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Suppose a 1.50 kg object is suspended from the end of a silicone band. When the object is pulled down and released, the band vibrates at a frequency of 2.08 s-1. Calculate the spring constant of this silicone band including units.
A 15 L flask containing a sample of nitromethane is filled with O2 and the flask is heated to 100 celcius. At this temperture, and after the reaction is complete
you perform a titration between a solution of ammonium (Kb = 1.8*10^-5) and HCL. you have a 200 ml of 50.0mM ammonium solution titrated against
How much heat is absorbed by 100 mL of a dilute solution of NH4NO3 as it changes its temperature from 22.4 degrees C
A mixture of 1 atm chlorine gas and 1 atm oxygen gas and no product undergoes this reaction. Cl2 + 2 O2 ---> 2 ClO2 What equation would be used to solve for the equilibrium concentrations
What is the concentration of g salt per 100 g water of a saturated solution in which 3.82 g of salt are dissolved in 9.54 g of water?
What is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01 M Ag(NH3)2+ solution
Show the chemical equation of chloroform and a base such as potassium t-butoxide or sodium hydroxide dissolved in water to make a dichlorocarbene and other products.
Calculate the PH of this solution.
A 253 mL benzene solution containing 2.61 g of an organic polymer has an osmotic pressure of 8.63 mmHg at 21°C. Calculate the molar mass of the polymer
When a molecule forms a hydrogen-bonded dimer as shown in your lab manual on pg 162 or is an electrolyte, you need to account for Van't Hoff factors. For the dimer shown in manual
The answer to formula and calculation, survey of physical chemistry, State all of the assumptions (e.g. ideal gas etc). (previous reaction is 2H??2(g) + O2(g) ----> 2H2O(g))
What is the sum of the coefficients in the balanced equation that represents the complete combustion of the relatively new gasoline additive "MTBE," for which the molecular formula is C5H12O?
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