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Discuss how much CuSO4 is required to react with an excess of aluminum to provide the14.0 g of Cu and any amount of aluminum sulfate?
How can determine the delta E and delta H of the combustion reaction when the combustion of 1.6 g of C12H22O11(s) in a bomb calorimeter liberates the 24.00 kJ of heat?
Determine the heat capacity of the calorimeter components if a bomb calorimeter contains 1.00 kg water and has a total heat capacity of the10.84 kJ/OC.
Determine the rate-determining step in the hydrolysis of tert-butyl bromide? Based on this, write down the rate law for the hydrolysis of tert-butyl bromide.
Estimate the equation for the reaction that corresponds to breaking just the carbon-carbon bonds in the gaseous benzene,C_6H_6?
The laser beam is to be directed towards center of moon, but beam strays 0.25 degree from its intended path. Radius of moon is about 1000 miles, and distance from moon to earth is 240,000 miles. Det
By the relationship log(p/Torr) = 10.5916 - 1871.2/(T/K) the temperature dependence of the vapor pressure of solid sulfur dioxide can be approximately represented and that of liquid sulfur dioxide b
Assuming a temperature of 1000K and that only hydrogen atoms are present with a diameter of2.0 x 10-10 m, determine (a) their mean speed, (b) their collision frequency HZH and (c) their mean
Chie stands a distance of 50 feet from the tree and estimates the angle of elevation to top of tree from eye-level. Angle is 23 degrees. Determine height of tree to nearest tenth of a foot.
Determine the time at which the initial air pressure of 1 bar (105 Pa) is reduced to 0.1 bar at300K. A meteor strikes a space vehicle of internal volume5.0m3 and creates a circular hole of r
Calculate the crystal field splitting energy for this ion in kJ/mol. A chemist claims to have found a complex ion where the most intensely absorbed the light is 337.0 nm.
The certain right triangle has hypotenuse which is 13 feet long, and one leg which is five feet long. If θ is angle opposite five-foot leg, determine values of all six trigonometric ratios for &
A 12.2-g sample of NH4NO3 is dropped into a constant pressure calorimeter having 175 g of water at 23.5 degrees C. Discuss what temperature will the water reach, assuming that the calorimeter
Two liquids have vapor pressures. The compound A has 0.690 atm and the compound B has 0.350 atm at the room temperature. Suppose that a solution is prepared that is 0.33 mole fraction in the more vo
ΔH= -368 kJ/mol rxn. Determine the numbers of grams of sodium hydroxide can be made if the 255 kJ of heat is released?
The ceiling fan with 20-inch blades rotates at 40 revolutions/minute. Determine angular speed of fan, in rad/min, and compute linear speed of tips of blades in in/min.
What will be the equilibrium mole fraction of H2O if a mixture of 1 mol of Co and 5 mol of H2O is passed over a catalyst at this temperature and a pressure of 2 bars?
The molar volume of liquid water is 0.019x10-3m3/mol, the molar enthalpy of vaporization 40.69KJ/mol, and the molar volume of steam is 30.199x10-3m3/mol, all at 100oC and 1 atm = 1.01325 bar.
Two points where initial and terminal sides of angle intersect circumference of circle are 16 inches apart. That is the linear distance, not arc length. Find area of circular sector defined by angle
Describe the crystal field splitting energy for this ion in kJ/mol when a chemist claims to have found a complex ion where the most intensely absorbed light is 337.0 nm.
Estimate how much energy is released or absorbed by the reaction shown in each case. Determine whether the following reactions are exothermic or endothermic.
The Clapeyron equation relates dp and dT at equilibrium, the change in enthalpy is given by dH =CpdT + Vdp, and so in combination the two equations can be used to identify.
The isoceles triangle has the area of 36 square millimeters, and angle between equal sides is 2π/3. Determine lengths of two equal sides.
What would be the final temperature of the calorimeter if it's initial temperature were23.0oC or if 2.00g of iron metal are reacted in a calorimeter with a heat capacity of 500J/oC.
What is the molarity of each ion when the molar solubility of M2X is 5 x 10-5 M? How do you setup the calculation to identify the Ksp? What assumptions must you make about the dissociation of &nb