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Which of these is a coefficient in this chemical reaction? P4s(s)+5o2(G) p4o10(S)
To what general class of mechanisms does the attack of bromide ion, Br-, on the cyclic bromonium ion
calculate Kc for the reaction below: 2P(g)+ 5Cl2(g) 2PCl5(g) The answer provided is 240. Why is that?
For a dehydration reaction in metabolism, wherein water is removed from an alcohol to create an alkene: a. Requires NAD+ b. is an example of substrate oxidation c. Requires NADH d. is not a redox reaction and does not need an external e- acc..
A beaker contains 100 grams of 0.50 M NaCl. If you transfer 50 grams of the solution to anouther beaker, what is the molarity of the solution remaining in the first beaker?
What volume of solution should be dispensed from the buret to provide 5.633 mmol CO2-3 ? Answer in units of mL.
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
normal glucose levels in the blood are from 70 to 10 mg glucose per 100 mL of blood. If the level falls too low, there can be brain damage.
The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added
Calculate the final Celsius temperature of sulfur dioxide if 0.500 L of the gas at 35°C and 650 mmHg is heated until the pressure reaches
An element has three naturally occurring isotopes with the following masses and abundances (in parenthesis): 27.977 amu (0.9222); 28.974 amu (0.0469); 29.974 amu (0.0310). Calculate the atomic weight of the element.
Propose a neutral structure for each compound that is consistent with the data. Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily draw a configuration for an enantiomer (and b..
If the pressure exerted by ozone, {rm{O}}_3, in the stratosphere is 3.0 times 10^{ - 3} {rm{atm}} and the temperature is 251 K, how many ozone molecules are in a liter?
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