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Fuel engineers use the extent of the change (K) from carbon monoxide and water vapor into carbon dioxide and hydrogen to regulate the proportions of synthetic fuel mixtures. If 0.250mol CO and 0.250mol H2O are placed in a 125ml flask at 900K, what are the concentrations of each component at equilibrium? [Kc=1.56]
At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules at 25 degrees C?
After adding the two portions into the calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45*C. what is the heat capacity of the calorimeter?
What mass of lithium phosphate is needed to prepare 600 ml of a solution having a lithium ion concentration of 0.225 M?
the Ka of hydrazoic acid (HN3) is 1.9*10^-5 at 25 degrees C. what is the pH of a .35M aqueous solution of HN3?
Organic chemistry- When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly
The following half reaction takes place in a lead storage battery used in automobiles: Pb(s)+SO4^2-(aq)>PbSO4(s)+2e^- a)is the half reaction an oxidation or reduction
If 8.32 grams of methanol, CH3OH, are dissolved in 10.3 grams of water, what is the mole fraction of methanol in the solution?
The normal melting and boiling points of O2 are -218C and -183C respectively. Its triple point is at -219C and 1.14 torr, and its critical point is at -119C and 49.8 atm.
A solution of chloroform (CHCL3) in carbon tetrachloride (CCL4) is 1.87 molar chloroform and has a density of 2.93 grams/mL. Calculate
What is the theoretical yield (in grams) of the precipitate when 22.2 g of iron(II) chloride reacts in solution with 10.91 g sodium hydroxide
A mixture of gases contains 2.42 g of Kr, 4.58 g of Ar, and 5.74 g of NO2. What is the partial pressure in atm of each component of this mixture if it is held in a 11.5-L vessel at 31.3 oC? Use R = 0.0821 L-atm/mol-K as the value of the gas consta..
Balance the equation for the reaction of sodium metal with water to produce aque- ous sodium hydroxide and hydrogen gas carbon. The products of this reaction are tin and carbon dioxide. When the equation is written and balanced, what is the coeffi..
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