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Lewis structures of acids and bases
1. Draw the Lewis structure of the conjugate base for the following acid: H2SO4. Remember to include charges and non-bonding electrons where necessary. Use an expanded octet on sulfur to minimize formal charges.
2. Draw the conjugate acid for the following base. ::Cl::- Remember to include charges and non-bonding electrons where necessary.
3. Determine the dissociation constants for the following acids. Express the answers in proper scientific notation where appropriate.
Acid PKa KAA 3.0B 8.10C -1.0Which is the strongest acid?
4. Rank the given compounds based on their relative acidities.HF, H2C=CH2, NH3, H3CCH3, HC-=CCH3
Rb has two naturally occurring isotopes 85Rb and 87Rb, with masses 84.9118 amu and 86.9092 amu, respectively. The average atomic mass is 85.468 amu.
a 0.5224-g sample of an unknown monoprotic acid was titrated with 0.0998M of NaOH. the equivalence point of the titration occurs at 23.82ml. Determine the molar mass of the unknown acid
Considering the Heisenberg's uncertainty principle, compute the uncertainty in the position of: a 1.50-mg mosquito moving at a speed of 1.40 m/s (if the speed is known to within a + or - 0.01 m/s)
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium.
You burn 0.0956 g of the compound and isolate 0.1356 g of CO2 and 0.0833 g of H2O. What is the empirical formula of the compound.
heat capacity of the bomb calorimeter is known to be 10.6 kJ/C From previous measurements,. Now determine the mass percent of naphthalene(C10H8) in the sample?
Battery acid is 35% sulfuric acid in water and has a density of 1.29g/ml. What is the mass of sulfuric acid in 1.00L of battery acid?
Suppose that 160 g of ethanol at 30?C is mixed with 230 g of ethanol at 76?C at constant atmospheric pressure in a thermally insulated vessel.
A system conducts 238 cal of heat to the surroundings while delivering 331 cal of work. what is the change in internal energy of the system (in cal).
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid.
The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell by 8.52 K when the copper block released 64.5 J of heat. What is the mass of the copper block?
.20g of methyl alcohol, CH3OH, are dissolved in 16.8g of water, H2O. What is the mole fraction of the solute.
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