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The standard free energy change for the reaction of nitrogen gas with hydrogen gas to produce ammonia is -32.9 kJ. Calculate the equilibrium constant for this reaction at 25°C.
The 20 mL of water added to the Erlenmeyer flask is to be previously boiled, deionized water. Since water does absorb CO2 from the atmosphere and since CO2 dissolved in water causes it to be slightly acidic,
Draw the Fischer projection of the enantiomer of (4S, 5S)-5-sec-butyl-4-(1,1-difluoromethyl)nonane
1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
A 35 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after 30 mL of acid have been added.
A chemist studying the properties of photo- graphic emulsions needed to prepare 500 mL of 0.18 M AgNO3 (aq). What mass of silver nitrate must be placed into a 500 mL volumetric ?ask, dissolved, and diluted to the mark with water? Answer in units o..
Calculate how many atoms of potassium A three mole sample of K2S would have and Calculate the current for diffusion-controlled electrolysis
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
You need to determine value of ?G° for CO(NH2)2(s) + H2O(l) CO2(g) + 2NH3(g)?
An ideal gas at 300 K has an initial pressure of 15 bar and is allowed to expand isothermally to a pressure of 1 bar. Calculate: the maximum work that can be obtained from the expansion
16.2g iron(III) chloride reacts with 3.33g NH2OH in acid to produced N2O gas. a) Write a balanced, net ionic equation.
how many moles of oxygen are required to react completely with 5 mol C8H18?
Container A holds 727 mL of ideal gas at 2.20 atm. Container B holds 134 mL of ideal gas at 4.20 atm. If the gases are allowed to mix together
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