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Determine the value of the rate constant at 320 K if the activation energy is 90.2 kJ/mol.At 300 K the rate constant is 1.5 x 10-5 /M·s for the reaction:
In an area where the magnetic field is B = 2.5i + 3.6j + 1.5k, an electron moves with velocity v = -3.0i + 4.0j - 3.5 km where B is in tesla and v is in meters per second. Determine the magnetic for
Explain why stem less funnels are required instead of long-stem funnels to filter the hot solutions by using the Fluted filter paper and also determine that what will a soluble impurity do to the m
A solenoid employed to generate magnetic fields for research purposes is 2.1 m long, having an inner radius of 28 cm and 1300 turns of wire. If running, the solenoid generated a field of 1.3 T in th
When an arsenic (III) sulfide reacts with the oxygen to form arsenic (III) oxide and the sulfur dioxide as represented by this equation:
The plane of coil lies in the plane of this page and the current is flowing via the coil in a counter-clockwise direction. Determine the direction of the field?
What changes in procedure would be required to isolate the product if the fumaric acid were more soluble than the maleic acid.
Determine the final velocity of B? Determine the change in the net kinetic energy (comprising sign)?
Calculate the mass percentage of acetic acid in the solution when the pH of a white vinegar solution is 2.45 and this vinegar is an aqueous solution of acetic acid with a density of 1.09g/mL.
Find out the mass percentage of ammonium base in the solution when the pH of ammonium oxide solution is 11.87 and the ammonium oxide is an aqueous solution of ammonium with a density of 1.00 g/mL.
You weigh 590 N at side-walk level outside the World Trade Center in New York City. Assume that you ride from this level to the top of one of its 410 m towers. Avoiding Earth's rotation, determine h
At 37 °C the solubility of cholesterol in the 95% ethanol is 32.5 mg/mL and at 7 °C is 11.5 mg/mL. Explain how much 95% ethanol is needed to dissolve the 1 g of cholesterol at 37 °C?
At the STP consider the three 1-L flasks. Where Flask A contains CO gas, flask B contains CO2 gas, and the flask C contains CH4 gas. Identify which flask contains the largest number of molecules?
A charge of q is moving with a velocity v at an angle θ with respect to the direction of the magnetic field B which points all along the x-axis. For what angle θ is the magnitude of the
Find out the partial pressure of CO2 if a gaseous mixture having 3.6 mol of Ar and 5.0 mol of CO2 had a total pressure of 9.0 atm.
Calculate the normal boiling point in the degrees Celsius of ethyl alcohol if a solution prepared by dissolving the 26.0g of glucose C6H12O6 in the 285g of ethyl alcohol which has a boiling point o
Four uniform spheres, having masses mA = 400 kg, mB = 700 kg, mC = 2000 kg and mD = 400 kg, encompass (x, y) coordinates of (0, 50 cm), (0, 0), (-80 cm, 0), and (40 cm, 0), correspondingly. Determin
Find out the limiting reactant, the percent yield and the theoretical yield. The reaction of 2.5 g of aluminum with 2.5 g oxygen gas formed 3.5 g of aluminum oxide.
Determine the radius of the circular orbit for (i) an electron having speed 4.0×10^6 m/s and (ii) a proton having speed 6.0×10^4 m/s?
Write down full ionic, a molecular and the net ionic equation for the reaction when an aqueous solution of lead (II) nitrate is mixed with an aqueous solution of the potassium iodide.
A wire lying all along the x-axis carry a current of 30 A in the +x direction. The proton at r = 2.5j consists of instantaneous velocity v = 2.0i - 3.0j + 4.0k, where r is in meters and v is in mete
Determine the values for the standard pressure and temperature? Why do standard reference values for temperature and the pressure have to be selected when we consider and compare the heats
When one person exerts an upward force equivalent to 60.0 N at one end, determine at what point does the other person lift? What force does another person lift?
Calculate the molality of the solution if it freezes at -2.0 degrees Celsius and when an aqueous solution contains the amino acid glycine, NH2CH2COOH.Assuming that the acid does not ionize in water
Complete square on both x and y terms to rewrite equation 4x^2 - 6y^2 - 8x + 24y - 44 = 0 so that you can utilize rewritten equation to associate this equation to the particular conic section. Draw