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Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine. Calculate Kc for the reaction 2CCl4(g) + O2(g) = 2COCl2(g) + 2Cl2(g).
To obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol. To calculate the mass of propylene glycol required to replace 5.00gal of ethylene gl
The volume of a gas collected over water at 32 C is 627 ml. The barometer reads 752 torr (water levels are equal). What is the volume of the gas when dried and measured at STP?
Calculate the maximum mass in grams of H2S that can form when 218 g aluminum sulfide reacts with excess water according to:
A stream of toluene at 500°C and 2 bar, flowing at 40 kmol/h, is cooled to 200°C and 1 bar pressure in a heat exchanger. How much heat needs to be removed from the heat exchanger (kW)?
How many calories are required to raise the temperature of a 150 gram sample of gold from 25 degree celcius to 175 degree celcius? The specific heat of gold is 0.0308 cal/gram degree celius.
How much energy (in kilojoules) is needed to heat 5.65 of ice from -14.0 to 34.5? The heat of fusion of water is 6.01, and the molar heat capacity is 36.6 for ice and 75.3 for liquid water.
In Part A of the experiment, you will need to generate some 0.60 M acetic acid solution by dilution of a stock solution. How many mL of the sodium acetate solution should you prepare?
a solution contains an unknown mass of dissolved silver ions. when potassium chloride is add to the solution.,a white precipitate forms.The precipitate is filtered and dride and then found to have a
What is the percent yield if 6.25 g S2Cl2 is isolated from the reaction of 10.0 g S8 and 7.50 g Cl2?
Draw a Lewis diagram for CH3OCH2CH3. Use your diagram to answer the following questions. Best ans 10 points!? The number of C-H bonds = 8.
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
1.00 mol C_12_H_22_O_11_ is added to .150 kg of water and the water is heated to 100 degrees celsius. What is the vapor pressure of the solution at this temperature in mm Hg?
The average concentration of sulfate ion in seawater is 2710 mg of sulfate ion per kg of seawater. What is the molarity of the sulfate ion if the density of the seawater is 1.025 g/mL?
Calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9 celsius
Is this an exothermic reaction? If 100g of natural gas (CH4) is burned, calculate the heat exchange (balance the equation)
A current is recorded at zero applied volts, and its magnitude is 12.5μA. A wave is also recorded with E1/2 equal to -1.5V versus SCE, and its height is 30.0μA. Calculate the relative concentr
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl? Show all of the work needed to solve this problem.
When the gasoline burns, 147 kilograms of oxygen are consumed and carbon dioxide and water are produced. what is the total combined mass of carbon dioxide and water that it produced?
For a first-order reaction. at 750 K, 15% of a sample of cyclopropane changes to propene in 6.8 minutes. what is the half-life of cyclopropane at 760 K?
A 10.00-mL sample of vinegar, which is an aqueous solution of acetic acid (HC2H3O2), is titrated with 0.5062 M NaOH, and 16.58 mL is required to reach the equivalence point. a) What is the molarity
The final volume of the solution is 1.25 L. What are the [H3O+] and [OH-] in the final solution? What is the pH of the final solution?
A scientist wants to make a solution of Na3PO4 for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 725 mL of a solution that has a concentration of Na+ ions of 0.800 ?
calculate the theroretical yield of C2H5Cl when 123 g of C2H6 reacts with 220 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl
At 900 K the following reaction has Kp = 0.345: 2SO2(g) + O2 (g) <==> 2SO3(g) In an equilibrium mixture the partial pressures of SO2 and O2 are 0.135 atm and 0.455 atm, respectively. What is