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Question 1: The Arrhenius equation is k = Ae-Ea/RT. The slope of a plot of ln k vs. 1/T is equal to
a). A
b). Ea
c). -k
d). -Ea/R
e). k
Question 2: Describe a real world situation where the properties of a solution are different from those of its solvent and where this is beneficial. Give detail and explanations on how and why a solute changes the properties. What is being affected and why? What factor most affects the magnitude of the change?
If 45 mL of H2 (g) are collected over water at 27°C and 751 mmHg external pressure. How many grams of Al were reacted.
Calculate the annual production of carbon dioxide in kg if there are 40 million cars in the US and each car covers a diastase of 5000 miles at a consumption rate of 20 mpg.
The concentrated sulfuric acid is 98.0 percent h2so4 by mass. the density of the solution is 1.83 g/ml. the molar mass of h2so4 is 98.08 g/ml.What is the mass of h2so4 in 100.0g of concentrated sulfuric acid solution?
at a particular temperature and a0 2.57 10-3 m concentration versus time data were collected for this reaction and a
Write a rational arrow-pushing mechanism for the formation of this product (when alpha-pinene is reacted with aqueous sulfuric acid). And then write a rational arrow-pushing mechanism for the formation of the decomposition product.
What concentration of Ca2+ must be added to 0.010 M oxalate (C2O^-2 4) to precipitate 99.0% of the oxalate.
What mass of rm KCl is needed to precipitate the silver ions from 15.0 mL of 0.190 M rm AgNO_3 solution?
The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
What kind of hybrid orbitals are found on the central atom in ICl3. Answer a. dsp3 b. sp2 c. sp3 d. sp4 e. sp3d2
A gas-filled balloon having a volume of 4.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 multiplied by 10-3 atm, respectively. Calcula..
0.40 moles of an unknown acid (HA)is added to 600 ml of pure water. The pH of the resulting solution is 3.00. What is concentration of A- in the solution. What is the Pka of the acid
A steel cylinder of oxygen has a volume of 20.0 L at 22degrees C at 35 atm. What is the volume at STP? How many mol of oxygen
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