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A company produces plastic elephants in two colours for the novelty trade market. Production in the factory is on one of three machines; 10% is on machine A, 30% on machine B, and the remainder on machine C. Machine A's production consists of 40% blue elephants and 60% pink elephants. Machine B's production consists of 30% blue elephants and 70% pink elephants. Machine C's production has 80% pink elephants with the remainder being blue.
The reaction of 8.10g of Carbon with excess O2 yields 12.80g of CO2. What is the percent yield of this reaction?
If 0.20g of gas occupies 400 mL at 30 degrees celsius and 700 mm Hg of pressure, what is the molar mass of the gas?
A 3.00-l flask is filled with gaseous ammonia, . The gas pressure measured at 18.0 C is 1.55 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
Determine the limiting, excess reagent & percent yield of the reaction - How much excess reagent is left after the reaction reaches completion?
Complete and balance an equation describing each of the above reactions. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)
A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
What volume of a 15% by mass NaOH, which its density is 1.116g/mL, should be used to make 5.40L of an NaOH solution with a pH of 10.2
calculate the freezing point of a solution made by dissolving 3.50 g of potassium chloride 74.55 gmol in 100.0 g of
80.0 grams of diiodine pentoxide reacts with 28.0 grams of carbon monoxide. How many grams of I2 could be produced?
molybdenum forms a substitutional solid solution with tungsten. calculate the concentration in weight percent of
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 870 mL at 40C and a barometric pressure of 755 torr.
Tetraphosphorus decaoxide reacts with water to form phosphoric acid, a major industrial acid. In the laboratory, the oxide is used as a drying agent.
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