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The method of maximum likelihood for estimating p states that we should choose the value for p that gives the highest probability of getting what we got on the experiment.
A scientist measures the standard enthalpy change for the following reaction to be -1053.4 kJ : 2H2S(g) + 3 O2(g) 2H2O(g) + 2 SO2(g) Based on this value and the standard enthalpies of formation for
Pool players often pride themselves on their ability to impart a large speed on a pool ball. they have placed you in charge of determining the speed of the players\' break shots
Small amounts of hydrogen gas are often produced by reaction of zinc with HCl; Zn(s) + 2 HCl(aq) ® H2(g) + ZnCl2(aq) How many liters of H2 gas, collected over water at a pressure of 176.6 mm Hg
Hydration of alkynes (via oxymercuration) gives good yields of single compounds only with symmetrical or terminal alkynes. Draw the major organic product(s) formed when hex-2-yne undergoes hydration
Predict the products when 1-propanol is heated in the presence of an acid. please include a picture of it. Really appreciate it.
The current in a 100 watt lightbulb is 0.900 A . The filament inside the bulb is 0.280 mm in diameter. What is the current density in the filament
What is the proof of that a diagonal matrix multiplied by a diagonal matrix results in a diagonal matrix
Chlorine in a basic hydroxide solution produces chlorate and chloride ions. Write a balanced redox equation for the disproportionation.
Did you firm earn profit or incurred loss at the end and make a small comment on your financial position at the end.
The acid dissociation constant (Ka) of caffeineH+ is Ka = 0.25 M. If a cup of tea has a pH of 7.6, what should be the ratio of concentrations of caffeineH+ to unprotonated caffeine in the tea
A generator connected to an RLC circuit has an rms voltage of 120V and an rms current of 34mA. what is the inductive reactance of the circuit
When natural gas (mainly CH4) is burned with 10 percent excess air, in addition to the main gaseous products of CO2 and H2O, other gaseous products result in minor quantities. The Environmental Prot
In the figure to the left, the pulley (which is in the form of a disk) has a mass of 7.50 kg and a radius of 35 cm. What is the speed of the iron block
How many grams of ether solute and THF solvent is required to make 2432 g of a 5 m solution? This is on my notes but for some reason I do not understand how the professor get the answer 2436 to this
Show that the Earth's orbit will be a parabola (and so the Earth will escape to infinity) and If the Sun's mass suddenly doubles, what will be the Earth's orbital period?
A long horizontal wire carries a current of IT = 46.9 A. A second wire (I), made of 3.00 mm diameter copper wire and parallel to the first but L = 13.8 cm below it, What is the current in the lower
The molar stoichiometric ratio of nitrogen produced to ammonia reacted in the reaction equation is one to one, and the mol CO2/mol C6H12O6 = 2. How much (in g mol) (a) glycerol was produced and (b)
In constructing a large mobile, an artist hangs an aluminum sphere of mass 5.3{\rm kg} from a vertical steel wire 0.42{\rm m} long and 3.0×10?3{\rm cm^2} in cross-sectional area. Compute the e
What is the IUPAC name of the most minor product formed when 3-methyl-2-hexanol undergoes elimination with sulfuric acid
State whether you would expect the entropy change, delta S, to be positive, negative, or approximately zero for each of the following reactions: (a) A + B --> C (b) A + B --> C + D (c) A -->
Calculate the maximum value of resistance that can be obtained by combining resistors of 34 Ohms , Calculate the minimum value of resistance
thermal equilibrium is reached, the temperature of the aluminum sample plus water mixture is 29.4 degrees C. What is the specific heat of aluminum
Why is NaHCO added to the freshly brewed tea, prior to extraction with CH?Cl. If an intractable emulsion is produced during extraction of caffeine, how might you attempt to break up the emulsion
How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form