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The two vehicles are approaching an intersection. One is a 2500 pickup traveling at 13.0 from east to west (the -x direction), and another is a 1600 sedan going from south to north (the +y directio
Determine the numbers of moles of H+ are present in 140 ml of HCL solution with PH of 3.10? Determine the PH of 350.0 of an aqueous solution containing .713 g of HCL?
A -6.2 C charge enters a magnetic field which points to the north having a magnitude of 0.003 T and experiences a force of 3.2N to the east. The charge was moving perpendicular to the magnetic field
If a weak acid like HA added to water, which statement is true? Determine the concentration of OH Ion in a 8.8 x10^-3 M HCL solution.
Kathryn can paint the room in 10 hours. Zoe can paint same room in six hours. How long does it take for both Kathryn and Zoe to paint room it they are working together.
carrying a current of 10A to the east. The force acting on the wire is 0.6N to the screen. Determine the direction of the magnetic field supposing it is perpendicular to the wire?
A bullet of mass 41.0 g is shot horizontally to the stationary block of kauri of mass 2.30 kg that lies on a horizontal table with µk = 0.413. The bullet is then embedded a distance d = 6.50 c
Discuss the composition of a brass alloy if 12.15g of the alloy reacts with HCl(aq) to yield 2.305 g ofZnCl2?
The plane can fly 800 miles in same time as it takes the car to go 250 miles. If car travels 110 mph slower than the plane, determine speed of plane.
Calculate the pH of the solution at the equivalence point when a 20.00-mL sample of 0.220 M triethylamine,(CH3CH2)3N is titrated with 0.544MHCl(Kb(CH3CH2)3N= 5.2 × 10-4).
A charge of 5.3 is moving to the west having a velocity of 3 m/s. It enters a uniform magnetic field of 0.3T out of the screen. Determine the direction of the force which acts on the charge once it
Determine the numbers of moles of NaOH must be added to the buffer to increase its pH to 5.74 when a buffer composed of 0.50 mol acetic acid and 0.50 mol sodium acetate is diluted to a volume of 1.
A converging lens having f = 11.9 cm is situated 30.6 cm to the left of a diverging lens of f = -5.94 cm. A postage stamp is positioned 32.4 cm to the left of the converging lens. Determine the on t
Calculate the volume of 1.222M sodium hydroxide needed to react with 32.5ml of 0.569M sulfurous acid? Where one mole of sulfurous acid reacts with two moles of the hydroxide ion)
If this were to cause the buckling of 1 mile of straight track into the isosceles triangle (with track raised up into air at half-mile mark) then how high off ground would track be lifted at midpoin
After skidding down a snow-covered hill on the inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.5 m/s.
Calculate the molarity of a solution of nitric acid if 0.216g of barium hydroxide is needed to neutralize 20.00 ml of nitric acid?
A railroad car having mass M moving at a speed v1 collides and couples with two coupled railroad cars, each of the similar mass M and moving in the similar direction at a speed v2. (i) Determine the
35.0 ml of a 1.75M solution of KNO3 is mixed with the 15.0ml of a 2.50M solution of KNO3. Calculate the molarity of the KNO3 after the solutions have been mixed?
The two disks are mounted (similar to a merry-go-round) on low-friction bearings on the same axle and can be brought altogether so that they couple and rotate as one unit.
Calculate the maximum amount of benzaldehyde impurity that could be in a sample of anisole (methoxybenzene) before it "failed" elemental analysis according to the JOC standards.
Determine the maximum amount of electrical work that may be generated by oxidizing 1 mole of hydrogen to water in a fuel cell. For combustion of hydrogen H2(g) + 1/2O2(g) -> H2O(l) the reaction e
The energy in an oscillating LC circuit having a 0.75 H inductor is 2.30 µJ. The maximum charge on the capacitor is around 75 µC. Determine the mass for a mechanical system having the sa
Compute the amount of heat that will be given off by burning 1mole of hydrogen gas. For combustion of hydrogen H2(g) + 1/2O2(g) -> H2O(l) the reaction enthalpy is-286 kJ/mol and the reaction Gibbs
A bar magnet is aligned East-West, pointing at the center of the compass. If the center of the magnet is 0.29 m from the center of the compass, the compass deflects 70 degrees. Determine the magneti