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A 33.42 g stainless steelball bearing at 117.82°C is placed in a constant-pressurecalorimeter containing 120.0 mL of water at 18.44°C. If the specific heat of the ball bearing is 0.474 J/g·°C,calculate the final temperature of the water. Assume thecalorimeter to have negligible heat capacity.
the enthalpy change for melting ice at 0c and constant atmospheric pressure is 6.01 kjmol. calculate the quantity of
The car has a city mileage of 20 miles per gallon. If the car is replaced with the new car with city mileage off 32 miles per gallon and the average cost of gasoline is $3.62 per gallon, estimate the amount of fuel, energy, and money conserved wit..
A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen.
The explosion of 2.0 mol of solid Trinitrotoluene (TNT; C7H5N3O6) with a volume of approximately 274 mL produces gases with avolume of 448 L at room temperature and 1.0 atm pressure. How much PV work in kilojoules is done during the explosion
What changes would I make in my experimetal procedure to determine the rate law for the oxidation of red dye by sodium hypochlorite
using the equation for the line of best-fit below y1.544x 0.104 r20.9926determine the molar concentration of an
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water. What weight of sodium carbonate would have been present originally
Calculate the number of kilograms of helium needed to inflate a balloon to a volume of 100,000 L at an atmospheric pressure of 250 mmHg and a temperature of -35 °C.
Polonium metal crystallizes in a lattice which contains only one Po atom per cubic unit cell. The radius of polonium atom is 1.67 A. Calculate the density of the polonium metal
It then gives off a photon having a wavelength of 4.10 × 102 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
nitrogen gas was collected over water at a temperature of 40 degrees C, and the pressure of the sample was measured at .796 mmHg. if the vapor pressure of water at 40 degrees C is 55 mmHg, what is the partial pressure of the nitrogen gas?
The temperature of 55.6 g of a material decreases by 14.8C when it loses 3080 J of heat. What is its specific heat?
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