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A chemical reaction takes place inside of a simple constant pressure calorimeter that contains 100g of water. The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)a. -1700 Jb. 110 Jc. -110 Jd. 1.7 kj
calculate the standard reduction potential of Joaquium. Write reaction in cell notation form.
Calculate deltaH and deltaS for the transformation pb (s,25 degrees) (arrow) pb(l,400 degrees). What is the standard entropy of pb(l) at 400 degrees?
Calculate the expected pH of the buffer after the addition of 1.0 mL of 1 M HCl. Remember that you are using 50 ml of the buffer so be sure to calculate the number of moles of acetic acid
Determine the molecular formula of the oxide of phosphorous when it is in its gaseous state.
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane
The measured % transmittance at the maximum wavelength is 75.3%. A 1.000 mL portion of 0.01000 Cu(II) is then added to the same cell and mixed with the original solution
What conceptual error did he make? Determine the correct empirical formula for this compound.
calculate the number of NaCl formula units formed when 190 Na atoms and 98 Cl2 molecules react? 2Na + Cl2 → 2NaCl
If Prozac was treated with bromine and was brominated once what would be the most likely produc
At equilibrium, the flask contains 90.6g HI Calculate the equilibrium constant for the reaction at this temperature.
When determining the pressure of dry hydrogen gas, explain how the measured atmospheric pressure is corrected for the presence
A 30 g sample of water at 280 K is mixed with 50 g of water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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