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A disk has a moment of inertia 3.0 x 10-4 kg. m2 and rotates with an angular speedof 3.5 rad/sec. What net torque must be applied to bring it to restwithin 3 s?
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 2-methyl-2-butanol as the MAJOR product
the equation of line determined from a Beers law plot is y=0.195x+0.4, what is the resistance of an unknown water sample if the assumed concentration is 1.8ppm. please show your work.
Suppose that 0.570 mol of methane is reacted with 0.720 mol of fluorine forming CF4(g) and HF(g) as sole products.
Although Pd (II) complexes with monodentate O-donor ligands are not as plentiful as those with P- , S- and As-donor Ligands
what can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of
17.5 kj of heat is required to melt 52.5g of ice at its melting point. How much heat is required to raise the temperature of 52.5g of water from its melting point to its boiling point. express answer in kj.
Suppose that 1.08 g of rubbing alcohol (C3H8O) evaporates from a 75.0 g aluminum block.If the aluminum block is initially at 25 C, what is the final temperature of the block
One mole of an ideal monatomic gas initially at 300K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of ..
A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. Measurement shows that the silver electrode is positive. Write balanced half-reactions and the overall spontaneous reaction.
Calculate the number of moles of quicklime, CaO, that would be produced by the decomposition of 30.0 moles of limestone, CaCO3, in the following reaction.
consider the reaction 4 fes 3 o2g rarr 2 fe2o3s.if 12.5 g of ironiii oxide rust are pro- duced from 8.74 g of iron how
What is the partial pressure of hydrogen in the collection flask? (Note that the hydrogen is collected over water so there will be gaseous water in the flask along with the hydrogen. At 23°C, the pressure of gaseous water is 21.07 torr. The total ..
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