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A gas company in Boston charges $1.30 for 15.0ft3(cube) of natural gas,if it takes 0.304ft3(cube) of gas to boil a liter of water.starting at room temperature(25 degree Celsius),how much would it cost to boil 2.1-L kettle of water?
application of ideal gas law.a certain amount of gas at 25 degrees c and at a pressure of 0.800 atm is contained in a
What is the concentration of hydroxide ion in a 0.27 M aqueous solution of hydroxylamine, NH2OH? Please be detailed on how Kb is found.
What is the formula and name for the following (1) KOH+HBr,(2) Zn+AgNO3,(3) K+NaCl, (4) HCl+NaOH (5) BaCl2+NaSO4 (6) H2+O2
What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate. What percentage of the Ca2 (aq) can be separated from the Ag (aq) by selective precipitation
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 degrees C. The initial concentrations of Pb2+ and Cu2+ are 5.00×10^?2 M and 1.50 M , respectively.
a patients blood work showed hco3- 32 meql and pco2 42 mmhg. what is the patients blood ph? what condition does the
a 340 g aluminum cup holds and is in thermal equilibrium with 750 g of water at 83degc. the combination of cup and
For a solution having 1.00 x 10^-3 equivalents/L total alkalinity (contributions from HCO3-, CO32- and OH-) at [H+] = 4.69 x 10^-11, what is the percentage contribution to alkalinity from CO32-
The molecular shape of [TeF3 ]-1 is: A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
0.100 moles of NaOH are combined with 0.125 moles acetic acid. The mixture is taken to a final volume of 100.0 ml. What is the expected pH of the solution. Ka = 1.76 x 10^-5
Compare trials 1 and 2 to determine the order of reaction with respect to iodide ions. How did the concentration of iodide ions change in these two trials, and how did the rate change accordingly? What is the reaction order for iodide?
If an aqueous solution has a hydronium ion concentration ([H3O+]) of 5.10 x 10-9 mol/L, what is the hydroxide ion concentration ([OH-]) in the solution
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