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!
Determine the change in temp of a 450 g sample of water at 20C that absorbs 65000J of engergy.
Ethanol (C2H5OH) boils at 78°C. Its density is 0.789g/mL. The enthalpy of vaporization is 38.56 kJ/mol. The specific heat of liquid ethanol is 2.3 J/g-K.
what law is illustrated by the fact that ice,water,and steam consist of 88.8% oxygen and 11.2% hydrogen by mass.
A vitamin tablet contains 789 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet? Enter your answer in scientific notation.
A binary compound of oxygen and an unknown element, X, has the formula XO and is 10.44 mass % oxygen.
At 25degree C in a mix o of N2O4 and NO2 in equilibrium at a total pressure of 0.844atm the partial pressure of N2O4 is 0.563. calculate Kp for
Consider to the structure of 1,3-biphosphoglycerate provide one chemical instance for the large Delta(G)Prime value of the compound.
Identify which will be warmer if you heat equal masses of gold and iron starting at room temperature with 1 kJ of energy
At 200 deg C, K = 0.009 for the reaction: NH4SH (s) -> NH3 (g) + H2S (g). A sample of solid NH4SH is placed into a container and allowed to equilibrate. What is the equilibrium partial pressure of ammonia, assuming some solid NH4SH remains
determine the amount of heat (in kJ) given off when 1.42 * 10^4 g of NO2 is produced according to the following equation : 2 No(g) + o2(g) --> 2NO2(g) H = -114.6kj
What is the total work (in joules) in going from the initial to the final state by way of the preceding two steps? What would be the total work if the process were carried out reversibly?
37. A container of mass 25.00 g is found to have a total mass of 45.22 g when a sample of potassium nitrate is added. Determine the number of moles of potassium nitrate added to the container.38. A rock is found to have a mass of 33.8 g. When placed ..
A solution of H2SO4(aq) with a molal concentration of 6.25 m has a density of 1.300 g/mL. What is the molar concentration of this solution?
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