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Whats the thermochemical equation that represent the formation of butane?
Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 21 degrees Celcius.
what are the [H3O^+] and OH^-] for a solution with each of the following pH values? a)10.0 b)5.0 c)6.5 d)1.82
a 25-rm g sample of an alloy at 88circ c is placed in 50. rm g water at 13circ c. if the final temperature reached by
a calorimeter contains 25.0 grams of water at the temperature of fifteen degree celsius . when 2.10 grams of a
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. It then gives off a photon having a wavelength of 1.0 × 103 nm.
In lab we are doing chemical kinetics. We started off with 0.7550 M of Oxalic acid and then added water and 0.1300 M of Permanganate. For the first trial, 5 mL of Oxalic acid was used, then 6 mL of water were added and then 1 mL of Permanganate we..
NO is produced in the atmosphere at moderately low partial pressure by high temperature combustion. What is its fate as cooling occurs? To help address the question, calculate the equilibrium constant at 298 K and 1300 K for each reaction
The total amount of water runoff from the road is equal to a volume that would make the water on the roadway be at a depth of 0.4 inches if it all stayed on the roadway.
What is the maximum mass of S8 that can be produced by combining 80.0g of each reactant? 8SO2+16H2S -> 3S8 + 16H2O
A tanker truck carrying 6.05×103 of concentrated sulfuric acid solution tips over and spills its load. The sulfuric acid solution is 95.0 by mass and has a density of 1.84 Sodium carbonate (NaCO3) is used to neutralize the sulfuric acid spill.
Calculate the average atomic made of boron which has 2 isotopes. Boron-10 has an abundance of 19.9% and boron-11 has an abundance of 80.1%.
Calculate the equilibrium constant for the following reaction at 298K and biological standard state: CH3CHO +NADH +H+ --> C2H5OH + NAD+ E° ?= -0.197V for the CH3CHO/ C2H5OH couple.
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