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The isomerization of cyclopropane, C3H6to propylene, CH2= CHCH3 is first order in cyclopropane and first order overall. At 1000 degree celcius, therate constant is 9.2/s.
If the initial concentration is 1.65 x 10-2 mol/ L, what is the concentration after 825 s? How long would it take for the concentration of N2O5 to decrease to 1.00 x 10-2mol / L from its ini
If the vessel has a pinhole-sized leak, which of the following will be true regarding he relative values of the partial pressure of the gases remaining in the vessel after some of the mixture has ef
A chemist combines 12 grams of hydrogen with 104 grams of oxygen in an explosive reaction that forms water as its sole product. all of the hydrogen reacts but 8 grams of oxygen remain. how many gram
Describe the difference betwwn polar andnon-polar molecules. can you provide examples? Can you describe each of three IMF(intermolecular force) of attractions?
Assuming the volume of the stomach to be 1 L, what will bethe pH change of stomach acid resulting from the ingestion of one Regular Strength Maalox?
Hydrogen gas can be produced in the laboratory by the reaction of magnesium metal with hydrochloric acid. Identify the limiting reactant when 6.00 g HCI reacts with5.00 g Mg.
One tablet of Maalox clams to contain 600 mg CaCO3. If 10 mLof 0.100 M NaOH titrant is to be used to back titrate the excess0.100 M HCl from the analysis of one-third of a Maalox tablet.
The half - life of iridium- 131 eight days. atom by atom, itdecays into an isotope of iodine. How much of 24 grams of iridium will be left after 24 days?
What is a stronger acid, phenol or 4 nitrophenol? Briefly explain. If possible please explain what and waht does not make substituted benzene acidic.
A sample of nitrogen has a volume of 4.22 L at 1,941 mmHg and170 °C. What volume will it occupy at standard temperature and pressure?
Table sugar (sucrose, C12H22O11) and table salt (NaCl) are both crystalline, colorless solids which are similar in outward appearance. You are given 100 grams of a mixture of these two solids. You d
Describe the changes (if any) in potential energy and in kinetic energy among the molecules when gaseous PCl3 condenses to a liquid at a fixed temperature.
In the study of a second-order gas-phase reaction, it was found that the concentration of a reactant fell from .220molL-1 to .056mol L-1 in 1.22x104s.What is the rate constant of this reacti
Explain the situation where the Jones Reagent (CrO3& H2SO4) test might give a false negative for some alcohols. Use mechanisms if needed.
What is the total pressure in mm Hg of a sample of gas that contains the following gases: O2(45 mmHg), N2 (1.20atm), and He (825mm Hg)?
A student is interested in the half-life of enzyme X. She injectsrats with a particular 14C-labeled amino acid and later isolatesher enzyme of interest. When she first isolates enzyme X she findsit
Calculate the probability of finding an electron in a 1s H-atom orbital inside the nucleus. Show your work and state your assumptions.
What is the limiting reactant when 80.0 g Cu reacts with25.0 g S? What is the maximum number of grams of Cu2S that can be formed?
If you a litre (1000mL) bottle of oil in your engine, how much heat is produced in kcal?In BTU To solve this problem you must know the density of motor oil is .82 g/mL.
If we start with 0.500 mol H2 and 0.500 mol I2 in a 5.00 L vesselat 698 K, what will be the concentrations of each gas at equilibrium?
How many grams of ammonium nitrite must have decomposed at 200.0 degrees C in a 2.00-L container if the pressure rose from 0 to 625torr?
We did a simulation in class for equilibrium. There were two sides, A and B and the teacher gave side A tons of little pom poms. Side A started throwing them at side B and side B was trying to throw
Compare the thermal conductivity of single crystal materials with that of polycrystalline materials and justify your comparison.