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When sensors in a car detect a collision, they cause the reaction of sodium azide, NaN3, which generates nitrogen gas to fill the air bags within 0.03 s. 2NaN3(s)→2Na(s)+3N2(g) How many liters of N2 are produced at STP if the air bag contains 111g of NaN3?
a 10.00-ml sample of vinegar which is an aqueous solution of acetic acid hc2h3o2 is titrated with 0.5062 m naoh and
how many grams of sodium sulfate should be added to how many grams of sulfuric acid to give 1.00 l of buffer with ph
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
Obviously occurring element X exists in three isotopic forms: X-28 (27.977 amu, 92.21% abundance), X-29 (28.976 amu, 4.70% abundance), and X-30 (29.974 amu, 3.09% abundance). Compute the atomic weight of X
Problem- A student added three mL of KMnO4 instead of the three drops of 0.1 M KMnO4. How will these affect this results? What do you think will be observed in each solution
Differentiate between the terms strength and concentration as they apply to acids and bases. When is HCL strong? Weak? Concentrated? Dilute? Answer the same questions for ammonia.
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
A calorimeter that contains 2500 g of surrounding water is used to measure the heat associated with the reaction of 520 g of a reactant. Calculate the energy, in joules per kilogram of reactant, associated with the reaction
A 10.0 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
The activation energy of a certain reaction is 47.9 kJ/mol. At 27 Celsius, the rate constant is 0.0120 s^-1. At what temperature in degrees Celsius would this reaction go twice as fast
Calibration standards. Transfer 1.00, 5.00, 10.00, 15.00 and 20.00 mL aliquots of 10ppm F- solution to 100 mL flasks. Add 50 mL of TISAB containing CDTA to each
What is the osmotic pressure developed at 17 oC by an aqueous solution that is 0.111 M in AlCl3
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