How many metric tons of oxygen combined in pitchblende
How many metric tons (t) of oxygen are combined in a sample of pitchblende that contains 2.5 t of uranium? Analysis shows that 84.2 g of pitchblende contains 71.4 g of uranium.
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XYZ Company uses the LIFO method for inventory costing. The company reported total inventory of $441 million on their balance sheet as of 12/31/2012.
An electron and a 0.0500-kg bullet each have a velocity of magnitude 450m/s, accurate to within 0.0100%. Within what lower limit could we determine the position of each object along the direction of the velocity?
Pure gold is 24 kt, whereas 18 kt gold jewelry typically contains 75% gold, 12.5% silver and 12.5% copper (by mass). Estimate the density of this 18 kt gold alloy.
A large aquarium of height 5.98 m is filled with fresh water to a depth of D = 2.40 m. One wall of the aquarium consists of thick plastic with horizontal length W = 7.10 m. By how much does the total force on that wall increase if the aquarium is
A metallic solid with atoms in a face-centered cubic unit cell with an edge length of 385 pm has a density of 6.84 g/cm3. Calculate the atomic radius of the metal.
The reading on the scale when the block is completely immersed in water is 25.8 N, and the reading when it is completely immersed in a liquid of density 869 kg/m3 is 26.7 N. (a) What is the block's volume? (b) What is the block's density?
Describe the various strategies for the excretion of nitrogenous wastes employed in higher animals (chordates), both human and non-human.
A Carnot refrigerator is operated between two heat reservoirs at temperatures of 320 K and 265 K.
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