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A. Sources of atmospheric methane in Million Tonnes per year- Wet lands 160, Fossil fuel related sources 100 and other 275.The current atmospheric concentration is 1.774 ppmv. Calculate its residence time.
B. There may be 1014 of methane hydraate in the permafrost below the ocean floors. If 1% of this were to melt per year, explain what would be the increased concentration of methane (ppmv y-1) in the atmosphere. Explain what sinks for methane would play a role in reducing this concentration?
C2H4 Flows into a catalytic reactor at 25atm and 300 degrees C with a flow rate of 1010 L/min. Hydrogen at 25atm and 300 degrees C with a flow rate of 1050L/min. If 11.0kg of C2H6 are collected per minute, what's the percent yield of the reaction?
The O-H stretch of a concentrated solution of an alcohol occurs at a lower frequency than the O-H stretch of a dilute solution.
for the voltaic cells that you measured that used silver and copper provide the reaction that represents the voltage
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges (as in the following example), and that there are no other bonds between the two bonds drawn with the stereo wedges.
Think benzene (C6H6) in the gas phase. State the reaction for breaking all the bonds in C6H6 (g) and find out the enthalpychange for the reaction.
What is a specific example that exists foreach: biochemical, pharmaceutical and diagnostic chemical reactions in healthcare and why might it be of importance to healthcare professionals?
a metal weighing 50.0g absorbs 220.0 J of heat when its temperature increases by 120.0 degrees celsius. what is the specific heat of this metal?
The gold is alloyed with copper. Before buying the item you weigh it out to be 110 grams, you also measure its water displacement as 7.59ml. what is the percent composition of the gold bracelet. should you call the cops. Density of gold is 19.3 g/..
Give the complete, step-wise mechanism for the acid catalyzed dehydration of 2-methyl-1-butanol. Account for the formation of all products
A container of gas with an adjustable volume has an initial pressure of p. The container volume is tripled at constant temperature. What is the pressure inside the container after the volume is increased
What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
one of the precursors you need to verify a mechanism is benzaldehyde with the para-hydrogen isotopically labelled as
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