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in an experiment, we have accounted for the heat capacity for the heat capacity of the calorimeter in calculating the enthalpy of reaction. What effect would ignoring this have on the calculation?
You have a protein that undergoes conformational change from folded state(F) to unfolded state(U) depending on pH. For each state draw a graph for how scattering intensity might change with time.
Arrange these compounds in order of increasing boiling point: CH3CH2CH2OH CH3CH2CH3 CH3CH3 CH3CH2CH2Cl Rank from smallest to largest
The thallium (present as Tl2SO4) in a 6.05-g pesticide sample was precipitated as thallium(I)iodide. Calculate the mass percent of Tl2SO4 in the sample if 0.235g of TlI was recovered.
At constant pressure, 660 mL of nitrogen at 37°C are changed to 725 mL What is the new temperature of this gas?
A 35.00 mL sample of HNO3 solution is neutralized by exactly 42.63 mL of 0.4153 M KOH. What is the molarity of the HNO3 solution?
An airplane is pressurized to 650 mmHg, Which is the atmospheric pressure at a ski resort at 1.30 * 10^4ft alt?
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
Write a balanced net ionic equation for the reaction of KMnO4 with the saturated solution of CdC2O4 in diluted H2SO4. The major products are Mn2+ and CO1
a 6.0-g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine (en) is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction?
What is the mass of sulfur dioxide gas (SO2) at STP in 164 L of the sample?
A student in lab constructed an Ag+ sensor using the same procedure as in the Metal Ion Sensor lab that you performed. Titration of 10.00 mL of an AgNO3 solution diluted with 40.0 mL of DI water required 11.85 mL
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8*10^-5.
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