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1. It takes 53.0J to raise the temperature of an 11.8g piece of unknown metal from 13.0 degrees C to 24.6 degrees C. What is the specific heat for the metal? Express your answer numerically, in J/g (degrees C)
2. The molar heat capacity of silver is 25.35 J/mol (degrees C). How much energy would it take to raise the temperature of 11.8g of silver by 16.2 degrees C?
3. What is the specific heat of silver? In J/g (degrees C)
Calculate the mole fraction of the salt in the solution.
what is the limiting reactant when 3.41g of lithium with 2.79g of copper II nitride?predict the products, write a balanced equation, calculate the limiting reactant.
what does the Fluid Mosaic Model say about the structure and composition of a cell's membrane. Why would water molecules or a metabolic compound like Acetyl-CoA, need a transport protein to move rapidly and in large quantities across a membrane
compare the length of a column of mercury to that of a column of water required to produce a pressure of 1.0 bar. the densities of mercury and water at 0C are 13.459g/cm^3 and .99987g/cm^3
which atom will have the largest atomic radius? Sb, Ba, or F?
The smallest unit of charge is -1.6× 10-19 C, which is the charge (in coulombs) of a single electron. Robert Millikan was able to measure the charge on small droplets of oil by suspending them between a pair of electrically charged plates.
Initially the stopcocks are closed. One of the flasks contains 2.0 of , the second 3.7 of , and the third, 0.10 of ethanol. The vapor pressure of at 308 is 42 and that of ethanol is 102 . The stopcocks are then opened and the contents mix freely.
If 495g NaOH is dissolved in a final volume of 20.0 L, what is the molarity of the solution.
The Keq for the equilibrium below is 5.4 × 1013 at 480.0 °C. 2NO (g) + O2 (g) ? 2NO2 (g) What is the value of Keq at this temperature for the following reaction? 4NO (g) + 2O2 (g) ? 4NO2 (g)
which molecule will undergo only london dispersion forces when interacting with other molecules of the same kind?
A 25.95 -g sample of methanol at 35.6°C is added to a 38.65-g sample of ethanol at 24.7°C in a constant pressure calorimeter. If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determi..
how many grams of ethylene glycol should you add to each liter of water? First convert the temperature to degrees Celsius, use the Kf vaule of 1.853 degrees C/molal for water, and recall that the density of water is 1.00 g/mL.
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