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The halogens from a series of compounds with each other; which are called interhalogens. Examples are BrCl, IBr, BrF, and ClF. Which compound is expected to have the highest boiling point aqt any given pressure? Please explain why
Calculate the molarity of a solution of glycerol made by dissolving 59.000 mL glycerol at 15 degrees celcius in enough water to make 380.00 mL of solution
graduated cylinder contains 155 of water. A 19.0 piece of iron (density = 7.86 ) and a 18.0 piece of lead are added. What is the new water level in the cylinder?
How many grams of dry NH4Cl need to be added to 2.00 of a 0.100 M solution of ammonia, , to prepare a buffer solution that has a of 8.64? Ka for ammonia is 1.8*10^-5.
A room contains 46 of air.How many kilowatt-hours of energy are necessary to heat the air in the house from 9 to 30? The heat capacity of air is 1.03.
The density of benzene at 15C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
A certain constant-pressure reaction is nonspontaneous at 45oC. The entropy change for the reaction is +72 J/K. What can you conclude about the sign and magnitude of the enthalpy
Buffering Action of Proteins, We did this experiment in class but I want to see if the results seem reasonable and, if so, why they were not more varied.
dissolved in 100.0 mL water and titrated with 0.500 M NaOH; it takes 45.1 mL to reach the equivalence point. What is the molecular mass (g/mol) of pyruvic acid?
How many molecules of actin can a muscle cell hold. Given: cell is spherical and has no other components with a diameter of 50 micrometers. Diameter of actin is 3.8 nanometers.
Calculate the molecular weights of the 5 congeners listed above. What do the trends of log KOA, log KOW, and the negative log of water solubility vs. molecular weight indicate about the relationship between molecular weight and
What is the magnitude of the change in pH when 1.8 g of NaOH is added to 1.00 L of a solution that is 0.100 M in NH3 and 0.100 M in NH4Cl?
Explain the factors that affect rate and relative reactivity. Use a mechanism(s) and reactions to support your claims.
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