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Consider the following distribution of objects: a 1.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 2.40-kg object at (4.00, 0) m. Where should a fourth object of mass 7.00 kg be placed so that the center of gravity of the four-object arrangement will be at (0, 0)?
Calculate the theoretical yields of the compounds to be prepared in this experiment. The metal ion in both cases is the limiting reagent.
A 50.0-mL volume of 0.15 M is titrated with 0.25 M KOH. Calculate the pH after the addition of 20.0 mL of KOH.
If the current price of 30. g of vanillin is $112, determine the cost to supply enough vanillin so that the aroma could be detected in a large aircraft hangar with a volume of 3.8 x 10^7 ft^3.
Write out the Michaelis-Menten model for an enzyme catalyzed reaction. State at least two assumptions that must be made for enzymes that follow the Michaelis-Menten model.
the mass spectrum determined the molecular weight of mehtyl salicylate to be 125.15 g/mol. What is the molecular formula of methyl salicylate?
using phosphoric acid what is the ph of the solution if u add 1.524g of phosphoric acid to enough water to make 100.0ml
what is the work in joules done on the system to compress He gas from 24.0 L to 12.5 L against a pressure of 1.5 atm at a constant temperature of 37.4 C?
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C5H10: 1.5, s
1.explain what it means that the atomic mass of naturally occurring ag is a mixture of its two isotopes forms is
The diluted reference is placed in a cell with a 1.00-cm light path. You then take 35.0 mL of the well water, treat with HNO3 and excess KSCN, and dilute to 100.0 mL. This diluted sample is placed in a variable pathlength cell. The absorbance of t..
Question- when you burn gasoline in an automobile engine, chemical energy is converted to heat and mechanical energy, explain how this transformation is consistant with the first law of therodynamics
Suppose you have made 1L worth of a mixture of methanol and water, by mixing 3 parts of methanol and 2 parts of water by mass. Assume for simplicity that the volume of the mixture is exactly equal to the sum of the volumes of the ingredients (whic..
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