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a gas cylinder witha volume of 3.00 dm^3 contains 8.00 moles of oxygen gas at a temperature of 50.0k. what is the pressure inside the cylinder?
clockwise direction around a circular track with a constant speed of 200 km/hr. if is at the southernmost end of the track then determine the velocity of the car?also express your answer in M/S
What is the smallest possible integer coefficient of S in the combined balanced equation and compute the final pressure in the tank if nothing else is altered in the surroundings.
Determine what is the longest possible wavelength of light that could ionize an atom of bismuth if the first ionization energy of bismuth is Ei1 = +70 kJ/mol.?
Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
The atomic mass of element X is 22.99 amu. A 19.98-g sample of X combines with 16.51 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
A student is given four solid samples labeled W, X, Y, and Z. All have a metallic luster. She is told that the solids could be gold, lead sulfide, mica (which is quartz or SiO2), and iodine.
Determine the mechanism for the synthesis of p-nitroacetanilide from acetanilide and HNO 3 , nitric acid and H 2 SO 4 sulfuric acid?
Neon(Ne) is a noble gas with atomic number 10 this is a odorless, colorless, inert monatomic gas under standard conditions but explain some facts about Neaon.
Determine the range of fat you might expect to obtain if you extracted fat from ten grams of nutmeg (Dried, ground nutmeg typically contains between 20-25% fat by weight.) Assume that your extraction is 95% effective.
For each reaction, calculate the mass (in grams) of the product formed when 10.1g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.
An ore containing 24% solid inert and 76 mol% iron pyrites (FeS2) is roasted in the presence of dry air at 500 °C and 1 atm. Considering the given reactions.
An unknown metal X with a mass of 28 grams absorbs 58 J of heat. calculate the heat capacity if Its temperature raises from 31.1 °C to 39.9 °C.
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