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When 37.2 L ammonia and 42.0 L oxygen gas at STP burn, nitrogen monoxide and water are produced. After the products return to STP, how many grams of nitrogen monoxide are present?
= g??<< what is the answer?
NH3(g) + O2(g) NO(g) + H2O(l) [unbalanced]
A 355 m-L container holds .146 g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 626 mmHg. Calculate the moles of Ar present.
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
The electron transport chain complexes that have higher electron affinities steal electrons from those with lower electron affinities.
A 343 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland
If 125 cal of heat is applied to a 60.0 g piece of copper at 25.0 C, what will the final temperature be? The specific heat of copper is 0.0920 cal/(g.C}) .
Complete the following reactions by replacing the question mark with the appropriate formula. Choose the correct enzyme or enzyme class.
A 303- sample of unknown solution reacts completely with to form 14.1 . What was the concentration of the solution?
The angular / azimuthal quantum number equals 6, how many distinct magnetic quantum values are possible? (m sub l)
The pressure of 6.0 L of an ideal gas in a flexible container is decreased to one-eighth of its original pressure, and its absolute temperature is decreased to one-fourth of the original. What is the final volume of the gas?
C2H4+3O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent
The solubility product constant at 25 C for AgI(s) in water has the value 8.3x 10-17. Calculate Delta G rxn at 25 C for the process AgI (s) --> Ag+ (aq) + I- (aq) where (Ag+)= 9.1 x 10 -9 and (I) = 9.1x10-9
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