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Consider two samples, 5 g of water and 5 g of ethanol, both at a 25 degrees C. If 200 J of heat is added to each sample, which sample will be at a higher temperature?
The specific heat of an unknown metal is found to be 0.233 J/K g. The Law of Dulong and Petit predicts a molar heat capacity of 26 J/K mol. Use this law to estimate the molar mass of the metal.
If 230nm wavelength light were used instead still 75µm what changes would be there compared to part (a)? Looking at the number and the energy of the electron
A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0M Chromium(II) ion solution and another electrode composed of silver in a 1.0M silver ion solution, connected by a salt bridge.
Explain what happens when the following chemicals are mixed in water as well as how would you write a balanced chemical equation for it showing what state each substance is in
If 66.5 ml of base is required to reach the second equivalence point, what is the concentration of the acid?
Explain which of the following equations represents the rate law for the subsequent elementary process: A+B -> C+D
a cube of brass 2 cm on a side is heated until the temperature of the brass is 75oc. the cube is quickly added to 100
On-ground students: share your resume with another classmate to identify three strengths and three recommendations for improvement. Then, share what you each suggest.
their molecules or ions are in close contact and do not move. a change of state or phase transition is a change of a
Calculate the ionic strength of a solution containing 0.010 M calcium sulfate and 0.010 M sodium chloride. Show all work.
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
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