Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question- If a 5.26g sample of copper at 258 degrees Celsius is placed in 125 mL of water at 21.0 degrees celsius how hot will the water get? Assume no heat loss to the surroundings. The specific heat of copper is 0.385J/g*degrees Celsius.
Answer showing how to make each solution will get rated
Compute the amount of heat essential to fully sublime ninety grams of solid dry ice (CO 2 ) at its temperature of sublimation if it is given that the heat of sublimation for CO 2 = 32.3 kj/mol express your answers in kilojoules?
Assuming the volumes are additive, what is the [Cl-] in a solution obtained by mixing 225 mL of .625 M KCl and 615 mL of .385 M MgCl2
Nitric oxide reacts with chlorine to form nitrosyl chloride, NOCl. Use the following data to determine the rate equation for the reaction.
In the chemical reaction used in automotive air-bag safety systems, N2(g) is produced by the decompositon of sodium azide, NaN3, at a somewhat elevated temperature:
Problem- Determine the volume in mL of 0.24 M LiOH(aq) needed to reach the equivalence (stoichiometric) point in the titration of 23 mL of 0.28 M formic acid(aq). The Ka of formic acid is 1.8 x 10-4.
A car gets 9.2 kilometers to a liter of gasoline. Assuming that gasoline is 100% octane which has a specific gravity of .69, how many liters of air (21% oxygen by volume at STP) will be requiered to burn the gasoline for a 1250 km trip? assume com..
argon copper sodium chloride and carbon dioxide all crystallize in the face centered cubic fcc structure. how can this
f gas reacts with nh3 gas to produce n2f4 tetrafluorohydrazine or dinitrogen tetrafluoridenbspand hfhydrogen fluoride.
making it an excellent choice as a standard acid. What is the concentration of a NaOH solution, if it takes 62.00 mL to neutralize a 0.0778 g sample of the acid?
Problem- Changing the conditions of the reaction can alter the value of the change in free energy (?G). Sort the following conditions as to whether each would decrease the value of ?G, increase the value of ?G, or not change ?G for the reaction. F..
The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, calculate each of the following: molarity, molality, percent by mass, mol fraction, and mol percent.
What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.)
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd