What is the final temperature in a squeezed cold pack

Assignment Help Chemistry
Reference no: EM13119246

What is the final temperature in a squeezed cold pack that contains 41.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/g*C for the solution, an initial temperature of 26.5C, and no heat transfer between the cold pack and the environment.

Reference no: EM13119246

Questions Cloud

What is molarity of naoh solution : What is molarity of NaOH solution if 26.0ml of 0.380 M H2So4 solution is required to neutralize a 25.0ml sample of the NaOH solution
Find variance-standard deviation of binomial distribution : Ffind the mean, variance and standard deviation of binomial distribution? what valuses of the random variable X would you consider unusual?
Explain queuing analysis : Queuing Analysis explained in this solution. The Riverview Clinic has two general practitioners who see patients daily. An average of six patients arrive at the clinic per hour. Each doctor spends an average of 15 minutes with a patient.
Illustrate what is the average tangential speed at the edge : Angular speed is the increased to 10 rad/2 over the next 4 seconds. Illustrate what is the average tangential speed at the edge of the grindstone during this time
What is the final temperature in a squeezed cold pack : What is the final temperature in a squeezed cold pack that contains 41.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/g*C for the solution, an initial temperature of 26.5C.
Quadratic equation word problems : A car travels 910 mi at a certain speed. if the speed had been 5 miles per hour faster, the trip would have been made in 1 hr less. Find the speed.
Describe and sketch details of gram-staines slides : describe and sketch details of Gram-staines slides as viewed under the oil immersion abjective of the microscope.
Illustrate with what force does he have to pull : He pulls on a rope that is fastened to the platform and runs over a pulley on the ceiling. Illustrate with what force does he have to pull in order to give himself and the platform an upward acceleration of 1.0 m/s^2?
Quadratic equations and completing square : A record for free-fall to the ground without a parachute is 175 ft. How long did the fall take, using the formula s=16t^2

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the number of moles of hydrogen produced

At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.

  Determine the ultimate end product

We are asked to write the balanced equation when glucose is reacted with ammonium chloride + epichlorohydrin + isopropyl alcohol. What is the ultimate end product? Hopefully it is supposed to be some form of a quaternary ammonium radical attached to ..

  How many feet will it travel

An alien rocketship is traveling at a speed of 40 inches per minute. At this speed, how many feet will it travel in 1 second? Round to the nearest thousandth.

  Calculate the mass percentage of nitrogen in the sample

If 76.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.

  Calculate the density of a neutron

Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron.

  Weight of hydrogen when sodium is dropped

If a sample of sodium is dropped into a container of water the reaction is:

  What mass of the nuclide will remain after 98.4 years

The half-life of nuclium is 12.3 years. If 49.0 mg of nuclium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 98.4 years.

  Determine the mass percentage of cadmium sulfide

If the sample reacted completely and produced 1931 mL of H2S hydrogen sulfide at 29.82 °C and 759.7 mm Hg, determine the mass percentage of Cadmium sulfide in the mixture?

  Determine volume of the gas at a pressure of a temperature

Using a sample of CO 2 occupies a 2.54dm^3 container at STP. Determine the volume of the gas at a pressure of a temperature of 26.0 degree Celsius and 150.0 kPa?

  Find out percent of calcium carbonate in original mixture

Calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of HCl results in the production of carbon dioxide then find out the percent of calcium carbonate in the original mixture?

  What is the new water level in the cylinder

A graduated cylinder contains 145mL of water. A 10.0g piece of iron (density = 7.86g/cm3 ) and a 22.0g piece of lead are added.

  Understanding the basics of thermal chemistry

Understanding the basics of thermal chemistry and The Second Law of Thermodynamics indicates that a system

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