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A sample of air at 10.0 atm is heated from 575 K to 750 K. If the volume remains constant, what is the final pressure?
Write the net ionic equations that account for the pH values of: 0.1M NH4Cl (pH 6.25), 0.1M NaC2H3O2 (pH 8.24)
Use bond dissociation energies to determine how much energy can be generated per mole of iso-octane.
Student A conducted the acid-catalyzed dehydration of ethanol at 180 degrees C and obtained a gaseous product. Student B conducted the same experiment at 140 degrees C and obtained a low boiling liquid. Draw mechanisms for the formation of the pro..
A solution containing 0.2 g/mL of a pure R enantiomer in a 1 dm polarimeter rotates plane polarized light by +3 degrees. What is the specific rotation of the R isomer. What will be the specific rotation of its S isomer
An energy maximum in a reaction-energy diagram would be labeled as which of the following?
describe the ph of a buffer solution consisting of 100 ml containing 0.1m ch3cooh and 0.125m ch3coo- both before and
calculate the total pressure when 1 l of ch4 at stp and four litre of oxygen at stp was combined in anbsp container of
A sample of propane occupies 250.0 L at 125 kPa and 38 degrees celsius. Find its volume at 100.0 kPa and 95 degrees celsius.
When 50.0 g of iron(III) oxide reacts with carbon monoxide, 32.8 g of iron is produced. What is the percent yield of the reaction? Fe2O3(s)+3CO(g)-->2Fe(s)+3CO2(g)
What is the nickel ion concentration in a solution prepared by mixing 451 mL of 0.414 M nickel nitrate with 465 mL of 0.364 M sodium hydroxide?
Explain why 0.10 M BaCl2 has a higher osmotic pressure that 0.10 M glucose and explain why molarity and molality are nearly the same in dilute solutions.
Lactic acid, C_3H_6O_3, is found in sour milk. A solution containing 1.00 g NaC_3H_5O_3 in 100.0 mL of 0.0500 M C_3H_6O_3 has a pH = 4.11. What is Ka of lactic acid
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