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!
A student burns paraffin oil in a tea light to test the efficiency of the calorimeter. Given qcal=15881.8 J and the following, calculate the efficiency of the calorimeter
there are two natuarlly occuring isotopes of rubidum. (85)Rb has a mass of84.9118 amu. (87)Rb has a mass of 86.9092 amu. Determine the abundance of each isotpe.
The highest principle quantum number of period 3 elements is 4. 5. Period 3 elements have six 2p electrons. 6. The valence electrons of group 2A elements are in an s subshell. 7. The valence electrons of group 5A elemnts are in the 6s subshell. 8...
What is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5 with 40.0 g of calcium based on the following chemical reaction?
A reaction has a rate constant of 1.26x10-4/s at 26 degrees Celsius and 0.234/s at 76 degrees Celsius- find out the activation barrier for the reaction
Problem- NH3 is a weak base ( kb=1.8 x10-5) and so the salt NH4CL acts as a weak acid. What is the Ph of solution that is 0.015M in NH4CL
The directions say to set these out in the garden before the last frost; after about 4 days, you can plant frost sensitive plants without worrying about them freezing to death. What are the physical principles behind how they might work
what is the molarity of a solution containing 7.0 moles of solute in 4300 mL of solution?
At high temperature, ammonia reduces copper(II) oxide to the free metal: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g) Step 2: 2NH3(g) + 3Cu2O(s) => N2(g) + 6Cu(s) + 3H2O(g)
Part2: A solution of NaOH ( aq) contains 5.9 g of NaOH( s) per 100.0 ML of solution calculate the pH and the POH of the Solution at 25 C
Add an equal number of moles of nitrogen as well as hydrogen gases in a balloon. The volume of the balloon is 1.00 L previous to any reaction occurs. Find out the volume of the balloon subsequent to the reaction is complete. Presume constant tempe..
a compound is constituted by mass of 22.6 phosphorus the rest being chlorine. given that a volume of 307 ml of the gas
The flask was filled to the calibration mark with water, and the contents were thoroughly mixed. What were the equilibrium concentrations of H+, Na+, H2PO-4 , and HPO-2 in the resultant solution? Ka1 = 7.1x10-3, Ka2 = 6.3x10-8, and Ka3 = 4.2x10-13..
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