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Consider a situation in which 235g of P4 are exposed to 272g of O2. What is the maximum amount of P2O5 that can theoretically be made from 235g of P4 and excess oxygen?
A chemistry student needs to weigh out exactly 1.19 mol of Mg(HCO3)2 to perform a laboratory experiment. How many grams should he weigh out?
calculate the work required to expand the cell surface. Assume the cell is surrounded by water and that T=310K.
A compound containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 of nitrogen and 4.05 of oxygen emperical formula
A 10.80-mL sample of sulfuric acid from an automobile battery requires 35.18-mL of 1.62 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
The solution which passed through the filter was collected in a beaker and excess sodium sulfate solution was added to this beaker. 0.432 g of fry precipitate was collected from this second solution by filtration. Calculate the percent of magnesiu..
A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..
The specific heat capacity of the solution produced was 4.20J/g*Celcius, and final temp reached was 34.91 degrees c. How much heat was produced by the dissolution
How many grams of N2 are required to react with 2.30 moles of Mg in the following process?
Which of the following are not soluble in water? Remember that the solubility rules apply to ionic compounds, but not necessarily to covalent compounds
what volume of hydrochloric acid solution of 0.25 m must be diluted to prepare 1.00 l of 0.040 m hcl?a 3.0-l flask
The temperature dependence of the reaction rate constant is given by the equation: k = Ae^-Ea/RT. Find Ln k
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