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Calculate the percentage of chlorine in a sodium hypochlorite powder (disinfectant for pools) if 5.0 kg of powder gives off 2.3 kg of chlorine?
replacement compounds for the Freons have gone into production: HFC-134a (chemical formula: CH 2 FCF 3 ) and HCFC-124 (formula:CHClFCF 3 ) In 1991. Determine the molar masses of these two compounds
Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor
The visual raw meat color was red(outside) and brown(inside) and when mixed with NaNO2 and NaNO3 the color changed to slight maroon and medium brown and pink.
How long will it take for 75% of nitrogen dioxide to decompose if the initial concentration of nitrogen dioxide is 1.33M
138g of K and 448g of I react completely to form KI. What mass of KI would have been produced if 138g of potassium and 41g of iodine has been used?
Determine the molar mass of the compound if boiling point constant for CCl 4 =4.95 K · kg/mol.?
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
Estimate the change in entropy if fifty kilo joules of energy are transferred reversibly and isothermally as heat to a large block of Cu at zero degree Celsius and seventy degree Celsius?
A mass of 57 g of lead fishing weight absorbs heat of 146 Calories. Determine its final temperature If its initial temperature =48 Centigrade,?
A nonelectrolyte solution adsorbs on an electrically neutral solid through a liquid. Two surfaces of this type are brought close to one another in the liquid such that they interact.
Determine how many grams of C 6 H 12 O 6 should be mixed in 563 grams of C 2 H 5 OH) to form a 2.40X10^-2 m solution?
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