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What is the pH of a solution created by mixing 183 mL of a 0.94 NaHSO3 solution with 110 mL of a 1.12 M Na2SO3 solution?
At what temperature would the rms speed of atoms in an Ar(g) sample equal that of atoms in a He(g) sample at SATP
HCL acid solution is standardized using 0.502g of sodium carbonate. Find the molarity of the acid if 30.5mL are required for the titration.
Determine the partial pressures of each of the reactants CH4 O2 NO in the flask and the partial pressures and of each of the products and the total pressure in the flask
Use the wattage of the lightbulb and the time it is on to calculate the change in energy in joules. (assume that the cylinder and lightbulb assembly is the system and assume two significant figures).
given the reaction ca 2h2o rarr caoh2 h2what is the total number of moles of ca needed to react completely with 4.0
Silver chloride, often used in silver plating, contains 75.27% Ag.Calculate the mass of silver chloride in grams required to make 4.4 grams of silver plating.
acetylene gas c2h2 used in welding produces an extremely hot ?ame when it burns in pure oxygen according to the
When boron triflouride is added to ammonia gas, does boron triflouride act as a lewis acid or a lewis base?
A 1.00L Solution contains 3.50x10^-4 M Cu(NO3)2 and 2.20x10^-3M ethylenediamine(en). The kf for Cu(en)2^2+ is 1x10^20. What is the concentration of Cu2+(aq) in the solution
A 31.0-g sample of water at 270. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A chemist has synthesized two new dyes based on the molecular structure of plant-based dye
if 28ml of 6.2 m sulphuric acid was spilled determine what is the minimum mass of sodium bicarbonate or sodium hydrogen
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