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Mercury and Bromine will react with each other according to the reaction: Hg (l) + Br2 (l) ? HgBr2 (s) What mass of mercury (II) bromide can be produced from the reaction of 10.0 g Hg and 9.00 g Br2? How much of the excess reagent remains at the end of the experiment?
when 50. grams of ethane gas is burned completely in oxygen. Carbon dioxide and water vapor are produce. How many mole of water vapor are produced?
What volume will it occupy at each of the following temperatures if the pressure and number of moles are constant
how many seconds are required to produce 4.94 mg of chromium metal from an acidic solution of potassium dichromate
The atomic mass of boron is 10.81 g/mol. The two naturally occuring isotopes are B-10 with a mass of 10.0129 amu and B-11 with a mass of 11.0093 amu. Determine the percent of naturally occuring B-10.
the energy is 18.44 kj/mol and for the methyl group in equatorial position the energy was 8.66 KJ/mol based on this information which is more stable and why?
A 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 ?C to 70 ?C .What is the speci?c heat capacity of this liquid.
A 100-watt lightbulb radiates energy at a rate of 100 J/s.(The watt, a unit of power, or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second
A sample of nitrogen gas in a 4.7-L container at a temperature of 28°C exerts a pressure of 3.6 atm. Calculate the number of moles of gas in the sample.
it says that isothiocyanatech3ncss carbon atom actively responses to material that has nonbonding electronsuch as oh-.
an 11.0-g of NaCl is dissolved in 125 g of water, with both substance at 25.0'C. calculate the final temperature of the solution assuming no heat lost to the surrounding and assuming the solution has a specific heat capacity of 4.18J/'C g
A 3.0 x 10-2 mg sample of a protein is dissolved in water to make 0.25 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25C. What is the molar mass of the protein
Gluconeeogenesis a) occurs in the Golgi apparatus of skeletal muscle tissue b) is typically charaterized by increased flux of carbon skeletons from amino acid degradation into mitochondrial pools of pyruvate and oxaloacetate
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