women it is more about desire and the pill doesnt fix that. It is rather strange that at the moment we have pharmaceutical companies spending absolutely millions of dollars to try to develop a pill that improves women’s sexual interest or arousal. At the same time we have freely available the oral contraceptive pill and [...]
Enzymes function as catalysts by:
A. Changing the value of free energy change to a more favorable value
B. Changing the value of the equilibrium constant to a more favorable value
C. Lowering the value of the activation energy
D. Increasing the amount of time needed to reach equilibrium
E. Becoming one of the reactants
Tags:
1.) Which of the following have the same number of atoms?
A) 2 grams of lead and 2 grams of carbon
B) 2 moles of lead and 2 moles of carbon
C) 2 moles of lead and 2 grams of [...]
a) Catalyst
b)Electrophile
c)Nucleophile
d)Acid
I got this wrong on a test and I’m trying to understand why d) Acid is the WRONG answer, what the right answer is, and why.
Thanks!
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1) Ammonia will burn in the presence of a platinum catalyst to produce nitric oxide, NO.
4NH3(g) +5O2(g) —-> 4NO(g) + 6H2O(g)
What is the heat of reaction at constant pressure? Use the following thermochemical equations:
N2(g) + O2(g) —-> 2NO(g); Change in H = 180.6 kJ
N2(g) + 3H2(g) —-> 2NH3(g); change in H = -91.8 kJ
2H2(g) + [...]
