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A student increases the temperature of a 556 cm cubed balloon from 278 k to 232 k. Assuming constant pressure, what should the new volume of the balloon be?
Chromatographic column, it is important to let the level drop in the column eluent to the level of the sand before applying the solution of the compound to be separated. What effect would have on the efficiency of separation ignore this recommenda..
A gas occupies a volume of 480 mL at 127 degrees celsius and 148 mmHg. What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
How many photons are required to heat 275 mL of coffee from 25.0 C to 62.0 C. Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 J/(g K), as water over this temperature range. Express the number of photons n..
Chemistry The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm. The reaction occurs in a 1.09-cm sample cell
Calcium sulfide has a face-centered cubic unit cell with calcium ions in octahedral holes. If the radius of sulfide ion is 184pm and the density of CaS is 2.60 g/cm3.
how can the high electrical and thermal conductivities of metals be explained by electron gas model of metallic
What is the total volume of gaseous products formed when 198 liters of propane (C3H8) react completely according to the following reaction? (All gases are at the same temperature and pressure.) propane (C3H8) (g) + oxygen (g) --> carbon dioxide (g..
A gas mixture composed of helium and argon has a density of 0.670 g/L at 755 mm Hg and 298K. What is the composition of the mixture by mass
A gaseous mixture contains 450.0 Torr of H2(g), 358.7 Torr of N2(g), and 65.1 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
Phosgene (carbonyl chloride),COCl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. Phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: CO(g)+Cl2(g)?COCl2(g)
given a titration between 60.00 ml of 0.100 m acid ha ka a x 10-6 and the titrant sodium hydroxide naoh whose
Question- What causes the difference between the magnitude of pH change between the water system and the buffer system
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