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If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced?
How many milliliters of a stock solution of 10.0 M HNO_3 would you have to use to prepare 0.320 L of 0.550 M HNO_3?
if a molecule of a neon gas travels at an average of 400.m/s at a given temperature, estimates the average speed of a molucule of butane gas, C4H10, at the same temperature.
The reaction vessel feels cooler. b.The value of K becomes smaller. c.The equilibrium will shift to the left. d.The reaction vessel feels warmer.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water,
To make a 325 mL solution of 0.150 M NaCl, how many grams of NaCl need to be weighed out?
500cm3 of 0.250M of Na2SO4 is added to an aqueous solution of 15.0g of BaCl2 resulting in a white precipitate of insoluble BaSO4.
How much heat is evolved when 239 g of ammonia gas condenses to a liquid at its boiling point?
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
A patient needs to take 375 mg of ibuprofen twice daily. The pills in the bottle are each 250. rm mg. How many pills does the patient need to take each time she wants the 375 mg dosage? Assume that these pills are scored and can be cut in half if ..
Calculate the mass of the protein that must be dissolved in 40 mL of water to obtain this concentration
A 11.7 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
What is the structure for the indole that would be obtained from the phenylhydrazone
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