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(a) V = 573 mL at 1.00 atm. What is the volume at 711 torr? (b) V = 2.25 L at 110.5 kPa. What is the volume at 0.994 atm? (c) V = 4.55 mL at 147 atm. What is the pressure if the volume changes to 10.0 mL?
A solution of ethanol (C2H6O) in water is sometimes used as s disinfectant. 1.00 L of this solution contains 553 g or ethanol and 335 g of water. What is the mole fraction of ethanol in this solution.
20ml of 0.15M H3PO4 is required to neutralize 40ml of a KOH solution. The molarity of the KOH solution is?
Consider the following equation: 2Mg(s) + O2 (g) → 2MgO(s). How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?
A solution is prepared by dissolving 159 g sucrose (C12H22O11) in enough water to produce 1.40 L solution. What is the molarity of this solution?
If 124 mL of 9.50 M nitric acid is diluted to 555 mL, what is the concentration of the diluted solution
For the equation: C (s) + CO2 (g) -> 2CO (g); the value of Kp is 167.5 at 1000 oC. If a 5.00 L container initially contains 2.99 atm pressure of CO2 (g) at 1000 oC, what are partial pressure of CO2 (g) and CO (g) at equilibrium?
At 20 degrees celsius the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. what is the vapor pressure at 20 degrees celsius of a solution prepared by mixin 26.0 g. of methanol and 85 g. of ethanol?
How many L of H2 gas (at STP) is produced from 470 mL of 0.36 M HCl and excess Zn? The reaction is: Zn + 2HCl = ZnCl2 + H2
Suppose that an excess of propane, C3H8 burns in 320 g of O2. How many moles of H2O will be formed? C3H8 + 5 O2 → 3 CO2 + 4 H2O
The natural abundance of 13C is only 1.1%. Furthermore, its sensitivity in NMR spectroscopy (a measure of the energy difference between a spin aligned with or against an external magnetic field)
How much heat is required to warm 231 g of ice from -46.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
an average concentration of dissolved gold of 5.8*10^?9 g/L. (a) How many grams of gold are in the ocean? (b) How many m^3 of gold are in the ocean?
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