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A gas expands in volume from 27.4 mL at constant temperature Calculate the work done (in joules) if thae gas expands against a constant pressure of 4.1 atm . Enter your answer in scientific notation
An unknown amount of water is mixed with 300 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 51.7 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in uni..
To qualify to run in the 2005 boston marathon, a distance of 26.2 mile, an 18 years old women had to have completed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
predict a shape of small organic molecules that could bind tightly with G4. Be sure to explain your reasoning in terms of the measured distances and discuss the likely intermolecular forces involved in the interaction.
A solution is made by mixing 4.6 mL of 0.274 M Fe(NO3)3 and 656.0 mL of water. What is the concentration of Fe3+ in the resulting solution?
Determine the entropy change when 5.60 mol of HCl(l) boils at atmospheric pressure with the following information
Using curved arrows to symbolize electrons, write a complete reaction mechanism for the bromination of acetanilide to create p-bromoacetanilide.
If 40.0 g acetylene is allowed to react with 40.0 g oxygen, how many grams CO2 are formed.
The base solution was added to the acid solution but was not stirred while temperature measurement were not made: c.) Some of the base splashed out of the calorimeter while pouring:
What is the value of the equilibrium constant at 500 K for a chemical equilibrium that as a delta H value of 250 kj/mol and a delts S value of 48 J/mol K?
From the plots of the boiling point versus the volume of distillate in the simple distillation experiments, what can you conclude
How many grams of Na2CO3 are present in 29.7 mL of a 31.0% Na2CO3 solution. The density of the solution is 1.09 g/mL.
If 1.26 L of H2 gas are formed at STP, how many gram of HCl reacted? The reaction is Zn(s) + 2HCl(aq) ( H2(g) + ZnCl2 (aq)
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