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Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1 atm and 25 °C) Use enthalpy of formation data to calculate the number of moles of CO2 (g) produced per megajoule of heat released from the combustion of each fuel under standard condition (1atm and 25 degrees celcius) a)Coal , C (s, graphite) b) Natural gas, CH4(g) c) Propane, C3H8 (g) d) Octane, C8H18 (l) ( delta Hf= -250.1 kJ . mol ^-1 All these answers have to be in mol.MJ^-1
What volume of fuel should you bring? Assume each of the following: the fuel has an average formula of 15 of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings)
Household vinegar is 5.0% acetic acid (CH3COOH). IF you have 240.0 mL of vinegar, how many molecules of CH3COOH would there be?
What type of polymer are the chains packed less tightly together, resulting in lower melting points and a softer texture
Explain how the calculated formula of the hydrate would be changed if water from the air is absorbed by the hot dry sample as it cools.
a mass of 0.120 g was dissolved in water and neutralized with 21.0 mL of NaOH. Calculate the molarity of NaOH.
Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.
If the Ka of a monoprotic weak acid is 8.0 × 10-6, what is the pH of a 0.41 M solution of this acid
What chemical reaction takes place when solid sodium sulfide is dissolved? Explain by writing the chemical equation. Include physical states for all species (including liquid for water).
Draw the correct structure for (3S,4S)-3,4-dimethylhexane. Show stereochemistry clearly. To ensure proper grading, explicitly draw all four groups, including wedge/dash bonds
Why is it necessary to first "process" the broccoli before preparing the test sample? What factors are affected that will adversely influence
What is the stoichiometric relationship between IO3- and I2? b. What is the stoichiometric relationship between I2 and S2O3 2-? c.
write a balanced chemical equation for the reduction of dl-camphor by NaBH4. Assume all H of NaBH4 are used in the reduction.
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