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Wine goes bad soon after opening because the ethanol (CH3CH2OH) in it reacts with the oxygen gas (O2) from the air to form water (H2O) an acetic acid (CH3COOH). What mass of ethanol is consumed by the reaction of 5.9g oxygen gas?
this method requires 12 n sulfuric acid. concentrated sulfuric acid is 18 m. how was the acis for this experiment
When 2.00 g of hydrazine (N2H4) decomposed under constant-pressure conditions, 7.00 kJ of heat were transferred to the surroundings. What is pH for the following reaction? 3 N2H4(l) --> 4 NH3(g) + N2(g)
Write balanced molecular, total ionic and net ionic equations for the reaction of aqueous copper (II) sulfate and aqueous sodium sulfide. Be sure to include proper phase labels.
The gaseous hydrocarbon butane, C4H10, burns according to the following equation:
consider the decomposition of the compound c5h6o3 as given. c5h6o3 g rarr c2h6 g 3 co g and determine k for this
Sodium atoms emit light with a wavelength of 330 nm when an electron moves from a 4 p orbital to a 3 s orbital. What is the energy difference between the orbitals in kilojoules per mole?
Compute the density of both an ideal as well as a hard sphere gas with molar mass 30 grams/mole that has a b parameter of 0.037 L/mol. The pressure is 1000atm and the temperature is 50 K.
What is the pH of the solution which results from mixing 50 mL of 0.50 M NH3 (aq) and 50 mL of 0.50 M HCL (aq) at 25oC (Kb for NH3=1.8X10^-5)
Problem- At 1 atm, how much energy is required to heat 75.0 g of H2O(s) at -12.0 degree C to H2O(g) at 153.0 degree C
Question- Why does it take 10 water molecules to break down an oligosaccharide that contains 10 glucose units
at 25 degrees celsius the first-order rate constant for a reaction is 2.0x103 s-1. the activation energy is 15.0 kjmol.
An excited hydrogen atom emits light with a frequency of 1.14x10^14 Hz to reach the energy level for which n=4. In what principle quantum level did the electron begin
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