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We a lot specify distance in terms of time: Chicago is 3 hours away or Bloomington is an hour away. Explain what do we mean by that? Ligt takes 500 seconds to get to earth from the sun. Explain how far is the sun?
the first-order rate constant for the reaction of methyl chloride ch3cl with water to produce methanol ch3oh and
A 2.41-L container is filled with 189 g argon. If the pressure is 10.0 atm, what is the temperature?
Use the pKa cata to help you predict the products of the reactions. Use curved arrows to show electron flow. Predict whether the equilibrium lies to the left or to the right and calculate the equilibrium constant for the reaction.
calculate the mass of c2h6o2 that must be added to 1.00 kg of ethanol c2h5ohto reduce its vapor pressure by 13.2 torr
A solution containting 1.45g of an unknown substance in 26.5g of succinonitrile was found to freeze at 34.4 degrees celcius. what is the molar mass of the unknown substance.
the density of aluminum is 2.70 gcm3. a piece of foil that is 10.00 cm on each side has a mass of 440. mg. how thick is
The subsequent table gives the first ionization energies for the noble gas elements. Utilizing electron configurations, Define why the first ionization energy decreases with increasing atomic number.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places
What effect would each of the following erros have on the determined concentration of the unknown acid? (would the calculated value be too high, too low, or unchanged?) explain
Suppose that 24 of each of the following substances is initially at 29.0. What is the final temperature of gold upon absorbing 2.30 of heat?
what is the minimum number of moles of sodium hydroxide required of this hydrolysis reaction to go to completion and what is the limiting reagent in this experiment?
the Fischer esterification experiment why was the majority of the ethanol boiled off prior to extraction and why was the reaction vial cooled
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