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Propane, C3H8, is a component of natural gas. What is the molar mass of propane? How many grams of carbon are in 10 kg of propane?
A solution of Ba(OH)2 is standardized with potassium acid phthalate (abbreviated KHP), KHC8H8O4 (M = 204). If 1.530 g of KHP is titrated with 34.50 mL of the Ba(OH)2 solution, what is the molarity of Ba(OH)2. (A) 0.0217 M (B) 0.0435 M (C) 0.109 M ..
calculate the number of oxygen molecules released when 1g of silver oxide is broken down.
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000) to about 60,000 (60,000,000)
Calculate the molality of a 20.0 per cent by weight aqueous solution of NH4Cl. (Molecular weight: NH4Cl = 53.5) (b) If this NH4Cl solution is assumed to be ideal and is completely dissociated into ions, calculate the vapor pressure of this solutio..
Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous sulfuric acid.
If 0.600 gram of zinc is used, what is the amount of zinc chloride that is produced in the above reaction?
You are a laboratory assistant for your chemistry course. There are 250 students in the course, and each needs to use 25 mL of a 0.15 M solution of copper sulfate.
find the enthalpy change for the chemical reaction below pcl5g ----gt pcl3 g cl2 from the following equations p4 s
calculate the number of excess reagent units remaining when 100 C4H10 molecules and 611 O2 molecules react?
Identify the mass spectral (MS) peaks you would expect for 4-Heptanone (M+ and m/z for all fragments). Just FYI, the professor said
when 157mg of dipentylamine was added to 122mg of benzoic acid and 2ml of water a completely homogenous solution was
Solubility of a gas in water depends on Nature of the gas - Pressure of the gas
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