Compute the mass (in g) of nh4cl(s) required to change

Assignment Help Chemistry
Reference no: EM13290246

The heat of solution of ammonium chloride (NH4Cl(s)) in water is +14.7 kJ/mol. Calculate the mass (in g) of NH4Cl(s) required to change the temperature of (1.2550x10^2) ml of water from (2.440x10^1) °C to (5.30x10^0) °C. Assume that there is no heat loss and that the heat capacity of the solution is the same as that of pure water.


Use data from the textbook. Pay attention to significant figures, keeping in mind that a temperature difference is measured during the experiment. Use scientific notation for your answer. Do not enter units.

Note: Your answer is assumed to be reduced to the highest power possible.

Reference no: EM13290246

Questions Cloud

Find the energy absorbed by the element starting from t : The voltage across an element is 12e to the power of -2t . The current entering the positive terminal of the element is 2e to thepower of -2t . Find the energy absorbed by the element in 1.5 s starting from t=0
Which of the following should be considered incremental cash : Danielle's is a furniture store that is considering adding appliances to its offerings. Which of the following should be considered incremental cash flows of this project?
Obtain the value of the capacitance : A common capacitor found in the lab is in the form of a cylinder of length 2.5 cm. What is the value of the capacitance
Maltreatment of children in their homes and on the streets : What do you believe the connection is between the maltreatment of children in their homes and on the streets; and their involvement in crime and delinquency?
Compute the mass (in g) of nh4cl(s) required to change : The heat of solution of ammonium chloride (NH4Cl(s)) in water is +14.7 kJ/mol. Calculate the mass (in g) of NH4Cl(s) required to change the temperature of (1.2550x10^2) ml of water from (2.440x10^1) °C to (5.30x10^0) °C.
What is the capacitance of the device : Paper has a dielectric constant of 3.5 and a dielectric strength of 16 kV/mm. What is the capacitance of the device
Sketch basic characteristics of an-channel j-fet : Sketch basic characteristics of an-channel J-FET (ID vs. VDS andID vs. VGS) and explain why it may be used asa constant current source and a voltage controlled resistor.Indicate the parts of the characteristics where these functions canbe realized..
What is abc optimal capital budget : Any debt over $2 million will carry a 12 percent coupon rate and be sold at par. If ABC has a marginal tax rate of 40 percent, in which projects should it invest and what is ABC's optimal capital budget?
Under the simulated emergency conditions : Recently, the British Air Force studied the ability of pilots to detect warning signals in a jet fighter cockpit under emergency situations. Two test were conducted: one with normal conditions and the other under simulated emergency conditions. Durin..

Reviews

Write a Review

Chemistry Questions & Answers

  Define what concentration of sulfuric acid

Phases are optional. A. 0.450 L of 0.420 M H2SO4 is mixed with 0.400 L of 0.200 M KOH. What concentration of sulfuric acid remains after neutralization?

  Determine how many grams of carbon dioxide will be present

Determine how many grams of carbon dioxide will be present in the equilibrium mixture? Considering the given equations CO(g) + H 2 O(g) CO 2 (g) + H 2 (g)  if it is given =K c = 23.2

  Compute the molarity of a solution of hydrochloric acid

Calculate the molarity of a solution made by adding 26.1 mL of concentrated hydrochloric acid (37.3 % by mass, density 1.19 g/mL) to some water in a volumetric flask,

  What will be the final temperature

A 100g sample of water at 27oC is poured into a 76.2g sample of water at 89oC. What will be the final temperature.

  Sulfur dioxide reacts with oxygen to produce sulfur trioxide

Sulfur Dioxide reacts with oxygen to produce Sulfur trioxide in the presence of a catalyst. In an experiment carried out at 727 degrees Celsius

  State melted and resolidified to confirm a melting point

Synthesized a new compound one which has never beenprepared. How would you determine its mp? What precautions could take to insure that it is as accurate as possible?

  State temperatures and corresponding vapor pressures

Choose any two temperatures and corresponding vapor pressures in the table given, and use those values to calculate ?Hvap for dichloromethane (in kJ/mol).

  What mass of urea is produced per minute by this reaction

Ammonia gas at 223°C and 90. atm flows into a reactor at a rate of 550. L/min. Carbon dioxide at 223°C and 47 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield?

  State physical and chemical properties of sucrose

The following statements describe some physical and chemical properties of sucrose (table sugar). Which response includes all that describe chemical properties, and none that describe physical properties?

  Explain dilute solution of hydrochloric acid

Solutions of chymotrypsin prepared for experimental purposes are stored in a dilute solution of hydrochloric acid as a "preservative." Explain.

  Calculate the fraction of methyl isonitrile molecules

The activation energy for the isomerization of methyl isonitrile (see figure) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 493 K.

  Define the mechanism that illustrates the conversion

Draw the mechanism that illustrates the conversion of 2-chloro-2-methylbutane to 2-methyl-2-butyl isopropyl ether with 2-propanol as the nucleophile.

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