Math
A recipe for fruit punch calls for 2 1/2 c of orange juice, 1 1/3 c of pineapple juice, and 1 3/4 c of soda water. If June makes 4 times the recipe, how many cups of fruit punch will she have?
Chemistry
7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.
Chemistry
7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.
Chemistry
Calculate the pH of a buffer solution containing 1.0 M ammonia (NH3 ; Kb = 1.8 x 10-5) and 1.0 M ammonium chloride (NH4Cl).
Chem
What is the maximum Cu2+ concentration possible in a solution that has a 7.4 E -5 M sulfide ion concentration without precipating CuS? For CuS, Ksp= 6.0 E -36
Statistics
A coin is tossed 10 times. What is the probability that the third head will apear on the tenth toss?
algebra
From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 10 miles per hour and Fred rides 12 miles per hour. In how many hours will they be 55 miles apart?
Science
What happens to make ice change into liquid and why does liquid water become a gas?
Physics
how far from the center of the earth would a person with a weight of 469N on earth have to be to have a weight off 55.4N?
accounting
Acme Corporation issued $650,000, 8%, bonds for $720,000. Was the market rate on the date of issue higher than, lower than, or equal to the stated rate of interest?
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