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For the reaction A + B C, the rate constant at 215 degrees C is 5.0 X 10^-3 and the rate constant at 452 degrees C is 1.2 X 10^-1
a) What is the activation energy in kJ/mol?
b)What is the rate constant at 100 degrees C?
Diet coke Chemistry, You drink a 500 ml bottle of Diet Coke, which has 0 calories. The Diet Coke was chilled to 7 degrees C before you drank it. Approximately how much heat energy is drawn from your body to warm this 500 ml of Diet Coke up to your..
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A gas held at 798 mmHg in a 400 mL flask is released into a 3 L flask.Whats the new gas pressure?
how many moles of CO2 are produced when 5.40 mol of ethane are burned in an excess of oxygen
When 24 mL of a 190 mL stock solution containing 1.8 M BaF2 is diluted to 78 mL, what is the concentration of Ba2+ in the new solution?
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
Calculate the wavelengths of the following objects: a) a muon(a subatomic particle with a mass of 1.884x10^-25 g) traveling at 3.00x10^2 m/s
How do you calculate solubility percentage? For example if a out 5 grams of sugar in 50 ml of water, with the temperature of water being 20 degrees.
A piece of galena has a volume of 5.4 cm3. If the density of galena is 7.5 g/cm3, what is the mass (in kg) of that piece of galena?
How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100 worth of gold.
Calculate the de Broglie wavelength of a neutron moving at 1.17% of the speed of light. _____m
What is the area of the circuit element in cm^2? Write your answer in scientific notation. Round your answer to 3significant digits.
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