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Acetylene gas, C2H2(g), is used in welding.
(a) Write a balanced equation for the combustion of acetylene gas to CO2(g) and H2O(l).
(b) How much heat is produced in burning 1 mol of C2H2 under standard conditions if both\ reactants and products are brought to 298 K?
(c) What is the maximum amount of useful work that can be accomplished under standard conditions by this reaction?
3.06 grams of hydrogen is allowed to react with an excess of o2 gas to form 27.35g of h2o. in a second experiment
The mole fraction of nitrogen in a air is 0.78. If the total barometric pressure is 760 torr, what is the partial pressure of nitrogen
The following processes occur in an internal combustion engine. For which one is the entropy change negative
Many gaseous reactions occur in a car engine and exhaust system. One of the reactions is NO2(g)+CO(g)-->NO(g)+CO2(g). Given the following information determine the overall rate order. Rate=K[NO2]^m [CO]^n
Draw the structure(s) of the carboxylic esters with the molecular formula C5H10O2 that contain a branched four-carbon chain.
Determine the approximate pH range appropriate for the separation of Al3+ and Mg2+ by precipitation of Al(OH)3 from a solution that is primarily 0.032 M in both Al3+ and Mg2+.
What would be the product if dimethyl fumarate (trans-MeO2CCH=CHCO2Me) was heated in the presence of 3-sulfolene?
For each anion used in today's experiment: Cl-, I-, PO43-, SO42-, and use the solubility rules to determine if a precipitate SHOULD form when using the reagents in the procedure
What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
Which ions are soluble in acidified sulfide solution but separate as insoluble sulfides in basic solution. Which cations separate as their hydroxides in basic sulfide solution.
PbCO3(s)+2H^+(aq)+2H^+(aq) yields Pb^2++H20(l)+CO2(g), how many grams will dissolve when exactly 4.5 L of 2.00 M H+ is added to 3.00 g of PbCO3
flask containing a mixture of A and B at equilibrium was discovered, and the concentration of A at room temperature was determined experimentally to be 3.1 x 10^-2 mol/L. What is the concentration of B
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