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Write a balanced equation for the following reaction: an aluminum-carbon compound that is 74.97% aluminum by mass reacts with water to produce aluminum hydroxide and a hydrocarbon that is 74.87% carbon by mass
the vapor pressure of pure water at 70degc is 235 mm hg. what is the vapor pressure depression of a solution of 125 g
When 123.8 g of ethylene (C2H4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed
The general molecular formula for alkanes is CnH2n+2. What is the general molecular formula for cycloalkanes with two rings
What are the units for absorptivity where the path length is given in centimeters and the concentration is expressed in. a. parts per million
what is the total number of joules absorbed by 65.0 g of water when the temperature of the water is raised from 25.0
A solution contains .60 M NH4OH and 1.5 M NH4Cl. what is the maximum concentration of Mg2+ that can be present in such a solution without precipitating Mg(OH)2
what is the flow rate of the gas stream leaving the condenser in mole/ min. hint first calculate the molar flow rate of the conensate and note that rate at which C6H14 an N2 enter the unit must equal to the total rates at which they leave in the t..
What factors determine the strength of interaction bwtween two atomic orbitals to form a molecular orbital
The mass of the water in the inner bath is 1.60×10^3 g . The temperature of the calorimeter and its contents rises 2.84K as a result of this reaction. 1)Calculate the calorimeter constant.
Write the net ionic equation for the cell and identify which half cell will be cathode A cell constructed with a Ag/Ag+ half-cell and a Cu/Cu+ half cell.
Air is 21 mole percent oxygen, that is, 0.21 atm oxygen at 1 atm. Suppose the pH of the water is 5.91 and that the concentration of iron(II) in the water is 3.29x 10-5 M, what is the potential of the corrosion reaction under the above conditions a..
Predict qualitatively, which of the following aqueous solutions, (a), (b), (c) or (d), each containing 2.0 moles of the given substance dissolved in 0.5 kg of water, has the lowest and which has the highest boiling point: a) HNO3, b) sugar, c) ace..
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