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Question 1 consider your ln(rate) vs. 1000/T graph. Was teh data evenly distributed around the line or does the low (or high temperature endof the curve have more scatter than the other. is this result consistent with your observation? explain. question 2 The introduction state dthat often the rate doubles for each temperature increase of 10degree celcius. What value of the activation energy would cause the rate to double between 25~35degree celcius? ((k value) question 3 In this experiment you used a red colorimetric guide to establish the end of the reaction. would you expect to get the same value of the activation energy if yellow was chosen rather than red? support your answer with your observations of the reaction. Question 4 How would you answer to question 3 differ if the frequency factor rather than the activation energy were considered?
If 4.00 g of the unknown compound contained 0.133 mol of C and 0.267 mol of H, how many moles of oxygen, O, were in the sample?
How much would an empty volumetric flask, (weighing 27.16 grams, has a volume of 100.4 cm3 ) weigh when filled with bromine, an element that has a density of 3.1028 g/cm3.
What is the solubility in moles/liter for copper(II) iodate at 25 oC given a Ksp value of 1.4 x 10-7. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!).
What mass of hydrogen can be produced from 2.90 g of aluminum and 14.0 g of HCl in the above unbalanced reaction?
If there are three electrons in 2p, the electrons will differ in: a) principle quantum number b) secondary quantum number
A 86 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
Consider the combustion of ammonia: 4 NH3(g) + 3 O2(g) 2 N2(g) + 6 H2O(g). If N2 is produced at the rate of 0.63 mol/s, what is the rate of consumption of NH3?
Explain why the atomic mass of an atom is a decimal number and how that value was determined before being placed on the periodic table.
In the diels-alder reaction of cyclopentadiene and maleicanhydride what are the two side reactions of cyclopenadiene
If 56.4 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 748 mg sample of Na2SO4, what is the molarity of the solution?
Solutions of AgNO3 and KCl are combined and 0.683 g of a precipitate are formed. What is the precipitate and how many moles were formed.
When 325 g Bi2O3 reacts with excess carbon, how many moles of Bi are expected to form?
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