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All temperatures must be converted to Kelvin (K)!! All work and proper units with the final answer must be shown, in order to earn credit for each question!!
-A sample of oxygen occupies an initial volume of 350 mL and temperature of 35?. What final volume will it occupy at a temperature 85??
V1= V2 =
T1 = T2=
-Neon gas was heated from an initial temperature of 50? to a final temperature of 150?. Its final volume is 175 mL. What was the initial volume?
-A sample of helium is cooled and its volume changed from 280 mL to 125 mL.. If the final temperature was -55?, what was its initial temperature?
- Argon gas occupies an initial volume of 5.4 L at an initial temperature of -45?. If the final volume occupied by Argon is 7.5 L, what final temperature does it exist at?
Calculate the partial pressures of CO2 and CO at equilibrium if 5.0 g of CO2 are introduced into a 10.0 L container and heated to 1200 K in the presence of 1.50 g of graphite (C (s)).
Explain how more acetaldehyde is able to escape into the blood stream in certain individuals who lack the mitochondrial form of aldehyde dehydrogenase?
A 455-g piece of copper tubing is heated to 89.5 Celcius and placed in an insulated vessel containing 159g of water at 22.8 degrees Celcius. Assuming no loss of water and a heat capacity of 10.0 J/K for the vessel, what is the final temerature? (c..
Why is the dissolving of salt sometimes an exothermic and sometimes an exothermic process
mercury nanometer contains 2 g of Ar. A burner heats it to Pext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm
If one ignores the thermal expansion of glass and any weighing errors due to the buoyancy effect, does the volume of water actually delivered by a volumetric pipet differ as a function of the temperature of water used in the calibration
The molar solubility of PbBr2 at 25 °C is 1.0 X 10-2 mol/L. Calculate. Ksp, If 0.0490 g of AgIO3 dissolves per liter of solution, calculate the solubility-product constant.
What is the minimum mass of ethylene glycol (ethane-1,2-diol, C2H6O2) that must be dissolved in 14.5 kg of water to prevent the solution from freezing at -22.0°C? (Assume ideal behaviour.)
The most probable radius is one measure of the size of an orbital. For s and p orbitals, how does the size depend on n.
Write the Lewis structure and chemical formula of the compound with a molar mass of about 70 g/mol that contains 19.7% nitrogen and 80.3% fluorine by mass
Problem- A hydrocarbon is a compound that contains mostly carbon and hydrogen. Calculate the percent composition (by mass) of the following hydrocarbon: C 6 H 14.
A 100,000 gal tank is 75% full of liquid containing 60,000 lb of solid in suspension. Water flows into the tank at a rate of 20,000 gal/hr. Water and solids are drawn from the bottom of the tank at a rate of 14,000 gal/hr.
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