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A 7.96 gram sample of silver reacts with oxygen to form 8.55 gram of the metal oxide. What is the formula of the oxide?
Problem- Predict the organic product formed when BzCl reacts with isopropyl alcohol. BzCl = benzoyl chloride.
What is the probability of finding a particle of mass m in (a) the left-hand and one-third, (b) the central one-third, and (c) the right-hand one-third
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction.
42 grams of a mystery powder was heated from 36.0 degrees celcius to 65.0 degrees celcius. the powder absorbed 5895 j of energy. what is the specific heat of the powder?
the active ingredient in toothpaste is sodium fluoride, an anticavity agent. a 170 g tube of toothpaste lists the concentration of sodium fluoride a s0.24%. how many grams of sodium fluoride are in a toothpaste.
Acetic acid solution is titrated with NaOH solution. What is the pH at half the euivalence point?
What volume of 0.855 M KOH solution is required to make 3.55 L of a solution with pH of 12.4?
The methane (CH4) gas in a 10.00L container at 305oC and 101 kPa pressure was burned in excess oxygen. What is the mass of carbon dioxide added to the atmosphere from this combustion
aliquot of 0.0529 m H2SO4 (aq) is to be titrated with 0.0411 m NaOH (aq). What Volume (mL) of base will it take to reach the equivalence point?
The standard enthalpy and entropy for a slightly soluble salt at 25 degrees C were determined to be 36 kJ and 47 J/K respectively. Calculate the standard Gibbs Free Energy for this salt.
The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas
When 20.0 grams of an unknown compound are dissolved in 500. grams of benzene, the freezing point of the resulting solution is 3.77°C. The freezing point of pure benzene is 5.48°C, and Kf for benzene is 5.12°C/m. What is the molecular weight of th..
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