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Ammonia reacts with diatomic oxygen to form nitric oxide and water vapor: 4NH3 + 5O2 > 4NO + 6H2O When 20.0 g NH3 and 50.0 g O2 are allowed to react, which is the limiting reagent? How much water is produced and how much is left of the excess reagent
Calculate the normality of a KMnO4 solution if 32.38 mL of a 0.1431 N Fe2+ solution is required to react with 15.92 mL
If the water initially has a temperature of 26 0C, how many kilojoules of heat must be removed to cool and freeze the water at 0 0C?
For the reaction 2C6H6 + 15O2 → 3CO2 + 6H2O 30 grams of C6H6 are allowed to react with 79.09 grams of O2.
The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial concentration. How long will it take for 10% of the U-238 atoms in a sample of U-238 to decay?
Calculate the heat released when 71 g of steam at 116 degrees C is converted to water at 39 degrees C.
mixture of 2-amino-propanoic has a specific rotatio of -5.6. What is the percent composition of the mixture of the specific rotation for the S enantiomer is +14.5
A 4.78- sample of aluminum completely reacts with oxygen to form 6.67 of aluminum oxide. Use this data to calculate the mass percent composition of aluminum in aluminum oxide.
Examine the label of any vegetable oils, solid shortening, margarine, or butter you might have on hand. Identify the oil or fat and report the level of saturated, mono-unsaturated
calculations to determine the amount of ascorbic acid? Does the volume of ascorbic acid solution added before titration influence how much iodine solution will be needed?
What is the product of toluene+ conj base of alcohol? ( a ring with a O- ) also, where does equilibrium lies?
The specific rotation of the pure R-enantiomer of a compund is +80 degrees. What is the composition of R- and S-enantiomers in a mixture
Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution:a solution that is 0.165M in HC 2 H 3 O 2 and 0.120M in KC 2 H 3 O 2.
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