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In the determination of the density of a cylinder of aluminum, it was necessary to measure the volume of the sample. The diameter of the cylinder was 23.0 mm and the length of the cylinder was 38.9 mm. What was the volume of the aluminum cylinder in cm3?
Calculate the partial pressure of the hydrogen gas using the atmospheric pressure and the vapor pressure of water at the temperature of the solution. Assuming ideal gas behavior, calculate the number of moles of hydrogen gas evolved.
What quantity of heat is required to melt 500. g of ice and heat the water to steam at 100. oC? What quantity of heat is required to melt 500. g of ice and heat the water to steam at 100. oC?
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
How many kilograms of CaH2 are needed to fill a 134 L tank with compressed H2 gas at 154 atm pressure and 22 degrees celsius?
Use Excel or your favorite spreadsheet program to generate the concentration profiles. You may either estimate the stability parameters using the attached plots or (better) use the attached parameterized forms.
how many grams of KOH are present in 32.5mL of a 6.42 M KOH solution
Draw three six-carbon alkenes, each of which forms the same product whether it reacts with HBr in the presence of a peroxide or with HBr in the absence of a peroxide,
What is the concentration of chromium ion present in a 0.01976 M solution of potassium hydroxide in contact with a large excess
calculate the number of moles of gas generated when 0.165grams of aluminum reacts with hydrochloric acid
what are the names of the products in this equation?
The liquid vaporizes quickly to gaseous nitrogen (which has a density of 1.15 g/mL at room temperature and atmospheric pressure) when the liquid is removed from the tank.
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