Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Calculate the concentration of I - in a solution obtained by shaking 0.20M KI with an excess of AgCl(s)
The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the equation 3H2+N2=2NH3
What volume of the stock solution 1.05 M would contain the number of moles present in the diluted solution 8.00×10?2 mole
The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g of luminol to creating a solution with a total volume of 75.0 mL.
The first-order decomposition of S2O6(g) to form SO3(g), has a half-life of 1.262 x 10-3 s at 45oC. How long will it take for 60% of a 0.34 M sample to decompose at 45oC
If 18.8 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia
HNO3 was required for complete reaction with 0.8784+or- 0.0008g of Na2CO3 (FM 105.988+or- 0.001). Find the molarity of the HNO3 and its absolute uncertainty
A student prepared a saturated solution of copper (II) tartrate by cooling it to 10 degrees C. While the solution was still cool, the concentration of copper (II) was determined. How would the value
Hydrochloric acid is added to zinc. How many mls of 0.500 M HCl are needed to react completely with 25.0 g of zinc metal
A solution is made by combining 15.0mL of 18.5M acetic acid with 5.60g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
Calculate the concentration of I- in a solution obtained by shaking 0.20M KI with an excess of AgCl. the answer is not 9.23*10^-9
Explain what happens upon addition to a strong acid to the following equilibrium without using the Le Chatelier principle. What happens upon addition of a strong base
An amount of 0.500 grams of NH4Cl was added to 50.0 mL of the solution in Problem 1 above. Use the Keq calculated from problem 1 to calculate the pH of this solution.
A 0.13 M solution of a weak monoprotic acid has a pH of 4.11. what is the Ka of this weak monoprotic acid
10 mL of 0.1 M NaOH is added to 50 mL of 0.1 M of the hypothetical acid HA. write the chemical equation and calculate the molarity of NaA and HA in the final solution.
After 20 min, a reactant has decomposed to 85% of its original concentration. What additional information would allow you to solve for k
The rate of the following reaction is 0.120 M/s. What is the relative rate of change of each species in the reaction
Octane or C8H18 (l) is a component of gasoline. If 35.0 mol O2 (g) in the air is used to burn a sample of octane completely. How many grams of carbon dioxide gas are produced
What volume of 0.862 M KOH solution is required to make 3.75 L of a solution with pH of 12.8
If you used a concentration of 0.0065 M sodium thiosulfate instead of 0.0050 M sodium thiosulfate called for in reaction 1, what effects would this have, if any, on the rate of the reaction
Determine the correct formula for this compound; use the "rule of 13" and substitute in O's and N's to generate the possible formulas (ie do not simply use online software to do this problem).
Using the fact that on the surface of the Earth, where g is constant, 1 kg has a weight of 2.2 lbs, find your mass in kg. C) Convert your height in feet and inches into meters (1 ft = 30.48 cm; 1 in
Assuming that an enzyme uses a mechanism similar to that of chymotrypsin, determine which residue of the catalytic triad (Asp, His, Ser) corresponds to pKa of 6.25 and 8.75.
A certain reaction with an activation energy of 185 kJ/mol was run at 485K and again at 505K. What is the ratio of f at the higher temperature to f at the lower temperature