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What gas was produced by the decomposition of hydrogen peroxide?
What happened when the smoldering toothpick came into contact with the gas?
A 1.000 gram sample of an alcohol was burned in oxygen to poduce 1.913g of CO2 and 1.174g of H2O. The alcohol contained only C,H, and O. What is the simplest formula of the alcohol
Given the following vapor pressures at 20 degrees Celsius, arrange the compounds in order of increasing boiling point: butane, 1,650 mm Hg; acetaldehyde, 740 mm Hg; Freon-113, 284 mm Hg.
You have 500.0mL of a buffer solution containing 0.20 M acetic acid (CH3COOH) and 0.30 M sodium acetate(CH3COONa). Explain what will the pH of this solution be after the addition of 20.0mL of 1.00 M NaOH solution
What is the concentration of the acetic acid solution?
Considering TLC and semi-microscale column chromatography techniques: how are they similar and how are they different? Make sure you explain how they are different in terms of polarity (bottom of TLC plate but top of column). What is the role of t..
How many moles of ethanol (CH3CH2OH) are in 141 mg? Please show all work.
How many grams of silver nitrate does it take to react completely with 7 mol Cu?
Zinc metal is produced by the reaction of its oxide with carbon monoxide at high temperature. The equlibrium constant for the equation
consider a reaction of 50.0 ml of 1.12 mhc2h3o2 with 50.0 ml of 1.27 mnh3. calculate the number of mole of hc2h302 and
Which of these compounds are soluble in water. AgNO3, KCl, NaCl, AgCl, Al(OH)3, BaSO4, Ca(OH)2, H2SO4
A diatomic gas does 315 J of work and also absorbs 580 cal of heat. What is the change in internal energy of the gas?
The jewelry contains only gold and silver, which have densities of 19.3 and 10.5 , respectively. If the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in th..
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