Calculate the mass of sodium acetate must be added
Calculate the mass of sodium acetate must be added to one liter of 0.125 M acetic acid to form a buffer with pH=4.75. Suppose the volume change due to the addition of solid sodium acetate is negligible.
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Suppose charge builds up on the cloud and on the ground till a uniform electric field of 2.0 x 106 N/C all through the space between them makes the air break down and conduct electricity as a lightning bolt. Determine the maximum charge the cloud c
A magazine claims that 25% of its readers are college students. Of random sample of 200 readers, 42 are college students. Employ a .10 level of significance to test Ho: p = .25 and Ha: p not equal to .25.
Determine the activation energy, Ea, from this data when heated, cyclopropane is converted to propane. Rate constants for this reaction at 470 degrees Celsius and 510 degrees Celsius are k1 = 1.10 10-4 s-1 andk2 = 1.02
Juggles increases to a height of 3.3 m above the ground, at which point he has the similar amount of gravitational potential energy as Bangles had before he jumped, supposing both potential energies are measured by using the ground as the referenc
She utilize the protractor to measure the angle of 38 degrees from level ground to kite string. If she utilized the full 100 yard spool of string, how high, in feet, was kite?
Discuss how would you show presence of chloride and carbonate in this mixture, assume you had a mixture of solid Na2CO3 and NaCl. Assume you had a mixture of solid Na2CO3 and NaCl. Could you use only H2SO4 to determine whether to not N
i) Determine how much work is done on the ball by its weight? Determine the gravitational potential energy of the basket-ball, relative to the ground, if it is (ii) released and (iii) caught? (iv) Determine the change (PEfinal - PE initial) in the
At what pressure at 25 d C would these two forms of CaCO3 be in equilibrium? At 25 deg C the change in Gibbs energy for the conversion of aragonite to calcite is -1046J/mol. The density of aragonite is2.93g/cm^3 and that of calcite is 2.71g/cm^3.
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Following current events related to immigration reform, a group of students came to school wearing t-shirts representing national flags
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