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To calibrate your calorimeter cup, you first put 51 mL of cold water in the cup, and measure its temperature to be 19.5°C. You then pour 59 mL of hot water, temperature = 52.5 °C, into the cup and measure the temperature every thirty seconds over a 10 minute period. You extrapolate this "cooling curve" back to the time of addition and find that the "final temperature" after mixing is 35.6 °C.What is the heat capacity of the calorimeter cup?
Give your answer to three significant figures, and include units. (Use K as your temperature unit rather than .) (Use the unrounded value from Part C for this calculation).
what mole ratio of molecular chlorine to molecular oxygen would result from the breakup of compound Cl2O7 into its constituent elements.
the diprotic acid H2B is being titrated against .04M NaOH. H2B has 40mL, .2M concentration, Ka1+2.5*10^-3, Ka2=3*10^-10. What are the concentrations of each species in the following pts in the titration
What would be the synthesis for my chaclone synthesis if 3-nitrobenzaldehyde were to react with 4-bromoactylphenone
What it the chemical reaction between silver ion and excess ammonia.
What is the minimium wavelength of light necessary to ionize an atom of sodium? what is the minimum wavelength of light necessary to ionize a mole of sodium atoms?
At 320.0 K, an equilibrium mixture of NO2(g) and N2O4(g) has partial pressures of 393 torr and 292 torr, respectively. After a quantity of NO2(g) is injected into the mixture, the total pressure jumps to 812 torr.
A 0.115 M solution of a weak acid (HA) has a PH of 3.33. Calculate the acid ionization constant (Ka) for the acid.
Calculate individual concentrations in an unknown mixture. Calculate the individual concentrations of C and of D in the following unknown mixture: Compound C: Absorbance at 365nm = 0.150 Absorbance at 470nm = 0.642 Concentration = 1.00 X 10^-4 Com..
the actual yield of a reactant is 22 g and the theoreticaal yield is 25 g calculate the percentage yield
1.00 grams of magnesium and 2.50 grams of oxygen react together in a synthesis reaction to form magnesium oxide. write
You are checking the accuracy of a volumetric flask marked 10.00 mL. You measure the volume of water contained in the flask by measuring the mass of the empty flask
a 14.0 g sample of cacl2 is dissolved in 121 g of water with both substances at 25.0degc. calculate the final
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