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When the atmospheric pressure is 1050 , what is the absolute pressure (in ) in the tank if the height of the mercury in the open tube is 25.0 higher than the mercury in the tube connected to the tank?
Calculate the vitamin C content of a green pepper (mg vitamin C/g green pepper) if 19 grams of green pepper was extracted into a total extract volume of 54 mLs. Then 5.00 mL of the extract was titrated to the endpoint with 16 mLs of N-bromosuccini..
A 1.994-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4 is heated at a temperature greater than 170 C in a crucible until a constant mass is reached. The mass of the anhydrous CaSO4 salt is 1.577 g.
When a basic solution of Cr(OH)4- ion is slowly acidified, solid Cr(OH)3 precipitates out and then redissolves in excess acid. If Cr(OH)4- exists as Cr(H2O)2(OH)4-, write equations that represent these two reactions.
Calculate the volume of 1M solution of HCL needed for 1 unit shift of the pH of the following solutions: A. 100 mL of 0.01 M solution weak acid (pKa = 6) and 0.05 M of its sodium salt
Write the dissolution reaction for the ionic solids below. Use the lowest possible coefficients. Include states-of-matter under the given
What is the total number of compounds, stereoisomers included, designated by the general name dichlorocyclopentane
a box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
What is the freezing point of a solution containing 3.10 grams benzene (78.11 g/mol) dissolved in 32.0 grams paradichlorobenzene
A solution containing 0.2 g/mL of a pure R enantiomer in a 1 dm polarimeter rotataes plane polarized light by +3 degrees. What is the specific rotation of the R isomer. What will be the specific rotation of its S isomer
a balloon has a volume of 1.20 L at 24 degrees C. the balloon is heated to 48 degrees C. calculate the new volume of the balloon.
For the reaction: CO(g) + 2H2(g) = CH3OH(g) Kp = 2.26 X 10^4 at 25C Calculate Delta Grxn for the following conditions: P(CH3OH) = 1.0 atm P(CO) = P(H2) = 0.010atm
Assuming 100% yield, calculate the final concentrations of reactants and products. Calculate the pH of the final solution
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