Determine how many mole of naoh are needed
Potassium hydrogen phthalate (KHP) is a weak monoprotic acid. Determine how many mole of NaOH are needed to neutralize the .616g of KHP?
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A rock having mass m is dropped from a height h above the ground. Employ the conservation of energy to determine (in terms of m and h) the given. i) Determine the kinetic energy of the rock merely before it strikes the ground.
A rapid test for the presence in the blood of antibodies to HIV, the virus that causes AIDS, gives a positive result with probability about 0.004 when a person who is free of HIV antibodies is tested. A clinic tests 1000 people who are all free of
A source emits sound equally in all directions. There are no reflections of the sound. At a distance r1 from the source the sound is around 3.9 dB louder than it is at a distance r2 from the source. Find out the ratio r1/r2?
If the acetic acid content of vinegar is determined as1.00mol/L, what weight of acetic acid would there be in 1.00 liter of vinegar solution?
An electron having kinetic energy 5.5 keV moves in the circular orbit perpendicular to a magnetic field of around 0.390 T. (i) Determine the radius of the orbit.
Discuss how long will it take hydrogen chloride to effuse down an identical capillary tube at the same conditions of pressure and temperature? It takes 32.0 seconds for ammonia to effuse down a capillary tube.
The two 10 cm diameter charged disks face one other, 23 cm apart. Both disks are charged to - 80 nC. Determine the electric field strength at the mid-point among the two disks? Find out the electric field strength a point on the axis 5.0 cm from o
Write down the correct structure for the product and outline a stepwise mechanism leading to its formation. (R)-2-Iodohexane undergoes reaction with potassium cyanide to produce a single enantiomerically pure product.
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