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The Freons(chemical found in many old refrigerators and A/C units) are a class of compounds containing chlorine(Cl), carbon(C), and fluorine(F) to be responsible for the depletion of the O3 in the upper atmosphere., 2 replacement compounds for the Freons have gone into production: HFC-134a (chemical formula: CH2FCF3) and HCFC-124 (formula:CHClFCF3) In 1991. Determine the molar masses of these two compounds
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
Determine what volume would it occupy at zero degree Celsius temperature at same pressure? Express your Answer in units of mL
A boy receives 10mg of medicine for every kg he weighs. How much medicine should he receive if he weighs 48 pounds and the conversion factor for pounds to kilograms is 1 pound = 0.4536kg.
What is the geometry and hybridization of the carbonyl carbon in carboxylic acids and their derivatives.
What volume of 0.140 M Hydrochloric acid is required to neutralize 2.68g of Magnesium hydroxide.
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
The heat of vaporization of water =40.66 kJ/mol at 100 °C. Compute the quantity of heat that is absorbed/released when 9.00 grams of steam condenses to liquid water at the temperature of100 degree celsius.
Evaluate the operating conditions of the chiller - what temperature must the chiller operate if the product streams are also at 1 atm total pressure?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
Calculate ΔHo fusion and ΔSo fusion for the substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. ?
can you find out the name and formula of the unknown compound and determine the identity of the element?
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