine is treated with sodium nitrite and hydrochloric acid at 0-5 degrees Celcius

  Geologic formation containing various carbonate minerals

A groundwater sample is taken from a geologic formation containing various carbonate minerals (e.g., CaCO3, MgCO3, CaCO3•MgCO3, etc.) without exposing the water sample to the atmosphere.

  Calculate the solubility of baso4 in water

Calculate the solubility of BaSO4 in (1) pure water, (2) 0.0125 M BaCl2, and (3) 0.0125 M KCl. What effect do BaCl2 and KCL have on the solubility of BaSO4?

  What is the equivalent weight of this metal

A .117 gram sample of a metal reacts with hydrpchloric acid to produce 36.3mL od dry hydrogen gas. what is the equivalent weight of this metal.

  What is the electron domain geometry

A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?

  Compute the partial pressures of each liquid

At 50 degrees Celsius, the vapor pressures for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degrees Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..

  What is the ph of a buffer solution

What is the pH of a buffer solution made with 20 g of acetic acid and 30 g of sodium acetate in 450 mL of water? (Ka = 1.8 x 10-5). If concentrated HCl is added, will the pH increase or decrease?

  Which ballon will inflate the most

In Flask A, you reacted 1.65 g Mg with 0.136 mol HCl. In Flask B, you reacted 2.21 g Mg with 0.098 mol HCl. Which ballon will inflate the most?

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