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Of the following substances, only _______has london dispersion forces as its only intermolecular force A)NH3 B)HCl C)CH4 D)H2S E)CH3OH *I know all molecular substances have this force (polar or nonpolar) but nonpolar molecules only have this force and nothing else. How do I know if these molecules are polar or nonpolar?
With two dice, each numbered 1-6, there are two possible ways to roll a 3: Thus, for the outcome of 3 (a particular macrostate) there are 2 microstates. How many possible ways are there to roll a 6
B: A 75.0 mL colume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 27.0mL of HNO3.
A gas is compressed from an initial volume of 5.60L to a final volume of 1.24L by an external pressure of 1.00 atm. During the compression the gas releases 127J of heat.
calculate the ph during the titration of 100.00 ml of 0.200 m hno3 with 0.400 m koh after 0 25.00 50.00 and 75.00 ml of
The solubility of oxygen in water at 25 C and 1.0 atm pressure of oxygen is .041 g/L. The solubility of oxygen at 3.0 atm and 25 C is what
a pharmaceutical preparation made with ethanol c2h5oh iscontaminated with methanol ch3oh. a sample of vapor above
The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produced 36.5 {rm g} of sodium upon decomposition. How much fluorine (in grams) was formed?
What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings
How much heat is required to raise the temperature of 205 g CH3OH(l) from 22.0 to 30.0 C and then vaporize it at 30.0 C? Use data from Table 12.1 and a molar heat capacity of CH3OH(l) of 81.1 J mol-1K-1.
what is the molality of a solution of glucose that contains 48.0 g of c6h12o6 dissolved in 410.0 g of water? use molar
A mass/ volume plot comprises two measured properties mass and volume and one computed property density. How does the plot demonstrate the intensive or extensive nature of each of these properties
Suppose you carry out a kinetics experiment on this reaction with initial concentrations [A] = 10.0 M and [B] = 0.025 M, and you follow [B] vs. time. Describe the plot you would get. What is the value of the observed rate constant?
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