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Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral.
a.) Al(NO3)3
b.) C2H5NH3NO3
c.) K2CO3
d.) RbI
e.) NH4ClO
Calculate the experimental percent by mass of copper in the sample and the theoretical mass percent of copper in copper (II) acetate monohydrate.
What volume of a 0.23 M solution of copper sulfate is needed to contain 3.21 millimoles of copper sulfate?
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
A 47.0 mL sample of gas in a cylinder is warmed from 28 degrees Celsius to 91 degrees Celsius. What is the final temperature?
At 25 degree celcius ,the second order reaction NOCL(g) - NO (g) + 1/2 CL2 (g) is 50 % complete after 5.82 hours when the initial concentration of Nitrosyl chloride is 4.46 ml/L.what time will it take for the reaction to be 75 % complete.
Furthermore, you conducted the experiment using Styrofoam coffee cups because of their effective insulation capabilities. Therefore, you were able to accurately measure the molar enthalpy change of the acid-base reaction.
Consider a light-sensative reaction. What energy in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 793 kJ/mol. (Remember that there are Avogadro's number of photons per mole of photons.)
Calculate the half-life (in s) of a first-order reaction if the concentration of the reactant is 0.0654 M 18.4 s after the reaction starts and is 0.0112 M 82.9 s after the reaction starts.
The value of ΔE for a certain change is 1325 J. During the change, the system releases 873 J of heat.How much work, expressed in joules, was involved?
if you started a ride with ice packs that held 1600g of frozen water at 0 degree celius, and the temperature of the water at the end of the ride is 32 degree celius, How many calories of heat energy were absorb
The expansion of an IDEAL GAS in a vacuum. Is it an endothermic process
Compute the pH if NaOH solution of the 10.00 mL has been mixed. pKa of HCOOH = 3.74
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