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The recommended concentration is 1.7% W/V. What mass of TSP is needed to make 3.0 L of solution?
A formula for anti-fungal shampoo contains 2.0% W/V ketoconazole. How many litres of shampoo could be made with 42 g of ketoconazole?
The "colbalt treatments" used in medicine for arresting certain types of cancer rely upon the ability of gamma rays to destroy canercous tissues. Cobalt-60 decays with the emission of Beta particles and gamma rays, with a half life of 5.27 years. ..
What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water. Enter your answer in kilojoules per mole of compound t..
Explain the record for the fastest marathon run is 26.164 miles in 2.08 hours. If the runner were a progressive wave, explain how quickly would he be traveling in m s-1
How many grams of Fe(NO3)3 · 9 H2O are required to prepare 300.0 mL of a 0.249 M solution of Fe(NO3)3 · 9 H2O?
an analysis of drinking water found it to have 4.5 ppb parts per billion of arsenic. how many grams of arsenic are in a
Problem- Calculate the pH of a buffer solution that is 0.60 M in NH4Cl and 0.75 M in NH3. (K b = 1.8 x10^-5 for NH3)
Based on their reduction potentials, what are the most likely cathode products in the electrolysis of an aqueous solution containing 1M LiCl, 1M FeCl2 and 1M CoCl2
A project charter is a project artifact that defines the project. A project charter defines the scope, objectives, assumptions, constraints, high-level timeline and budget, and stakeholders. For this assignment, create a project charter for a proj..
Gaseous [Br2] decomposes at 573 K Br2(g) 2 Br(g) In a 1.26-L flask 0.086 mol of Br2 are placed and heated to 573 K. Measurements determine that Br2 is 3.7 % dissociated at this temperature. Explain what is the value of Kc for this reaction
a mixture of 0.47 mole of H2 and 3.59 moles of HCl is heatedto 2800 degrees C. Calculate the equilibrium partial pressures of H2, Cl2,and HCl if the total pressure is 2.00 atm. For the reaction:
A galvanic cell Zn / Zn2+ // Cu2+ / Cu generates a current of 4.00 Amperes for 1.00 hour. The cathode increases in mass by 10.0g . If charge on an electron is 1.602 x 10-19 coulombs/ electron.
Calculate Kp at this temperature. b. Would an increase or decrease in temperature lead to the production of more ammonia c. List two other things you could alter experimentally to increase the amount of ammonia (note: don't use the same effect and..
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