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Methane gas is completely combusted the products are carbon dioxide gas and water gas. What statement can be correctly made regarding the entropy change of this reaction?
- The entropy of the reaction is increasing because there are more moles of gaseous products than moles of gaseous reactants.
- The entropy of the reaction is increasing because there are fewer moles of gaseous products than moles of gaseous reactants.
- The entropy of the reaction remains constant because there are an equal number of moles of gaseous products and gaseous reactants.
- The entropy of the reaction is decreasing because there are more moles of gaseous products than moles of gaseous reactants.
- The entropy of the reaction is decreasing because there are fewer moles of gaseous products than moles of gaseous reactants.
What is the pH of a 0.440 ammonia solution? with the kb value of 1.8*10^-5 What is the percent ionization of ammonia at this concentration. Express the percentage numerically to three significant figures
a 93 gram solution of silver nitrate contains 16 grams of agno3. what is the percent by mass of silver nitrate in this
Lightning from thunderstorms strike the Earth 100 times each second. 2400 deaths have been caused by lightning strikes over the past 25 years. How many strikes occur before a death occurs
Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures, including hydrogen atoms,
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Solve for the new pressure in each of the following, with n and V constant: 1)A gas with a pressure of 1.25 atm at 90 Celsiusis cooled to -17 Celsius. 2)A sample of N2 with a pressure of 790 mm Hg at -75 Celsius is heated to 34 Celsius
The normal boiling point of actone is 56.2 C and the molar heat of vaporization is 32.0 kJ/mol. At what temperature will acetone boil under a pressure
Which statement is true for the cell as it discharges?
assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)C2H3O2^- b)AlCl3 c)NH4^+ d)HBrO4
a solution is made by dissolving 20.0 g of hcl in 800.00 ml of water. calculate the ph of the solution. if 0.0400 g
a 4 g sample of the hydrated crystal baoh2bull chih2o is heated until all the water is removed. the remaining solid
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