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A sample of NO was composed of 5.2647 g of nitrogen and 6.0116 g of oxygen. How many grams of oxygen would there be in a sample of N2O4 that contained 7.0087 g of nitrogen.
Two seperate samples of argon gas are held seperate chambers connected with a valve in the middle. Chamber A has a bolume of 2.00 L, and contains 120 g of Ar at 650 K
How do you find the concentrations of the individual reactants that are part of the compounds? As far as the relative rate, I don't understand how to find m, n, and p in the equation: relative rate = k' (I-)^m(BrO3-)^n(H+)^p.
How many moles of H3O+ or OH- must you add per liter of HA solution to adjust its pH from 9.45 to 9.02. Assume a neglible volume change
When 1.550 g of liquid hexane (C6H14) undergoes combustion in a bomb calorimeter, the temperature rises from 25.87 ºC to 38.13 ºC. Find ?E rxn for the reaction in kJ/mol hexane. The heat capacity of the bomb calorimeter, determined in a separate e..
The KOH solution standardized is used to titrate a 20.00ml sample of sulfuric acid (H2SO4) solution of unknown concentration. Determine [H2SO4] for the unknown acid solution if 41.27mL of the NaOH solution is needed to fully react with it.
What statement below best describes the graph representing the integrated 1st order rate law. plot of ln[a] vs t having a straight line negative slope equal to -k
In an atom, how many electrons can have the quantum number designations n=3, ml=0, ms=1/2
A 300.0-mL saturated solution of copper(II) peroidate (Cu(IO4)2) contains 0.44 grams of dissolved salt. Determine the Ksp.
A certain weak base has a Kb of 7.30 × 10-7. What concentration of this base will produce a pH of 10.07
Use the wattage of the lightbulb and the time it is on to calculate the change in energy in joules. (assume that the cylinder and lightbulb assembly is the system and assume two significant figures).
System were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2(g) + O2(g) 2NO(g) If more NO is added, bringing its concentration to [0.800 M], what will the final concentration of NO be after equilibrium is re-established?
synthesis gas can be made by reacting red-hot coal with steam. estimate the temperature at which the equilibrium
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