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What is the oxidation state of an individual nitrogen atom in KNO3. What is the oxidation state of each individual carbon atom in ?C2O4^-2
Alberta is going to have dinner at her grandmother's house, but she is running a bit behind schedule. What is the slowest speed at which she could drive
If 142 x 10 power of 6 metric tons of SO 2 are released per year by fossil fuel combustion, the mass of sulfur in this amount of SO2
use the factor label method to determine what quantity of 5.00x10 -3 M EDTA would be needed to mtitrate ml of water containing .0124 g of calcium carbonate
A charge of -3.9 micro-coulombs is launched from the positive plate of a large capacitor to the negative plate. At the positive plate, what is the distance between the plates
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. What is the average power delivered to the tissues
Calculate the equilibrium concentrations of IO3- and Cd2+. Assume volumes are additive, and the temperature remains constant
A bullet is fired through a board, 18.0 cm thick, with its line of motion perpendicular to the face of the board. find the bullet's acceleration as it passes through the board
You drive at 65 mi/h towards the east for 2 hours and then turn towards the north and drive at 56mi/h for 1 hour. find the average speed and average velocity
25.00 mL of a tap water sample is titrated with5.00x10-3 M EDTA solution. 6.25 mL are required to reachthe endpoint. What is the hardness of the water in ppm
Explain if you have an equimolar mixture. If not, discuss how you would achieve equimolar condition. Show calculations if necessary.
submarine on the ocean surface receives a sonar echo indicating an underwater object. What is the object's depth
Air bags in automobiles inflate when sodium azide, NaN3, rapidly decomposses to its component elements: 2NaN3(s)-----2Na(s)+3N2(g). a)how many moles of N2 are formed by the decomposition of 2.50 mol
A tight uniform string with a length of 1.80m is tied down at both ends and placed under a tension of 100N/m. What is the mass of the string
A ball is thrown horizontally from the top of a 60.0-m building and lands 100.0 m from the base of the building. Ignore air resistance. What must have been the initial horizontal component of the vel
If 1000.0 mL of 1.5M sodium hydroxide is mixed with 1000.0mL of 1.5M hydrochloric acid, after the reaction is complete, what are the concentrations of all the ions remaining in the solution
explain why pure water does not conduct electricity and what happens when a strong electrolyte is dissolved in it
C6H6 gas is burned in the presence of excess oxygen. What volume of liquid water could be condensed from combustion of 12.0 moles of Benzene (C6H6)? Assume density of water 1.0 g/mol.
What is the specific heat constant if 621 g of Metal A raises the temperature of water by 3.20°C and releases 1.20 kJ of heat
An eagle is flying horizontally at 5.7 m/s with a fish in its claws. How much time passes before the fish's speed doubles
if a 5.0ml aliquot (portion) of the above solution was taken and diluted to 500.0mL. What is the concentration of this new solution
A golfer hits a shot to a green that is elevated 2.60 m above the point where the ball is struck. find the speed of the ball just before it lands
During an earthquake, the floor of an apartment building is measured to oscillate in approximately simple harmonic motion with a period of 1.60 seconds and an amplitude of 9.00cm, Determine the maxi
how would you prepare 2.500 liters of 1.500 M nitric acid from a stock solution of concentrated (16.05 M)
a standing wave oscillating on a string at frequency f_0. How many antinodes will there be if the frequency is increased to 3f_0