What is the enthalpy change per mole of base
In an acid-base neutralization reaction between 100.0 mL of 0.5 M nitric acid (HNO3) and 100.0 mL of 0.5 M potassium hydroxide (KOH), qrxn was found to be -5000 J. what is the enthalpy change per mole of base ?
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A 1900 kg car traveling to the right at 22 m/s is chasing a second car of the same mass that is traveling to the right at 10 m/s. What fraction of the initial kinetic energy of the cars is lost during this collision?
What are the ethical challenges presented by pre-implantation genetic screening (PGS) and Savior Siblings? How would PGS be interpreted under the various philosophical theories we've discussed?
It has been suggested that rotating cylinders about 8 mi long and 6.1 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acc
A 230 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. The total energy of the system is 1.00 J. Find the force constant of the spring.
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Do you agree or disagree that a sovereign state should be accountable to a world body that is not elected but appointed? At the same time, do you agree or disagree that international institutions do require some authority to be effective espe
Select a change that you have witnessed in an organization with which you are affiliated. (If necessary, choose a change that you heard about even if you didn't experience it personally.), describe the change.
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