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At the bottom of ramp, Jim is moving at 9.00 m/s. Jim and his skate-board encompass a mass of 65.0 kg. Determine how much work is done by the friction as the skate-board goes down the ramp?
Ten grams (10.000g) of oxalic acid, MW=90.04, is added to one liter of water. The acid dissociation constants for oxalic acid are: Ka1 = 5 x10-2
Determine the reaction rate at 1000K when the concentration of NO is increased to 0.10 M, while the concentration of H2 is 0.010
A 33 L cylinder which is having the helium gas at a pressure of 21.2 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure could a
Estimate the molarity of the sodium hydroxide solution. Calculate the heat (calories) produced by the solution of 4.5 g of NaOH. When 4.5g of sodium hydroxide (NaOH) was dissolved in the 150g of wat
A parallel-plate capacitor of 2.00-nF is charged to an initial potential difference delta V=100 V and is then isolated. The dielectric material among the plates is mica, having a dielectric constant
The particular kind of bacteria grows at the rate of 32 % per day. If dog got infected with 3000 bacterium when leg was cut by barbed wire, find how many bacterium will be present in eighteen days.
When 0.5F ofN2CO3 is added to a clear saturated solution of BaSO4 a precipitate of BaCO3 is observed to produce. A handbook lists the molar solubility of BaCO3 as 7.1x10^-5 and the molar solubility
A hanging weight of 50 lb is joined to a cord which wraps around a cylinder of 40 lb. The cylinder rolls devoid of slipping UP the 30 degree inclined plane. The radius of the cylinder is around 2 ft
A charge of -2.15 nC and a charge of -6.30 nC are apart through a distance of 80.0 cm. Find the position at which a third charge of +7.60 nC can be placed so that the total electrostatic force on it
Determine the heat formed by the solution of 4.75g of NaOH. Determine the number of calories that would be produced if one mole of sodium hydroxide was dissolved.
A car of 1200 kg is moving at 5.0 m/s East. It hits a car of 1800 kg at rest. The cars encompass an elastic collision and move in the East or West direction. The velocity of the car of 1800 kg after
Discuss how much energy is needed to warm the15.0g of ethyl alcohol from 4C to 25C? (Sp heat ethyl alcohol is 0.590 cal/g-C)
Determine how long does it take the wave to travel a distance of 8.10 m all along the length of the string?
Write down the balanced net ionic equation for the reaction that occurs when the solid potassium hydrogen carbonate reacts with the hydrochloric acid.
Population of world in 1987 was 5 billion and relative growth rate was evaluated at 2% per year. Suppose that world population follows the exponential growth model, determine projected world populat
A student is required to generate 90.0 mL of carbon dioxide at the 750mm Hg and 21*C using the potassium hydrogen carbonate and HCl.
A wire carries a current of 10 A in a direction which makes an angle of 30 deg. With the direction of a magnetic field of strength 0.3 T. Determine the magnetic force on a 5m length of wire.
The mixture was stirred until all of theNaHCO3 dissolved. 3.5 g of solid NaHCO3 was added to 50.0 g of water in a calorimeter. The temperature of the water changed from 20.1*C to 16.7*
A mass of 3.00 kg is positioned at x = 2.0 cm and y = -4.0 cm. A mass of 3.00 kg is positioned at x = -5.0 cm and y = 2.0 cm. A mass of 4.00 kg is positioned at x = -3.0 cm and y = -3.0 cm. Where is
How can compute the three 1L flasks, all at standard pressure and temperature? If flask A contains NH3 gas, flask B is having NO2 gas, and flask C which is having N2 gas.
There are two wires with equivalent however opposing currents. The bottom wire is fixed. The top wire is parallel to the bottom one and consists of a mass density of around 1.5 x 10^-3 kg/m. What sh
Website costs $ 160 a month to maintain. Every katana costs $ 290 to make, and they sell every katana for $ 680. Create the linear model in form y = m x + b where x is number of swords sold per month