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Question
What is the total volume in cubic centimeters of the calibrated volume of the graduated cylinder?
Determine the concentrations of BaBr2, Ba2 , and Br- in a solution prepared by dissolving 1.62 × 10-4 g BaBr2 in 1.50 L of water.
draw an energy diagram that explains why pyridine is a better nucleophile and leaving group in the following
When 45.0 g of an unknown nonvolatile nonelectrolyte is dissolved in 500.0 g of water, the resulting solution freezes at -0.930 °C. What is the molar mass of the unknown substance? Kf = 1.86 °C/m for water.
what is the percent yield of a reaction in which 266 g phosphorus trichloride reacts with excess water to form 134 g
Write and balance the molecular equation and then give ionic and net ionic equations for the neutralization reaction between Ba(OH)2(aq) and HF(aq). Assume the salt formed in this neutralization reaction is insoluble.
Metals Covalently Bonded to Benzene, Specifically interested to know why you don't see metals bonded to benzene with a covalent sigma bond. I am not interested in metal benzene complexes.
A sample of oxygen gas has a volume of 545 mL at 35°C. The gas is heated to 151ºC at constant pressure in a container that can contract or expand. What is the final volume of the oxygen gas
Explain what is the final temperature of the block after the evaporation of the alcohol. Presume that the heat required for the vaporization of the alcohol comes merely from the aluminum block as well as that the alcohol vaporizes at 25.
Until the early 1960s the group 8A elements were called the inert gases; before that they were called the rare gases. The term rare gases was dropped after it was discovered that argon accounts for roughly 1% of Earth's atmosphere. Why was the ter..
An unknown solution forms a white precipitate when treated with 6 M HCL. The precipitate is incompletely soluble in hot water but dissolves completely in NH3. What ion(s) are definitely present
Calculate the expectation values of x and x^2 for a particle in the state n=2 in a square-well potential?
a pure diamond with a mass of 0.1000 g contains 5.014 1021 carbon atoms and has a density of 3.52 gcm3.what is the
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