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Aqueous silver ions react with the bromide or iodide ions and aqueous chloride, to give solid silver halide. For example, mixing solutions of calcium chloride and silver nitrate causes the precipita
Car A strikes car B (primarily at rest and of equivalent mass) from behind while going 40 m/s. Instantly after the collision, car B moves forward at 25 m/s and car A is at rest. Determine what fract
When the collision is elastic, and friction can be ignored, find out the speed of the block having mass 7.65 kg after the collision.
The football is kicked vertically. Approximate height of football, h (meters), after t (seconds) is modelled by formula. Compute height of the football after 2s.
A crate of 20.0 kg slid down a 3.00 m long ramp inclined at 30.0° to the horizontal. i) Compute the speed of crate at the bottom of the ramp when the ramp is frictionless.
Determine the percentage volume change when the FCC γ iron(a=0.365 nm) undergoes its polymorphic transformation to BCC δ iron (a =0.293 nm) at the 1394oC.
The spring’s spring constant is 26.1 N/m. A student added a mass of 1.50 kg to the end of the spring. He pulled the mass down and frees it when the end of the spring was 0.950 m beneath its r
The child in a boat throws a 4.50 kg package out horizontally having a speed of 10.0 m/s. Compute the velocity of the boat instantly after, supposing it was initially at rest. The mass of the child
Determine the concentration of a NaOH solution if 15.0 mL of the solution are required to neutralize 18.0 mL of a 0.312MHCl solution.
The electric field in a given area of space is given by E=2.5x2i (in N/C). Determine the magnitude of the potential difference among two points x = 0 m and x = 5.2 m, that is, |V (x = 5.2 m) - V(x =
Find out the liquid if a liquid that has a density of 0.80+ 0.01g/ml and 0.80-0.01 g/ml is insoluble in cyclohexane. Determine the colors of CoCL2, and CoCL2.6H2O? Find out their solubility in cold wa
The catapult launches a rock at 30degrees with respect to the horizon. Determine max height when speed of rock at utmost point is 30m/s?
Determine the equation using cosine function which models distance of satellite from equator. How far away from equator is satellite one hour after launch?
Determine the magnetic flux for the coil in the above question, when the normal was oriented at a 44.9 degree angle to the field?
The object of height 2.84 cm is positioned 12.6 cm from the diverging lens of focal length12.6 cm. Sketch a ray diagram to determine the height and position of the image.
A proton high over the equator approaches the earth moving straight downward having a speed of 355 m/s. Determine the acceleration of the proton, given that the magnetic field is at altitude of 4.05
Manganese is a key component of enormously hard steel and its element occurs naturally in various oxides. A 542.3 g sample of manganese oxide has an Mn/O ratio of 1.00/1.42 and consists of manganois
A resistor of 4.0 ohm consists of a current of 3.0 A in it for 5.0 min. Determine how many electrons leave the resistor throughout this time interval?
Assume 10 gallons of corn syrup is added to mixture as the sweetener. Determine ratio of tea to corn syrup in mixture? what if 50 gallons of corn is added instead 200?
A wire of 2.0 m carries a current of 15 A directed all along the positive x-axis in a region where the magnetic field is uniform and given by B = (30i - 40j)mT. Determine the angle between the curre
Find out the dimension (in cm) of a rectangular aluminum block (40cm long as well), that would encompass the similar resistance between the farthest opposing sides as the silver block (in part i)
A wire of length = 2.0 m and diameter = 1.0 mm consist of a resistance of 0.45 OHMS. Determine the resistivity in OHMS m of the material employed to make the wire?
A block with mass m = 10 kg rests on a horizontal surface. Us = .45 and uk = .25. Determine the friction force when an external horizontal force of 15n is applied on the block? Explain why is the fr
Plan A the salary of $100 per week plus the commission of 3% of gross sales. Plan B the salary of $75 per week plus sales. For what gross sales is plan B good?
At 25C the volume of a sample of pure HCl gas was 189mL and108mm Hg. It was wholly dissolved in about 60mL of water and titrated with an NaOh soution; 15.7mL of the NaOH solution were needed to neut