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Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm. Calculate ?E, ?H, and w for these processes. (See Table 9.1 for relevant data.) Cv J/K mol of C2H6 is 44.60 Cp J/K mol of C2H6 is 52.92 What is delta E, Delta H and W at constant volume and constant pressure in KJ
How many grams of dry need to be added to 1.50 of a 0.600 solution of ammonia, , to prepare a buffer solution that has a of 8.59? for ammonia is.
The bond angles in H3O+ are:? a) slightly less than 109.5o b) exactly 109.5o c) slightly less than 90o d) exactly 90o
Write the structure for the organic reagents and products, name the products and indicate stereochemistry when appropriate
If the reaction 2 NO(g) + O2(g) ? 2 NO2(g) is carried out at standard conditions, what is the total pressure. What is the temperature under standard conditions
What is the pH at the half-stoichiometric point (that is, what is the pH when you have added 50% of the total volume of base required to react with all of the acid originally present?)
Which substance would provide the best protection for an iron pipe buried in the ground? for a lead pipe. Ag, Au, Cu, Mg, and Zn
Write the balanced complete ionic equations and net ionic equations for the reactions that occur when each of the following solutions are mixed. AgNO3(aq) and K2SO4(aq)
Compare this general form of this phase diagram with the interactive phase diagram for CO_2 and classify points a through g on the phase diagram according to the number of phases present at each point.
Find the Qsp if The solubility product of Ag 2 CO 3 =6.2 × 10-12. Also determine whether a precipitate forms in the solution (Assume 20 dropsper milliliter.)
calculate teh PH of 2.0m NaCN. what is the concentration of HCN in the solution?
Determine the half-life of benzoyl peroxide in benzene at 60°C. By how much will the initiator concentration change after 90 minutes of polymerization? Assume kd=2.0x10^-6 L/mol-s
If 50.0 of ethanol (density 0.789g/mL) initially at 6.0 is mixed with 50.0 of water initially at 28.2 in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture?
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