Calculate the average molar mass of the sample
Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 39% of the lighter isotope (with the balance being 7Li), calculate the average molar mass of the sample.
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Identify the factors that are considered in classifying an expenditure as a capital or a revenue expenditure. Are there instances where it may be difficult to classify an expenditure as one.
Consider the circuit in the figure below. Take = 6.00 V, L = 6.00 mH, and R = 8.00 O. What is the inductive time constant of the circuit?
Loris purchased educational saving bonds to help finance her son's education. She paid $4000 for the bonds. The bonds matured at $6000 and the son used $2500 to pay his tuition for the first semester.
On a frictionless air track, a 0.125 glider moving at 1.05 to the right collides with and sticks to a stationary 0.235 glider. What is the net momentum of this two-glider system before the collision?
A corporation provided its employees with health insurance coverage. The premiums for each employee are $10000 a year, which of the statements is correct if the corporation's plan discriminates in favor of its highly paid employee?
The heat capacity of the bomb calorimeter is 34.65 kJ/K and the combustion of 1.765 g of ethanol raises the temperature of the calorimeter from 294.33 K to 295.84 K.
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Bjorn is standing at x1 = 550 m. Firecracker 1 explodes at the origin and firecracker 2 explodes at x2 = 850 m. The flashes from both explosions reach Bjorn's eye at t = 4.0 \mu s.
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