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A temperature of a specific amount of gas in a sealed container changes from 20degC to 40degC. If the volume remains constant, the pressure will change from 720 mmHg to
a. 720 mmHgb. 1440 mmHg
c. 674 mmHg
d.769 mmHg
e. 360 mmHg
the equivalence point i know you need to use [A-]= moles of HA/(vol water added+vol NaOH added) and believe moles of HA=5.39x10^-3
The volume of blood in a typical adult is about 4.7 L. How many red blood cells are there in an average adult?
These two solutions will be added together into a beaker to create one solution. Adding them together cause them to dilute each other. Calculated the new molarity of HX. Give your answer to four decimal places.
A chemist decided to analyze the mixture by dehydrating it by heating it to 120 degrees Celsius for 12 hours. If a 5.327 g sample weighed 4.281 g after dehydration, what is the percentage of CaCO3 in the original hydrated sample
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Calculate concentrations of OH- and the pH of each basic solution. Since NaOH donates on OH- ion for each NaOH molecule, the OH- concentration is equivalent to the NaOH molarity. The pOH is calculated as -log[OH-] and the pH is calculated as 14-pO..
describe the mechanism for the reaction of bromine to Ethene and state the type
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