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Based on the results of your tests you have find out chemical formula for copper (II) sulfide. Define how you determined this from the excess reagents as well as the amount of precipitate formed in the lab.
Bovine serum albumin (BSA) is a biochemically useful protein. A 0.225 gram sample of bovine serum albumin is dissolved in water to make 0.117 L of solution,
write the balanced equation for the reaction for delta h is the lattice energy for potassium
The vapor pressure of dichloromethane at 0C is 134mmHg. The normal boiling point of dichloromethane is 40C. Calculate its molar heat of vaporization.
combustion of 1.96g of a compound containing only hydrogen and carbon produced 6.35g of co2 and 2.25g of h2o. the
Find the pH of the equivalence point and the volume (mL) of 0.0746 M KOH needed to reach the equivalence point in the titration of 23.4 mL of 0.0390 M HNO2.
For the reaction NO2(g) + CO(g) => NO(g) + CO2(g) at temperatures below 500 K, the rate law is rate = k [NO2]2. Which mechanism is consistent with this information. Mechanism 1 NO2 + NO2 => NO3 + NO slow CO + NO3 => CO2 + NO2 fast Mechanism 2 NO2 ..
If one cubic centimeter section of a reactor has a macroscopic fission cross section of 0.989 cm-1, and if the thermal neutron flux is 1x10^15 n/cm2 s, calculate the fission rate per cubic centimeter.
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.299 g sample was studied by combustion analysis, 0.537 g of CO2 and 0.0727 g of H2O formed.
Which of the following molecular geometries could lead to linear molecule after removal of one atom?
If 10.00 mL of 0.050M KI solution is mixed with 40.00 mL of other reagents what would be diluted concentration of KI
Calculate the pH of the following solution: A solution prepared by mixing 10.00 mL of 0.500 M acetic acid with 0.353 g of sodium acetate (NaCH3CO2) and diluting to 250.00 mL
How many milliliters (mL) of a 0.200 M H2SO4 solution is needed to completely neutralize 20.41 mL of 0.280 M NaOH
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