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What mass of O2 in grams is required for complete combustion of 25.5 g of CH4? What is the total mass of product expected from the combustion of 25.5 g of methane?
Determine whether each of the phrases or examples describes a thioester, reduced cofactor, or phosphorylated compound:
Nitrogen triflouride decomposes to form nitrogen and flourine gases according to the following equation: 2NF3 (g) N2(g) + 3F2(g) when 2.06 mol of NF3 is placed in a 2.00-lcontainer and allowed to come to equalibriumk at 800k,
The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g
Assuming a tank temperature of 16oC, what mass of oxygen is contained in the two tanks?
Calculate the pH of a solution formed by mixing 196.0 mL of 0.100 M NaF and 198.0 mL of 0.025 M HCl.
how many moles of calcium chloride, cacl2, can be added to 1.5 liters of .020 M potassium sulfate, k2so4, before a precipitate is expected? assume that the volume of the solution is not changed significantly by the addition of magnesium sulfate.
Given that 4NH3(g)+5 O2(g)---> 4NO (g)+ 6H2O (g), If 8.2 moles of NH3 React with sufficient oxygen, how many moles of water will be formed?
what is the density in gml of a sphere with a diameter of 4cm and a mass of 1.35 grams? what is the percent error if
The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
How many significant figures are contained in each of the following numbers? a) 0.9463 b) 0.08206 c) 6.0255 x 10^23 d) 1.0 x 10^-12 e) 1010
A 10.3 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
The Ksp of calcium hydroxide, Ca(OH)2, is 5.02 × 10-6. Calculate the solubility of this compound in g/L.
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