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Given the equation HCl + NaOH--> H2O + Na+ Cl-, how many moles of water are produced in this reaction? Additional info: .500M HCl used, .500 M NaOH used, and delta H^0 is known to be -57.86 kJ/mol water formed
Suppose a sample containing 1.200g of Compound X is heated in 25.0 mL of heptane. What is the minimum temperature required to dissolve the sample. If the sample were then cooled to 0 degrees, what would the percent recovery of the solid that would..
Using a table of standard reductions, determine what the potential of each reduction below would be versus the S.C.E. a. Ag+ (aq) + e - ? A(s) b. Ni2+(aq) + 2e- ? Ni (s)
Calculate SO (universe) for the formation of 1.00 mol of HCl (g) from gaseous hydrogen and chlorine at 25 OC. Is the reaction spontaneous at that temperature
What are the concentrations of each of the ions in a saturated solution of PbBr2, given the Ksp of PbBr2 is 2.1 x 10^-6?
For the acid-base titration combination of NaOH with 1.5 mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl. Answer in units of mol.
Dinitrogen pentoxide, N2O5, decomposes in the gas phase to form nitrogen dioxide, NO2, and oxygen gas, O2. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 C.
The emission spectrum of an unknown element contains two lines-one in the visible portion of spectrum and the other
All organic (carbon-cointaining) products and cataloytic conditons must be shown as well as multiplel products. Studying for final. 2,4dimethypent-2- is the starting product
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+
If it takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same conditions, what is the molecular mass of the gas?
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
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