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what is the total volume of gases produced by the combustiooon of 500g of butane. assume 1 atm, temp 28 degrees C and that water is produced as a gas. c4h10 + 6.5o2 = 4co2 + 5h2o
What is the value of Henry's law constant for N2 under these conditions?
The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(l) ->H°rxn = -5,314 kJ/mol What is the heat of combustion per gram of butane
A buffer solution is made by dissolving 0.4832 g NH_3 and 1.1032 g NH_4Cl in 250.0 mL water. then 25mL of .0500 M NaOH is added to the buffer solution
The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron.
Octane has a density of 0.692g/mL at 20 C. How many grams of O2 are required to burn 1.00 gal of C8H18?
Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point
Sample size is given as 10 grams - you need to measure weight since many of the materials contain solids as well as liquid. Identity and expected concentration of ingredient to analyze?
how many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3+6NO-- 5N2+6H2O
Some solid remained in the beaker after stirring with HCl. You washed the filter paper with ketone, which caught on fire and the filter paper was scorched
Calculate the CO3- concentration of a 5.45 x 10-4 M H2CO3 (carbonic acid) solution. Ka1 and Ka2 of carbonic acid are 4.3 x 10-7 and 4.8 x 10-11 respectively.
Write balanced chemical equations for the following reactions.
What is the temperature change If 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? It is given that the Specific heat capacity of Au= 0.128
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