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To calibrate your calorimeter cup, you first put 49 mL of cold water in the cup, and measure its temperature to be 18.5°C. You then pour 53 mL of hot water, temperature = 45.1 °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 31.2 °C
What is the heat capacity of Ccup?
sulfur is used in the production of vulcanized rubber detergents dyes pharmaceuticals insecticides and many other
The crystalline form of rhodium (Rh) is composed of face-centered cubic unit cells. If the density of rhodium is 12.42 g/cm3 at room temperature
What are the likely ground-state electron configurations of the following anions? Se2-, N-3
Type the half-cell reaction that takes place at the cathode for the iron-silver voltaic cell. Indicate physical states using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not forget..
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used?
A sample contained a mixture of CdS and ZnS. The amount of CdS was determined by reacting 5.903 g of the sample with an excess of HCl to release H2S from each compound
explain the molecular mechanism of how ATP synthase produces ATP
What would be the potential of the Cu-Zn cell be if the concentration of Cu2+ was 1.00M while the concentration of Zn2+ was 0.60M
Calculate the pH of a 25 mL distilled water sample after the addition of 1mL, 2mL, 3mL, 4mL
What is the hydronium-ion concentration in a solution resulting from mixing 130. mL of 0.100 M HCN and 30.0 mL of 0.100 M KOH at 25°C? Ka for HCN = 4.9 × 10-10 at 25°C.
calculate approximately the heat released when you are given a chemical equation asnbsp 2-methyl-1-propene ch32c ch2
Compare the energy of a photon of wavelength 3.4 um with that of wavelength 0.155 nm. answer is in E1/E2
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