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Compute the standard heat of formation of acetaldehyde CH3CHO (g) given the following informationCH3CHO (g) + 5/2 O2 (g) --> 2H2O (l) + 2CO2(g) ΔH =-1194 kJΔH degrees f H2O (liq) = -286 kJ/molΔH degrees f CO2 (g) = -394 kJ/mol
Sometimes redox reactions happen differently in acidic or basic solutions. Explain, in your own words, the difference in how you balance a reaction in acidic solution and basic (alkaline) solution.
An industrial factory utilizes electrolysis in its production. Explain how many minutes would a solution of Co3+ have to be electrolyzed with a 3.810 a current to plate out 2.68 g of Co
A 10.0 mL sample of household ammonia solution required 18.15 mL of 0.320 M HCI to reach neutralization. Calculate(a) the molar concentration of the ammonia and (b) the mass/mass % concentration of ammonia (17.04g/mol). given a solution density of..
1 in the reaction where the potassium chlorate is decomposed into potassium chloride and oxygen. how much oxygen can be
What is the molarity of that forms when 20.0 of zinc completely reacts with according to the following reaction? Assume a final volume of 285 .
There are significant differences between Bacteria and Eukaryotes in the manner in which genetic information becomes functional gene product
A cube of Al is needed to have the mass of 93.5. What must be the length of the cube's edge in cm?
What is the pH of a solution made by mixing 40.00 mL of 0.100 M HCl with 25.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive.
in the determination of the specific heat of a metal why is it desirable to use the minimum volume of water that will
Which answer lists all of the following responses that are endothermic and none that are exothermic? 1. boiling water 2. freezing water
if you burn 10.00g of octane. if the temperature is 500K, and you have an expansion of 1.00 atm, how much work in joule can be done by the system if the octane is completely converted to CO2 and water vapor. what will be the enthalpy change
how many grams of oxygen are collected in a reaction where 231 ml of oxygen gas is collected over water at a
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