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(a) What are the units usually used to express the rates of reactions occurring in solution?
(b) From your everyday experience, give two examples of the effects of temperature on the rates of reactions.
(c) What is the difference between average rate and instantaneous rate?
During World War II, tritium (3H) was a component of fluorescent watch dials and hands. Assume you have such a watch that was made in January 1944. If 16% or more of the original tritium was needed to read the dial in dark places,
Compute the percent KHP (204.23 g/mol) in an unknown sample if 27.93mL of 0.1510 M NaOH were necessary to reach a phenolphthalein endpoint using a 2.3423 gram sample of unknown
The density of a gaseous compound was found to be 1.23 g L-1 at 330 K and 25.5 kPa. What is the molar mass of the compound?
Weight and volume measurements on a sample of pure cadmium showed its density to be 521 lb/ft3 is this a 3.5% error?
Given a gas mixture consisting of 5lbm of methane, 10 lbm of ethane, 5 lbm of propane, and 3 lbm of butane, determine the number of moles of each component in the mixture
Determine the Volume of air and partial pressure of nitrogen, oxygen, water vapor and air
draw Lewis Structures for the following FIVE elements.
(a) Explain How many grams of N2(g) will be formed from 5.19 x 1022 molecules of CO(g) at STP. (b) Name each chemical.
CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 °C. Calculate the total pressure in the container.
When this sample was reacted with excess hydrochloric acid, 315.23 mL of hydrogen gas, collected over water at a barometric pressure of 757.1 torr and a temperature of 21.3 C was generated. A) Determine the number of moles of hydrogen gas generate..
consider this equation 2al 3br2 --gt 2albr3 react according to this equation19.00 g of al and 14.6 g of br2nbsp used
If molar magnetic susceptibility (Xm) is measured in m^3/mol, what must be the units on B(calibration constant)? what are the units on the 3.7278 in the formula for the magnetic susceptibility of Mohr's salt? what are the units on the 8.07 in the ..
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