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A 7.3648 g sample of an oxide of mercury, when heated in a stream of hydrogen, produces Hg() and 0.6126 g H2O. What is formula for the compound?
If a 10.00mL sample of unknown concentration of HF is titrated with 28.94mL of 0.1040M NaOH, what is the concentration of HF
Consider a light-sensative reaction. What energy in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 793 kJ/mol. (Remember that there are Avogadro's number of photons per mole of photons.)
Write down the Dieterici equation of state. Next, determine internal pressure for the Dieterici gas.Justify the form of the expression obtained.
1. a 50 ml solution of h2so4 is titrated with 0.070 mkoh. the second equivalence point is reached when 35.5 ml ofbase
A particular element M has a heat capacity of 0.36 JgK and it forms an oxide that contains 2.9 grams of M per gram of oxygen What is the molar mass of the metal
The decomposition of ozone in the upper atmosphere is facilitated by NO. The overall reaction and the rate law are O3 + O ---> 2O2 rate = k[O3][NO]
Explain ammonia reacts with oxygen at 120 degrees Celsius to form nitrogen monoxide as well as water in a sealed 40-L container. Explain when 34 g of ammonia reacts with 96 g of oxygen Explain what is the partial pressure of the nitrogen monoxide
Calculate the distance (in Angstroms) and energy (KJ/mol) where the molecules are most attractive.
Calculate the entropy change for the vaporization of liquid methane and liquid hexane using the following data, Methane CH4 -- Boiling point= 112K Delta H(vap) = 8.20kJ/mol
If the colder block originally weighed 200g and the warmer one 100g, calculate the final temperature and the entropy change of the universe for this process.
A certain automobile of mass 1920 kg travels on a German autobahn at 120 km/h. What is the wavelength of the automobile?
Which solvent gave the fastest reaction; ethanol, or the ethanol/acetone mixture? Explain how the solvent affects the rate in the SN1 reaction.
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