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Concentrated hydrochloric acid solution contains 37.2 m/m% HCl. What mass of HCl is contained in 35.5g of concentrated HCl
Gasoline is composed primarily of hydrocarbons, including many with eight carbon atoms, called octanes. One of the cleanest-burning octanes is a compound called 2,3,4-trimethylpentane, which has the structural formula shown in the figure.
If One gram (1.5 g) of glyceryl trioleate is completely hydrogenated.How many grams of hydrogen was used in the process.
The concentration of a 300 ML sample of CaCl_2_ solutionis .256M. What is the mass of the solute?
Complete and Balance the following redox equation. MnO4 + H +Br-->Mn2 +Br2 +H2O (acidic Solution). The sum of the smallest whole number coefficients is
How many grams of magnesium hydroxide are present in 1.0 L of a saturated solution at room temperature
A balloon originally has a volume of 4.39L at 44 C and a pressure of.959atm. The balloon must be cooled to what temperature in order to reduce its volume to 3.78 L?
Calculate how many milliliters of carbon dioxide would be produced theoretically from 20g of sucrose at 25 degrees Celsius and 1 atomosphere pressure.
Calculate the change in internal energy of the following system: a balloon is cooled by removing 0.657 kJ of heat. It shrinks on cooling, and the atmosphere does 384J work on the balloon.
It decomposes into its elements. Write the balanced equation for this reaction. If 71.8 g of Hgo is decomposed, calculate the volume of oxygen at STP
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 5.50 mL Ti solution of unknown concentration with 2.00 mL of a 13.4 g/mL solution of Co
When 25.0 mL of 0.400 M H2SO4 and 50.0 mL of 0.850 M H2SO4 are mixed, what is the molarity of sulfuric acid in the final solution?
In May 1990 the French TGV train traveled the distance from Paris to Lille, France (127 miles) in .819 hours. What was the speed of the TGV in m/s?
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