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A syrup is added to an empty container with a mass of 115.25g. When 0.100 pint of syrup is added,the total mass of the container and syrup is 182.48g.
acid precipitation is the term generally used to describe rain or snow that is more acidic than normal. one cause of
A 0.040 M solution of a monoprotic acid is 14 percent ionized. Calculate the ionization constant of the acid.
An electron is confined to a linear region with a length of the same orderas the diameter of an atom (about 100 pm).
when sodium bicarbonate nahco3s is heated sodium carbonate is produced with the evolution of water vapor and carbon
1. How large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine. The average person needs .84 kg of O2 per day.
Codeine (C18H21NO3) is a narcotic pain reliever that forms a salt with HCl. What is the pH of 0.069 M codeine hydrochloride (pKb of codeine is 5.80)
what mass of this substance must evaporate in order to freeze 190 of water initially at 24? the heat of fusion of water
Which compounds in problem are isomers? a)2-methylpropane b)2,4-dimethylpentane c)2,2-dimethylpentane d)4-ethyl-2-methylhexane e)2,3-dichloro-4-t-butylheptane f)4-ethyl-7-isopropyl-2,4,8-trimethyldecane g)4-isobutyl-3,4-dimethyl-5-sec-butyloctane..
what is the molar mass of the unknown liquid in g/mole?
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -7445 K. Calculate the activation energy for the reaction
What solution will have the lowest boiling point?? 0.075 M CaCl2 0.020 M Na3PO4 0.050 M KNO3 0.025 M NH4NO3 0.10 M C6H12C6
30.0 mL of 0.10 M Ca(NO3)2 and 15.0 mL of 0.20 M Na3PO4 solutions are mixed. After the reaction is complete, which of these ions has the lowest concentration in the final solution. (A) Na+ (B) NO3- (C) Ca2+ (D) PO43- answer is C. WHY.
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