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A baseball pitcher throws a 159 g baseball at a velocity of 31 m/s towards home plate. The batter hits the ball, and the velocity of the ball coming off the bat is 54 m/s in the opposite direction of the velocity of the pitch. The bat is in contact with the ball for 0.003 seconds. What is the magnitude in Newtons of the average force applied to the ball?
Set up the full multiplication table for the group operations for the ammonia molecule. Explain what is its point group? Illustrate the derivation of the symmetry classes for this point group.
The flow through the low velocity inlet is at 0.015kg/s. At the discharge, the ammonia exits at 280kPa with a velocity of 400m/s. Determine the exit area of the nozzle and the thermodynamic state of the ammonia.
Problem- The flask shown here contains 0.761 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.160 M NaOH. 1) What volume of base is needed to reach the end point of the titration
Using molecular orbital analysis, predict which species of the following pairs would have the stronger bonding between the two atoms
Problem- If the atomic radius of a metal that has the body-centered cubic crystal structure is 0.142 nm, calculate the volume of its unit cell in nm^3 units.
There is an integral membrane protein that symports an alanine and 2 Na+ ions from the plasma into the cytosol of the liver cell. What is the free energy of symporting alanine and 2 Na+ from the plasma into the cytosol of the liver cell?
A mixture at equilibrium at 827 C contains .552 mol CO2, .552 mol H2, .448 mol CO, and .448 mol H20. The balanced equation is shown below: CO2(g) + H2(g) CO(g) + H2O(g) What is the value of Keq?
llustrate on example between an ionic amino acid side group and the organic portion of your drug that has an ionic charge.
How many possible resonance structures can you draw for SO3 without violating the octet rule for S
Acrylonitrile, C3H3N (53.07 g/mol), is used in the synthesis of a variety of plastics. What mass of acrylonitrile can be produced from a mixtur.
Which one of these samples contains the smallest number of molecule A) 1.0L of H2 at STP(0c and 1atm) B) 1.0L of N2 at STP. C) 1.0 L of H2at 20 c and 760 torr. D) 1.0L of N2 at 0c and 800torr. E) 1.0 L of He at STP
The alcohol content of hard liquor is normally given in terms of the "proof," which is defined as twice the percentage by volume of ethanol (C2H5OH) present. Calculate the number of grams of alcohol present in 1.00 L of 57 proof gin.
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