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A 48.3ml sample of gas in a cylinder is warmed from 22C to 87C. What is its volume at the final temperature?
according to le chateliers principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a)2NH3(g) 3H2(g)+N2(g). b)N2(g)+O2(g) 2NO(g). c)2NO2(g) N2(g)+2O2(g). d)4NH3(g)+3O2(g) 2N2(g)+..
The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure and temperature is expressed by the Clausius-Clapeyron equation.
AgCl precipitates first. What is the concentration of the Ag+ remaining in solution when CuCl begins to precipitate? For AgCl, pKsp = 9.74. and for CuCl, pKsp = 6.76.
A compound consist of 40.00% carbon, 6.71% hydrogen and 53.29% oxygen and has a molecular mass of 180+- 1g/mole. Determine the empirical and molecular formulas of the compound.
The lab was a "Two-Base Extraction" A mixture of benzoic acid, 2-naphthol, and naphthalene was extracted with sodium bicarbonate and followed by sodium hydroxide.
If the silver -silver chloride electrode is replaced with a saturated calomel electrode, what is the new cell voltage?
Calculate the amount of heat (calories) absorbed when 50.0g of water at 20deg. Celsius spreads over your skin and warms to body temperature, 37deg. celsius.
In high spin complexes, the crystal field splitting energy is small and in low spin complexes, electrons are concentrated in the lower energy orbitals.
Substitution and elimination reactions are competing reactions. Under what conditions can you ensure that substitution will predominate
Consider the following reaction. N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Isotopes Decay, Isotopes decay according to first order kinetics with a predictable half life
What is the mass (by difference) of a sample if the initial mass of the sample in the bottle was 27.68-g and the final mass of the bottle and sample was 23.63-g?
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