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if the O2 is reacting at the rate of 0.25 Ms-1,
calculate:
i. rate of NO2
Write the chemical reaction equation for Primary Aromatic Amine, Secondary Aromatic Amine and Tertiary Aromatic Amine.
P, Q and R is An intermediate in the production of commodities such as herbicides, dyestuffs and rubber(C7H7Cl)
a) what is molecular structure of C7H7Cl
b)Regardless of compound P, Q and R; which pair of the molecules are isomeric and give a reason.
c)Give the possibility of structure P, Q and R with a correct nomenclature.
Do teachers have knowledge of basic principles of using methods of teaching EMS?
The essence of many perfumes come from the oils in the petals of fresh flowers such as the rules carnation and orange blossom however fragrances are not limited to the petal but can come from leaves of lavender peppermint end and geranium also the oils of cinnamon and balsom are derived from back wow the oils of silicon from its food the fragrances of ginger and sir sir sassafras from roots whereas that of orange lemon and nutmeg come from fruits and seeds does there are many source from which to derive fragrance for perfume
What is the magnitude of an electric field that exerts a force of 5.0×10^-4N on a charge of 1.0 uC?
Suppose the time it takes a student to finish a quiz is uniformly distributed between six and 22 minutes, inclusive.
1) Find the value of a=
2) Find the value of b=
3) Find the value of h = 4 d.p.
4) Find the mean time to fix the furnance = up to 2 d.p.
5) Find the standard deviation time to fix the furnance = up to 2 d.p.
6) Find the probability P( x ≤ 19) = in %
If a 5-kg steel plate is attached to one end of a 0.1m x 0.3m x 1.2m wooden pole, what is the
length of the pole above the water? Use density of wood 0.50. Neglect buoyant force on steel.
A long jumper leaves the ground at an angle of 20.0° to the horizontal and at a speed of 11.0 m/s.
a. How long does it take for him to reach maximum height? b. What is the maximum height?
c. How far does he jump? (Assume his motion is equivalent to that of a particle, disregarding the motion of his arms and legs.)
A bartender slides a beer mug at 1.50 m/s toward a customer at the end of a frictionless bar that is 1.20 m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar.
a. How far away from the end of the bar does the mug hit the floor?
b. What are the speed and direction of the mug at impact?
A boy on top of a hill thrown a stone with an initial velocity of 100ft/sec at an inclination of 60° with the horizontal. If the stone has travelled a distance on 400ft from the base of the hill, how high is the hill?
A long jumper leaves the ground at an angle of 20.0° to the horizontal and at a speed of 11.0 m/s.
a. How long does it take for him to reach maximum height? b. What is the maximum height?
c. How far does he jump? (Assume his motion is equivalent to that of a particle, disregarding the motion of his arms and legs.)
A bartender slides a beer mug at 1.50 m/s toward a customer at the end of a frictionless bar that is 1.20 m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar.
a. How far away from the end of the bar does the mug hit the floor?
b. What are the speed and direction of the mug at impact?
A boy on top of a hill thrown a stone with an initial velocity of 100ft/sec at an inclination of 60° with the horizontal. If the stone has travelled a distance on 400ft from the base of the hill, how high is the hill?
