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A 6.8 L sample of nitrogen gas has 0.44 moles of gas. How many more moles need to be added to have a 10.0 Liter sample? Assume STP (standard temperature and pressure)
A mixture of gases has a total pressure of 14,200 mm Hg. The two gases are Oxygen (4,300 mm Hg) and nitrogen. What is the partial pressure of nitrogen?
A weather balloon with volume of 600 ml at a temperature of -40 C is heated by the sun to 40 C. What is the new volume?
As the external pressure on a balloon increases, the volume will
Atmospheric pressure is
Select one:
a. 1 atm
b. 735 torr
c. 76 mm Hg
d. 73.5 lbs per square inch
A sample of oxygen gas occupies a volume of 555.0 mL at 822 torr and -45?. Calculate the temperature in ? if the gas has a volume of 2.53 L at 491mmHg.
It takes 151 kj/mol to break an iodine-iodine single bond. Calculate the maximum wavelength of light for which an iodine-iodine single bond could be broken by absorbing a single photon.
What is the molarity of Cl- ions in a solution prepared by dissolving 5.0 g NaCl (molar mass=58.44) in 1.5 L of 0.025 M AlCl3
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
question what would you expect to happen if you combined 1o.0ml of10ml of 10-2 m acetic acid qand 5.0 ml of10-2 m
How do we know the oxidation of camphor leads to a different product if they look/smell the same in the end as it did in the beginning?
the kinetic energy of a rolling billiard ball is given by . suppose a 0.17- billiard ball is rolling down a pool table
Please show each step each/all step/s in the solving of each problem in this assignment; Please show your work for each question, problem and or response, by use of data tables, graphs, set-ups with units throughout your work, road maps with uni..
The Henry's Law constant (k) for carbon monoxide in water at 25ºC is 9.71 x 10-4 mol/(L•atm). How many grams of CO will dissolve in 1.00 L of water if the partial pressure of CO is 2.75 atm?
A tunable dye laser emits pulses of light at 609.0 nm, each having a total energy of 9.8E-6 J. Calculate the number of photons in each pulse.
Compound Y contains only carbon, hydrogen, and oxygen. When a 1.000-gram sample of Compound Y is subjected to combustion analysis, 2.432 grams of CO2 and 0.574 grams of H2O are produced. Determine the empirical formula of Compound Y.
A sample of N2 gas occupies 2.40 L at 20°C. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L
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