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When 37.0 mL of 0.640 M H2SO4 is added to 37.0 mL of 1.28 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water: d = 1.00 g/mL and c = 4.184 J/g×K.) H per mole of H2SO4 reacted: kJ/mol H per mole of KOH reacted
if 2.325g of an unknown acid compound is made up to 200.0 mL with water. 10.00 mL of the resulting solution requires 15.43 mL of 0.1808 M NaOH.
Describe briefly four types of batteries. In your description, include the redox reactions
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
Determine the Keq for the reaction of benzoic acid with 4-nitroaniline.
Derive parameters of the critical point for the Dieterici equation of state: p(V - b) = RTe^(-a/RTV). A sample of nitrogen of mass 3.12 g at 23 C is allowed to expand reversibly and adiabatically
In the process of recrystallization, sometimes, it's necessary to scratch the side of the flask with a glass rod. What does this do
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
As a technician in a large pharmaceutical research firm, you need to produce 350.mL of 1.00 M potassium phosphate buffer solution of pH = 6.87. The pKa of H2PO4- is 7.21.
A heat lamp produces 20.0 watts of power at a wavelength of 5.7?m .How many photons are emitted per second?
Isra fills two identical balloons at identical temperatures. She fills one with O2 gas and the other with O3 gas. Which balloon will deflate faster? Why?
Name the alkyl branch present on the ring of ibuprofen that is across from the acid functional group
how much work can be done by the engine as it operates through one cycle, how much heat is given off during the isothermal compression, what is the entropy change (for the gas) during the isothermal compression
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