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While 50 g of acetylene is allowed to react with excess oxygen what is the percentage yield of carbon dioxide
Calculate the enthalpy change of this reaction per mole of potassium carbonate. Assume that the specific heat of the final mixture is 4.184 J/g°C, and that its density is 1.00 g/ml.
Given the equilibrium constant, Kp, of 2.40 x 10-3 at 1000 K for N2(g) + 3H2(g) equation 2NH3(g), what is the equilibrium constant for NH3(g) equation 1/2N2(g) + 3/2H2(g) at 1000 K
A plot o f the reciprocal concentration of chemical A versus time yielded a straignt line with a slope
when a antacid tablet dissolves in water the fizz is due to a reaction between sodium hydrogen carbonate nahco3 also
Small air bubbles in the salt bridge may not be a problem. How can the presence of air bubbles in the salt bridge alter the effectiveness of this salt bridge
Calculate the thermal energy (in J) needed to increase the temperature of a 2.4 kg piece of iron from 29.9o C to 51.2o C. The specific heat of iron is 0.449 J/g*Co. Type your answer in scientific notation using the format 8.050e-3 for 8.050 × 10-3.
For the point group C3v, does the coefficient for 2C3 operation indicate that you can rotate it twice in one direction 120 degrees so that you end up right where you started
The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.
How many grams of solid Fe(NO3)3 (MW = 403.998 g/mol) should be added to 100mL of 1.0 M HNO3, so that the concentration of FE(NO3)3 is 0.02 M
An aspirin tablet has a mass of about 325 mg (5 grains). Calculate the total mass of aspirin tablets in a 250- tablet bottle in grams and ounces.
What volume of oxygen gas at 25 degrees Celcius and 1.00 atm is produced from the decomposition of 22.33 mL of a 30.0% (by mass) solution of hydrogen peroxide?
find the number of automobiles whose total mass is the same as 1.0 mol blueberries if the mass of an average blueberry
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