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What is the pH of the solution created when 10.0 mL of 0.50 mol/L nitric acid is diluted to 1.50 L?
What type of energy, kinetic or potential, is contained in chemicals? What aspect of chemicals is changed during a chemical reaction such that reactions relate to chemical energy?
write an equat ion which, if solved,would give the average scalar momentum, , of molecules of an equilibrium gas.
oxygen gas is collected over water at 21 degrees C and an atmosperic pressure of 748 mm Hg. What is the partial pressure of oxygen gas in the mixture
in an experiment 1.65g of leadii nitrate react with .327g of zinc. what is the mole relationship between the lead
Calculate the ionic strength of 100mM solution of Mg3(PO4)2 in acetic buffer
The combustion of one mole of propane, C3H8, releases 531 kcal. How much heat is released by the combustion of 1.20 moles of propane?
In a laboratory synthesis , a student begins with 5.00ml of acetic anhydride (density = 1.08 g / mL) and 2.08 of salicylic acid. Once the reaction is complete, the student collects 2.01 g of aspirin . Determine the limiting reactant , theoretical ..
What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.288 M Al(NO3)3 is added to 200.0 mL of 0.159 M KOH
reversible expansion from Pinitial=25.0 bar and Vinitial=4.50L to Pfinal=4.50 bar, (2) a single step irreversible expansion against a constant external pressure of 4.50 bar
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?
A 1-L flask is filled with 1.45 g of argon at 25^0C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?
consider the reaction 2sosmall2 g osmall2g --gt 2sosmall3g if 96g sosmall2 is added to 2 moles of oxygen at stp
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