Evaluate the final temperature of the solution obtained

Assignment Help Chemistry
Reference no: EM13490001

a 2.53g of solid NaOH is dissolved in 100g of water in a coffee cup calorimeter, all the reagents initially being at 20 degrees Celsius. Calculate the final temperature of the solution obtained, given the fallowing information: NaOH (s) ----> NaOH (aq) ................. deltaH = -43.0kJ

Reference no: EM13490001

Questions Cloud

Explain the respective standard reduction potential in volts : The respective standard reduction potential in volts for Ni2+ and Ag+ are -0.28 and +0.80. The oxidizing agent in a cell based on nickel and silver is a) Ni b) Ni2+ c) Ag+ d) Ag e) the salt bridge
What maximum elevation does the rocket reach : A test rocket is fired straight up from rest with a net acceleration of 20 m/s2. What maximum elevation does the rocket reach
Prepare an adjusted trial balance : Record depreciation using a 5-year life on the office equipment, the straight-line method, and no salvage value. Round to whole numbers. Also, record an adjustment for office supplies used in the amount of $510.
What are the components of the pinecones impact velocity : A pinecone falls straight down from a pine tree growing on a 20 degree slope. What are the components of the pinecone's impact velocity parallel and perpendicular to the ground
Evaluate the final temperature of the solution obtained : a 2.53g of solid NaOH is dissolved in 100g of water in a coffee cup calorimeter, all the reagents initially being at 20 degrees Celsius. Calculate the final temperature of the solution obtained, given the fallowing information
Compute the tension in the line : An empty rubber balloon has a mass of 10-g. The balloon is filled with helium at a density of 181-kg/m^3. what is the tension in the line
How to prepare a statement of cash flows : At December 31, 009, Cash was $72,650, Accounts Receivable was $35,250, and Accounts Payable was $32,500. Prepare a statement of cash flows for the year 2009 for Lander.
Explain the weakest n-to-o covalent bond : Explain which of the following species has the weakest N-to-O covalent bond: HONO, NO2-, NO2, N2O, NO3-
Determine the number of moles of air : The pressure of air in your house can stay constant during the day if the temperature rises. Determine the number of moles of air that leave the house during the day time

Reviews

Write a Review

Chemistry Questions & Answers

  Estimate total volume of hcl

A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?

  What is the equilibrium concentration of h2s(g)

Kc = 9.7 at 900 K for the reaction NH3(g) + H2S(g) --> NH4HS(s) If the initial concentrations of NH3(g) and H2S(g) are 2.0 M, what is the equilibrium concentration of H2S(g)?

  Define the total average change in ke of gas molecules

A container holds 2,0 of gas. the total average change in KE of gas molecules in the container is equal to the the sum of KE of an 8,0x10^-3 -Kg bullet with speed of 770 m/s.

  State the charge and full ground-state electron

Write the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by P

  A compound reacts with water to give dimethylmalonic acid

Compound A reacts with water to give dimethylmalonic acid and with methanol to give the monomethyl ester of the same acid. (Compound A was unknown until its preparation in 1978 by chemists at the University of California, San Diego.)

  State chlorine will spontaneously react with iodide

Chlorine will spontaneously react with iodide to produce chloride and iodine.

  Explain what is the molarity of tce in home

The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethylene (TCE, C2Cl4) in drinking water of 0.005 ppm (by mass).

  What is the total combined mass of carbon dioxide and water

an An automobile gasoline tank holds 42 kg of gasoline. When the gasoline burns , 168 kg of oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced

  A helium-filled weather balloon has a volume of 815 l at

a helium-filled weather balloon has a volume of 815 l at 22 oc and 752 mmhg. it is released and rises to an altitude of

  Explain aqueous potassium carbonate or aqueous lithium

An unknown white solid is either NaC2H3O2, AgNO3 or BaCl2. The white solid dissolves in water. The dissolved unknown precipitates when either aqueous potassium carbonate or aqueous lithium bromide is added. What is the unknown

  What is the expected cylinder temperature

The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the expected cylinder temperature if the gas was initially 15°C?

  Explain a certain reaction has an equilibrium constant

A certain reaction has an equilibrium constant of 300 at 25 degrees celsius and 309 at 35 degrees celsius. What is deltaH^0 per mole for this reaction

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