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A bottle containing 350 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
a steel sphere has a radius of 1.58in. If this steel sphere has a density of 7.88g/cm3, what is the mass of the sphere in grams?
the molecular orbital theory provide an explanation for the existence of the covalent molecule Na2 in the gaseous state. How would you predict Na2 by the Lewis theory?
An antacid tablet contraining calcium carbonate as an active ingredient required 9.53 mL or 0.0956 M H2S04 for comlete neutralization.
What is the mass of platinum required to solidify all the gold? What is the change in entropy of the system? Cp(Pt, s) = 25.86J/mol*K ?H?fus(Au, s l) = 12550J/mol
How much air is required in one hour to completely react all of the galena? Air is 21% oxygen. C. Assuming the exit temperature of the flue gas is 650 ºC and the barometric pressure is 0.9 atm, what is the volume of the sulfur dioxide produced?
Disulfur dichloride is produced by reacting chlorine gas with molten sulfur. What is the percent yield if 3.25 g S2Cl2 is isolated from the reaction of 5.0 g S8 and 3.75 g Cl2
One a cold day a person takes a breath of 450 ml of air at a pressure of 745 mm Hg and room temperature of 21oC. What is the volume of this air in the lungs at 37oC and 758 mm Hg?
The Ogallala aquifer is the largest in the United States, covering 450,000 across eight states, from South Dakota to Texas. This aquifer provides 82% of the drinking water for the people who live in this region
Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO 4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO 4 solution?
By titration, 23.4 mL of aqueous H2SO4 neutralized 24.8 mL of 0.0495 M LiOH solution. What was the molarity of the aqueous acid solution?
suppose the condenser operates as a total condenser at 40 degrees, the production rate of the overhead product is 75kmol/h. The ratio of reflux and overhead product is 1.5:1.
Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
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