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Explain if you dissolve .95 grams of an unknown salt into 13 grams of Benzene (C6H6) as well as find that the new freezing point is 2.78°C, define what is the Molar Mass of the unknown? Compute what the new boiling point would be. Define what would the mole fraction of Benzene be?
for a particular reaction deltahdeg is 20.1 kj and deltas is 45.9 jk. assuming these values change very little with
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
if a liquid has a density or 1.17 g/cm(3) and a mass of 3750 g calculate the volume?
Draw resonance structures to show in which position 4-methylacetanilide will undergo nitration.
in photosynthesis plants use energy from the sun in combination with carbon dioxide and water to form glucose c6h12o6
A copper wire (density = 8.96 g/cm3) has a diameter of 0.49 mm. If a sample of this copper wire has a mass of 11 g, how long is the wire in ft?
If 1.020g of KHC8H4O4 (204.23g/mol) is completely neutralized with 0.200 M KOH, what volume of potassium hydroxide is required. KHC8H4O4(aq) + KOH(aq) -(arrow to the right) K2C8H4O4(aq) + 2 H2O(1)
a gas balloon has a volume of 106.0 liters when the temperture is 45 clesuis and the pressure is 740.0 mm of mercury.
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
give a physical interpretation of equimolar counter
What mass of calcium chloride is dissolved in 100. mL of a 1.20 M solution of calcium chloride
What is the equivalent mass of metal that is dissolved in sulfuric acid during hydrogen release if 2.27 g metal reacts with 30 ml 33 w/w% H2SO4 (density 1.25 g/cm^3,
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