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A student performs a series of calorimetry experiments. She determines the calorimeter constant (Ccal) for her coffee cup calorimeter. She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of Ccal for the calorimeter?
Determine the empirical formula for a substance with the following composition
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The two products formed are 2-methyl-1-hexene (19%) and 2-methyl-2-hexene (81%). Show the chemical equation for this reaction. Explain fully why 2-methyl-2-hexene is the major product.
Phosphorus-32. is a radioactive isotope with a first order constant of 0.0485 days-1.if a sample has an initial mass of 0.48g of phosphorous-32,how much of the isotope remains after 15.5 days
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a 50.00-ml sample of 0.100 m koh is titrated with 0.152 m hno3. calculate the ph of the solution after 52.00 ml of hno3
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
The intial temp of the water is 19.0C and the final temp of the system is 25.1C. The heat loss to calorimeter is negligible. What is the mass of the water?
Acid rain over the Great Lakes has a pH of about 4.5. Calculate the [H_3O^+] of this rain.
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