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Explain in detail how much heat is absorbed/released when 30.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) as well as H2O(l) according to the following chemical equation? 4 NH3(g) + 5 O2(g) ? 4 NO(g) + 6 H2O(l) ?H° = 1168 kJ
The formation constant of a complex ion [M(NH3)4]2+(aq) is 3.8E8. If a solution is prepared by adding 0.6 mol of [M(NH3)4]Cl2 to 275.0 mL of water, what is the equilibrium concentration of free M2+(aq) ions?
According to the activity series, which of these metals will react with most acids to produce H2 gas?
Dissolve the compound in the better solvent at just above freezing point and then add boiling portions of the poor solvent in 5mL increments until recrystallization is complete
Calculate the theoretical mass of solid formed. If the reaction in question 1 has 91.2%yield, calculate the actual mass of solid formed
What is the percent H2SO4 for a solution consisting of 4.62 equivalencies of H2SO4 mixed with 11.2 kg of water if both portions
What is the temperature at which the solution of KI will freeze if the solution contains 52.43 grams of KI dissolved in 479.1 grams of water.
Which of the following options give the correct relationships between the decimal prefixes? Select all that apply. Pay close attention to the sign and magnitude of exponent. -1 mL= 1x10^3 microliters -1GHz=1x10^6 Hz -10^3 kg=1 g -10^9 nm=1m -10ps=..
Consider dissolving ammonium nitrate, NH4NOS (S) for which ?H(circle) = +25.3 kJ/mol. If 133 grams of ammonium nitrate are dissolved in 367 grams of water, and the initial temperature is 25 degrees C, what will be the final temperature of the solu..
At -13.0 °C (a common temperature for household freezers), what is the maximum mass of sucrose (C12H22O11) you can add to 3.00 kg of pure water and still have the solution freeze?
Suppose 41.19 g of sulfuric acid is mixed with 10.75 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction.
How many liters of a 18.0%(m/v) glucose solution would you need to obtain 160 g of glucose
What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 × 10-5]
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