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!
Problem- 61.4g unknown metal, with a molar mass 97.5 g/mol, has an initial temperature of 26.5oC. What is the final temperature when 1.10kJ of heat added to the metal?
Be required to respond all parts for five stars
calculate the heat released when 2.57 l of cl2g with a density of 1.88 gl reacts with an excess of sodium metal at
Write down the expression for the radial distribution function of a 3p electron in a hydrogenic atom and determine the radius ar which the electron is most likely to be found
if 6.73 g of Na2CO3 is dissolved in enough water to make 250 ml of solution, what is the molarity of the sodiam carbonate?
Then you precipitate the calcium ion in solution by adding sodium oxalate Na2C2O4. The precipitate is calcium oxalate, CaC2O4. You find that a sample of limestone weighing 128.3 mg gives 140.2 mg of CaC2O4. What is the mass % of calcium in the lim..
what volume of methane, measured at STP, must be burned? (ΔH°combustion for CH4 = -891 kJ/mol)
a at present in san jose the number of cars per capita is 1.5. in five years from now the number of cars per capita
Explain Copper crystallizes in a face-centered cubic unit cell with an edge length of 362pm. Explain what is the radius of a copper atom in pico meters. Explain what is the density of copper in g/cm3.
A 50.0 ml sample of 0.100 M HClO4 is titrated with 20.0 ml of 0.200 M NaOH. What is the pH of the resulting solution
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
One way to recrystallize a solute from a solution is to change the temperature. Another way is to evaporate solvent from the solution. A 340 g sample of a saturated solution of KNO3 in water is prepared at 25.0.
Urea (NH2CONH2) an important nitrogen fertilizer is produced industrially by the reaction given that ?G initial = -13.6KJ, calculate ?G at 298K for the following sets of conditions
a) Write the rate expression for this reaction. What is the rate appearance of D if the rate of dissappearance of A is 4.80x10^-6 M/sec?
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