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Although the viscosity varies over a factor of more than two in the series from hexane to nonane, the surface tension at at 25 degrees Celsius increases by only about 20% in the same series. How do you account for this?
Draw (A) a 1o alcohol with four carbons; (B) a 3o iodide with five carbons; (C) a 2o alcohol with a 1o chloride on three carbons; and (D) a methyl bromide.
A 787 mL gas sample at STP is compressed to a volume of 226 mL, and the temperature is increased to 29?C. What is the new pressure of the gas in Pa.
What was the volume of the aluminum cylinder in cm3? The mass of the aluminum cylinder was determined to be 30.1 grams. What is the density of the aluminum?
A solution of ammonia and water contains 3.50×1025 water molecules and 5.80×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
what is the conduction electron density of copper/ Answer should be stated as number of conduction electrons per cubic meter.
what is the global pH change incurred after injection of the HCl? What would the pH change be if the same amount of 1.000 M HCl were put into a gallon of pure water?
Classify the substances CaCl2, CuSO4, NH3, C2H5OH according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution from the following choices
The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)
For the aqueous reaction 2Cr3+ + 3IO4- +10OH- = 2CrO42- + 3IO3- + 5H2O, under a given set of conditions, the rate of appearance of CrO42- is 3.0 x 10-4 mol/L•s. What is the rate of disappearance of IO4-
How much heat is liberated at constant pressure if .889 g of calcium carbanate reacts with 43.9 ml of .756 M hydrochloric.
If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determine the specific heat of methanol.
consider the following reaction at a fixed temperature. 2so3g 2so2g o2g when the initial concentration of so3g is
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