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One diver runs off the edge of the cliff, tucks to a "ball", and rotates on the way down with the average angular speed of 1.0 rev/s. Avoid air resistance and find out the number of revolutions she
The person walks part of way at 5 miles per hour, then jogs rest of way at 9 mph. Determine the formula which expresses total amount of time for trip, T, as the function of d, distance walked.
Explain what two side reactions are possible in addition to the major product of cis-norbornen-5,6-endo-dicarboxylic anhydride, in the Diels-alder reaction of cyclopentadiene and maleicanhydride.
Hearing the siren of the approaching truck, you pull over to the side of the road and stop. As the truck approaches you hear a tone of 460 Hz; as the truck moves away, you hear a tone of 410 Hz. Det
Explain why do carboxylic acids generally have higher boiling and melting points than alcohols, ketones, and aldehydes of comparable mass?
Calculate the theoretical yield of 2-chloro2-methylbutane from reacting 10.0 mL of 2-methyl-2-butanol and 25 mL of 12 M HCl.
A bridge is around 3910m long and is constructed of steel. Determine how much longer is the bridge on a warm summer day (30.0 degrees C) than on the cold winter day (-5.0 degrees C)?
An acetic acid buffer which is having .50 M CH3COOH and .50M CH3COONa has a pH of 4.74. Discuss what will the pH be after 0.0020 mol of HCl has been added to 100.0 mL of the buffer?
A spring is suspend from the ceiling. A 0.461 kg block is then joined to the free end of the spring. If free from rest, the block falls 0.153 m before momentarily coming to rest. (i) Determine the s
Decay of Iodine, How long will it take quantity of iodine 131 to decay to 25% of initial amount, suppose that it decays according to function stated by A(t)=A0e-.087t , where t is time in days?
At 34 degrees Celsius exactly 18.4 mL of water are added to a hot iron skillet. All of the water is converted into the steam at 100 degrees Celsius.
150.0 grams of AsF3 was reacted with the 180.0g of CCl4 to form AsCl3 and CCl2F2. The theoretical yield of CCl2F2 formed, in moles should be what?
Approximating the man through a vertical cylinder of radius Rm = 0.205 m, find out an equation (specific expression) for the angular velocity of the platform as a function of time. Determine the ang
The ball is thrown horizontally at a speed of 24 meters per second from the top of a cliff. When the ball strikes the ground 4.0 seconds later, around how high is the cliff?
In one experiment, 25.0 mL of the unknown KOH solution is placed in a beaker. Added to the KOH solution in the beakder is 25.0 mL of water and a few drops of phenolphthalein. The KHC2O4 solutio
To create the open rectangular box from the 38x44 piece of cardboard by cutting congruent squares from corners and folding up sides.
The image formed by a convex mirror (f = 24.0 cm) consists of a magnification of 0.150. Determine how much (comprising direction) must the object be moved so as to double the image size 1 cm?
The pH of an unknown chloride salt with the generic form (metalion)Cl is measured to be 4.62. Calculate the cation's Ka value.
When you weigh 680 N on the earth, what would be your weight on the surface of the neutron star that consists of the similar mass as our sun and a diameter of 18.0 km?
An aqueous solution contains 285 mg of trichloroacetic acid (Cl3CCOOH) in 10.0 mL. Determine the analytical concentration of the acid.
i) Determine the number of molecules of water which are there in the more massive person? ii) Determine the magnitude of the gravitational force of attraction among the two people?
The o'keefe's have 50 gallons of cucumbers for pickling. The1.5 M KOH solution costs 5$ per liter, ethanol costs 25$ per liter and 9 MH2SO4 solution costs 7.50$ per liter.
The steady horizontal force lasting for 2.10 s provides a 1.25 kg object an acceleration of 3.20 m/s^2 on a frictionless table. Determine what impulse does the force provide to the object?
Protonation of the cyanate anion [NCO]- occurs at the N atom and gives a HNC angle of 128 degrees. Protonation of the isomeric fuolminate anion [CNO]- occurs at the C atom and gives an HCN ang
Demonstrate that maximum possible area for the rectangle inscribed in the circle of radius R is 2R2. Maximize a square of area.