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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 38.2 mm and the length of the cylinder was 15.5 mm. What was the volume of the aluminum cylinder in cm3?
Volume = cm3
The mass of the aluminum cylinder was determined to be 47.6 grams. What is the density of the aluminum?
Density = g cm-3
The titration of 15.00 mL of HCl solution requires 22.50 mL of 0.1200 M NaOH solution. What is the molarity of the HCl solution?
At a particular temperature, N2O5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration of N2O5 is 1.0 × 1016 molecules/cm3, what will be the concentration in molecules/cm3 after 11.3 s?
An automobile gasoline tank holds 22kg of gasoline. When the gasoline burns, 85kg of oxygen is consumed & carbon dioxide & water are produced? What is the total combined mass of carbon dioxide & water that is produced?
Write the balanced equation for the complete combustion of each of the following compounds
The correct name for FeO is iron(II) oxide is it a poyatomic or binary ion? What is the rule for naming FeO?
Write the formula of the reactants and products-including the symbols for the state- (s), (l), (g), (aq)- then balance the equation.
A mixture of 4.0 mol of H2 and 2.0 mol of O2 is placed in a sealed evacuated container made of a perfect insulating material at 27C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
describe the reactant and products of the chemical reaction. Qas the reactant (potato chip) completely consumed? What evidence supports your answer?
Determine the entropy change for freezing 6.33 grams of C 2 H 5 OH at 158.7 K? H =-4600 J/mol. Express your answer in units of J/K.
At 373 K, Keq = 2.39 for the following reaction: SO2Cl2(g) = SO2(g) + Cl2(g) In an equilibrium mixture of the three gases, the partial pressures of SO2Cl2 and SO2 are 3.31 atm and 1.59 atm, respectively.
Calculate the equivalent weight of the unknown weak acid (g/eq). Calculate the molecular weight of the acid described in Question 1 (g/mol).
Determine the pressure inside a container of a gas connected to an open-end manometer filled with CCl4, has the density = 1.594 g/cm3,
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