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The copper is drawn into wire whose diameter is 8.50mm , how many feet of copper can be obtained from the ingot? The density of copper is 8.94 g/cm 3 .
Dried, ground nutmeg typically contains between 20-25% fat by weight. Calculate the range of fat you might expect to obtain if you extracted fat from 10 grams of nutmeg. (Assume that your extraction
Calcium chloride is a strong electrolyte and is used to "salt" streets in the winter to melt ice and snow. Write a reaction to show how this substance breaks apart when it dissolved in water.
How much water would you expect to vaporize, assuming no water splashes out? The specific heats of iron and water are 0.45 and 4.21 J/gC respectively, and Delta Hvap= 40.7 kJ/mol of Water.
Backpackers often use canisters of white gas to fuel a cooking stove's burner. If one canister contains 1.45 L of white gas, and the density of the gas is 0.710 g/cm3. What is the mass of the fuel i
The standard enthalpy of formation of Mn2O3 is -962.3 kJ/mol. How much heat energy is liberated when 4.7 grams of manganese are oxidized by oxygen gas to Mn2O3 at standard state conditions?
How much heat (in kJ) is required to warm 12.0g of ice, initially at -10.0°C, to steam at 114.0°C? The heat capacity of ice is 2.09 J/g⋅°C and that of steam is 2.01 J/g⋅°C.
Calculate the pressure of the gas inside the cylinder. Write answer in kilonewtons. Round your answer to 2 significant digits.
Tertiary alcohols do not work well for esterification; they give a different product than you might expect. What is the reaction product of acetate with 2-methyl-2-propanol?
Calculate the volume of carbon dioxide and water vapour produced and the volume of oxygen remaining, when 20.0 dm3 of propane reacts with 120.0 dm3 of oxygen. All gas volumes are measured at the sam
What is the final pressure in the bottle for a monatomic gas, for which CV,m = 3/2 R and a diatomic gas, for which CV,m = 5/2 R?
Calculate the concentration of liquid solution leaving the column as mass percent given that mol wt of solvent is 24 kg/kmole, mol wt of H2S is 34 kg/kmole.
An unidentified compound is observed to melt sharply at 111 °C with the vigorous evolution of a gas. The sample then solidifies and does not melt until the temperature reaches 155 °C, at whi
What are the 3 essential properties of every material? What are microchips? How are they related to integrated circuits?
If the components of a mixture are colored, it is a simple matter to follow the components. How would you detect different components that were not colored?
Four grams of a mixture of calcium carbonate and sand is treated with an excess of hydrochloric acid and 0.880 g of CO2 is produced. What is the percent of CaCO3 in the original mixture?
First determine which is the limiting reagent, then calculate the heat produced by the reaction (q), and molar heat of the reaction (H) using the above equations.
Products of this reaction are tin(II) oxide and water. What mass of hydroxyapatite can be converted to fluorapatite by reaction with 0.100g of tin(II) fluoride?
What would be the effect on the results of a column chromatogram if the top layer of sand was not included in making the column?
the solubility of Ba(IO3)2 in water is negligibly small and calculate the mass of the precipitated Ba(IO3)2 and calculate the mass of the unreacted compound that remains in the solution.
While in Europe, if you drive 113km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 34.0mi/gal ? Assume that 1euro=1.26doll
Isopropyl alcohol has a density of 0.785 g/mL. A bottle of isopropyl alcohol contains 15.7 g of the alcohol. What is the volume occupied by the alcohol?
A flask contains 0.350mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
The density of copper is 8.94 g/cm3. (Assume that the wire is a cylinder whose volume is V=πr2h, where r is its radius and h is its height or length.)#question..
SnI4 is soluble in acetone. What does this tell you about the ionic nature of this compound? Is the charge on the tin actually 4+? What was the effect of adding KI to the acetone solution?