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Question: What is the radius of an aluminum nucleus? Is your answer consistent with the observation that Rutherford's theory does not hold for a head-on closest approach of 5.5fm?
Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90º bond angle in it.
A 25.00mL sample of vinegar is diluted with water to a final volume of 250.0mL. A 25.00mL portion of the diluted vinegar is then titrated with 0.0998 M NaOH. If 22.43mL of NaOH is needed to reach the equivalence point, what is the original concent..
Some NOCl(g), intially at 1.000 atm, is placed in an empty reaction vessel. At equilibrium, the total pressure is 1.135 atm. Assuming the partial pressures are in atmospheres, what is Kp for the reaction below?
What wavelength, of light would be necessary to ionize an electron at the n = 3 state in a He+ cation
The water level in a graduated cylinder initially at 225 rises to 278 after a piece of lead is submerged. What is the mass in grams of the lead?
bacl2nbsp na2so4nbspharrbaso4nbsp nacl-gravimetric determination of sulfate1 a procedure similar to the described in
what volume of methane, measured at STP, must be burned? (ΔH°combustion for CH4 = -891 kJ/mol)
Write a balanced chemical reaction for the formation of "soap scum" from a mixture of soap and "hard" water
In reality, the gas would condense into a liquid as it approaches zero. Does this affect the conclusions reached regarding the value of absolute zero?
When 0.500 mol of N2O4 gas is placed in a 2.50 L reaction vessel and heated to a set temperature, 65.3% of the N2O4 decomposes. Calculate Kc for the decomposition rxn.
Which instrument can be used to determine the total calcium in a small blood sample.suggest a second method suitable for determine the free calcium ions on a similar sample of bood.
Iodine -131 undergoes beta emission with half life of 8.02 days.nif you start with 44.3mg of material.How long will it take for the amount of iodine to drop to 15.3mg
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