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what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene? The boiling point of pure benzene is 80.1 C . and the boiling point elevation constant ,Kbp, is 2.53C/m
A mixture of CO, CO2 and O2 is contained within a 275 mL ?ask at 0 ? C. If the total pressure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr, what is the partial pressure of O2
When 1 mol of H2O and 1 mol of CO are placed in an empty 1L reaction vessel at 959K, the equilibrium mixture containes 0.422 mol of water vapor. Find Kc at 959K if the equation is: H2O(g) + CO(g) H2(g) + CO2(g)
diamond crystallizes in a cubis cell with a+0.35670 nm and Z=8. Using 3.51 g/cm cubed as the density of diamond calculate te value of avagadro's number.
If 5.40 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
the reaction conditions are influencing the directing effect of the -NH2 group. Explain why this occurs, using both words and structures.
Calculate the number of kilograms of helium needed to inflate a balloon to a volume of 100,000 L at an atmospheric pressure of 250 mmHg and a temperature of -35 °C.
A solution is prepared by dissolving 270 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
A reaction between methane and hydrogen sulfide to produce carbon disulfide and hydrogen gas was carried out. CH4 (g) + 2 H2S(g) → CS2 (g) + 4 H2 (g)
The temp of the water and that of the gas are identical at 26°C. How many moles of Helium have been evolved?
how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine? Although this depends on the size of the person and their respiration rate, according to NASA, an average person ne..
The volume of a gas sample is 650. mL at STP. What volume will the sample occupy at 25.0°C and 950. torr pressure.
If solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 2021 kPa?
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