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1. KClO3 decomposes according to the reaction: 2KClO3 → 2KCl + 3O2If the rate of decomposition of potassium chlorate at a certain time is determined to be 2.4 x 10-2 mol s-1, what is the rate of formation of KCl at the same time?
2. The rate law for a reaction involving only A and B is 1st order in A and 4th order in B, respectively. If the concentration of A is increased by a factor of 4 and the concentration of B is tripled the new rate will be:
3. The reaction D ---> products is first order, and the rate constant is 2.7 x 10-4 s-1. If the initial concentration of D is 3.00 M, then what is the final concentration of D after 1.1 hr?
how much heat is needed to vaporize 2.42 g of liquid oxygen if the molar heat of vaporization for oxygen is 1629
If two different substances have the same or nearly the same Rf values, it is difficult to separate these materials in a mixture. How could this experiment be changed to separate such a mixture
Cr2 O72- (aq) + Cu(s)→Cr3+ (aq) + Cu2+ Balance the equation in acidic solution and find out how much of a 0.850 M K2 Cr2 O7 solution is required to completely dissolve 5.25 g of Cu.
A solution of malonic acid, H2C3H2O4 was standardized by titration w.1000M NaOH solution. If 20.76 mL of the NaOH solution were required to neutralize completely 13.15 mL of the malonic acid solution
a calcium supplement is being analyzed for calcium by gravimetric analysis. the initial mass of the tablet used was
The rate constant for the following equation is 0.0391 M-1 · s-1. We start with 0.238 mol C2F4 in a 4.00-liter container, with no C4F8 initially present. 2C2F4 ?C4F8.
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,
Predict the products of the acid-base reaction between acetic acid and methanamine. Draw the molecules or ions and include charges were needed.
Choose the answer in which the two atoms are listed in order of increasing ionization energy
Cad4U a local metal processing facility is at present violating its discharge permits for dissolved cadmium, Cd2+. The regulations are based on activity rather than concentration as well as so the savvy ore unethical chief chemist decided to alter..
A compound called pyrene has the empirical formula C8H5 . When 4.04 g of pyrene is dissolved in 10.00 g of benzene, the boiling point of the solution is 85.1°C.
Compute the molality of a solution made by mixing 16.9 g of urea, (NH2)2CO in 421.01 g of water.
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