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When 25.9g of Nickel II Chloride and 10g of sodium hydroxide react according to the equation below, 10.9g of Ni (OH)2 was formed.
The two positive point charges, each of which consists of a charge of 2.5 x 10^-9C, are positioned at y = 0.50 m and y = -0.50m. Determine the magnitude and direction of the resulting electric force
Name the product and explain briefly why this type of reaction is very useful in organic chemistry. Write and equation for the reaction of 1-bromopropane with a solution of potassium cyanide i
The Lyman series of hydrogen is made up of such transitions made from the higher levels to n=1. When the first line in this series consists of a wavelength of 122 nm, determine the wavelength of the
Sketch the graph to represent connections within the company, based on email data, where every vertex represents the person and the edge joining 2 vertices.
Four long, straight parallel wires each and every carry current I. In a plane perpendicular to the wires, the wires are at the corners of square of side length a. Determine the magnitude of the forc
A high molecular weight aliphatic hydrocarbon showed only the (M+2)+ and (M+3)+ peaks. Indicate only from the above given information the range of carbon atoms in the compound.
When alkenes are reacted with ozone and the product hydrolyzed with dilute acid and zinc, the organic products are butanone and propanone. Determine the name and formula of the alkenes?
What observation would indicate that H2 is being generated either during your reaction or when you pour the reaction mixture into water? Sodium borohydride reacts slowly with water to generate the
Evaluate the magnetic field (comprising direction - as seen from the negative x-axis) within the shell. (Use the given as required: µ0, I, p and r.)
Determine the concentration of fluoride anion in the saturated solution if the concentration of the calcium ion in a saturated solution of calcium fluoride is 3.335*10 to the negative4th M.
Explain how much heat is released in the conversion of 1.00 L of steam at the 21.9atm and 200 degrees Celsius to ice at -6.00 degrees Celsius and1 atm.
Explain what volume of H2S was collected at 32 degrees C when the atmospheric pressure was 749 torr? CuS (4.22 g) was mixed with excess HCl and the resulting H2Swas collected over water. The vapor
The drawing exhibits a laser beam shining on the plane mirror which is perpendicular to the floor. The angle of incident of the beam is 30.0°.
Calculate how many moles of HCl can be produced if 2.5 moles of hydrogen react with chlorine by the following reaction: H2 + Cl2---> 2HCl
Determine the freezing point for a 3.13 m aqueous solution of NaCl. Determine the increase in the boiling point, ΔT, for a1.39 m solution of sucrose (dissolves as a molecule) in the water.
Determine the least magnitude of the force which will succeed in lifting the wheel onto the curb if the force is exerted at the center of the wheel?
Determine the vapor pressure of water for this solution? Sugar is dissolved in the hot water at 45oC until the mole fraction of water decreases to 0.862.
Determine position of mass at any time t if there is no external force and no air resistance. Find circular frequency, natural frequency and period for vibrations.
A tall tree is mounting across a river from you. You would like to recognize the distance among yourself and the tree, and also its height, however is not capable to make the measurements directly.
If the absorbance of this compound were measured over a wide range of wavelengths of light, it would absorb not a single wavelength, but colors of varying energies centering on the wavelength of ma
The floor of a rail-road flatcar is loaded with loose crates encompassing a coefficient of static friction of 0.25 with the floor. When the train is originally moving at a speed of 50 km/h, in how s
What force is applied to the trash when the input force is 330 N? In the hydraulic press used in a trash compactor, the radii of the input piston and the output plunger are 6.4x10-3m and5.1x10-2m,
By using a ray diagram drawn to scale, determine the location of the image that this light generates in the concave mirror.
Determine the potential of a platinum electrode immersed in a solution that is prepared by mixing the 25.00ml of 0.0918M SnCl2 with an equal volume of 0.1568M FeCl3.