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Two separate containers, filled with nitrogen gas, each contain 0.58 moles of gas. Container 1 has a volume of 0.212 L at a temperature of 165 K. The second container is kept at 149.2 K. What is the volume (in liters) of nitrogen gas in container 2? Containers are kept at a constant pressure.
A litre of solution containing 0.1 M of CH3COOH and 0.1 M of CH3COONa provides a buffer of pH 4.74 . calculate the pH of a solution after the addition of 0.02 M of NaOH .
1 calorie = heat required to raise temp. Of 1.00 g of H2O by 1.0 oC. Which has the larger heat capacity? How much energy is transferred due to T difference?
what will the pH be after mixing the 100 ml of HCl solution and the solid NaOH together? Assume the addition of NaOH does not change the volume. (Molar Mass NaOH= 40.00 g/mole : Molar Mass HCl = 36.46 g/mole
An unknown element, X, reacts with chlorine to form a compound with the formula XCl2. Which element is most likely to be element X?
A weather balloon at Earth's surface has a volume of 3.9 L at 275 K and 775 mm Hg. if the balloon is released volume reaches 4.2 L at 711 mm Hg what is the temperature.
What is the boiling point of a solution of 30.20 g of ethylene glycol, HOCH2CH2OH, in 88.40 g of phenol?
175g of water was heated from 15 degrees to 88 degress celsuis. how many kilocalories were absorbed by the water?
The average radius of a molecule of lysozyme, an enzyme in tears is 1430pm,what is the radius in nanometers.
If a total of 13.5 mol of NaHCO and 4.5 mol of C H O react, how many moles of CO and Na C H O will be produced? 3NaHCO (aq) + C H O (aq) 3CO (g) + 3H O(s) +Na C H O (aq).
How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current
how many grams of lithium bromide must be added to 35 grams of water to make a solution
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
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