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A 124 mL bubble of hot gases at 213° C and 1.90 atm is emitted from an active volcano.
What is the final temperature in degrees Celsius of the gas in the bubble outside the volcano if the final volume of the bubble is 133 mL and the pressure is 0.780 atm , if the amount of gas does not change?
Chlorine gas is to be heated from 100oC and 1 atm to 200oC a. Calculate the heat input (kW) required to heat a stream of the gas flowing at 5 kmol/s at constant pressure
The system H2 (g) + I2 (g) ?? 2 HI(g) is at equilibrium at a ?xed temperature with a partial pressure of H2 of 0.200 atm, a partial pressure of I2 of 0.200 atm, and a partial pressure of HI of 0.100 atm.
Suppose you were instructed to add 38 g of sodium chloride (NaCl) to 100 mL of water. a. prepared as instructed at 20°C b. heated the mixture in (a) to 100°C. Describe what you would observe under the following conditions.
Consider the following reaction- 2A + B ? 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction
The density of germanium is 5.325 g/cm3. If you made a 5.3-nm diameter quantum dot of germanium, how many Ge atoms would it contain? Assume the dot is spherical.
Show two different ways to make methyl propionate, using methanol, propionic acid and other necessary reagents The methanol and propionic acid do not have to both be used in the first step.
A 1.00 L buffer solution is .250 M in HF and .250 M in LiF. Calculate the pH of the solution after the addition of .15 moles of solid HI. Assume no volume change. Ka for HF at 25C is 3.5x10^-4
A 1.70-g sample of a large biomolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
a 255-ml flask contains pure helium at a pressure of 745 torr. a second flask with a volume of 455 ml contains pure
Explain in terms of colligative properties, ion pairing, and van't Hoff factors why the freezing points of the following set of 0.100 m aqueous solutions follows the trend LiF>LiCl>NaI>CsI>FeI2>FeI3
In a gas mixture, the partial pressure are argon 415 mmHg, neon 75mmHg, and nitrogen 125 mmHg. What is the total pressure (atm) exerted by the gas mixture
Problem- How many grams of NaCH3COO and HCH3COO need to be added to 0.500L of water to create a buffer that is 100mM acetic acid. pH= 5.0
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