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1) You have a 22 g sample of ethanol with a density of 0.7893 g/mL. What volume of ethanol do you have?
2) What mass of lead (density 11.4 g/cm3) would have an identical volume to 14.1 g of mercury (density 13.6 g/cm3)?
A particular compound has a heat of vaporization of 28600 J/mol. At 281 K it has a vapor pressure of 121 mmHg. What is its vapor pressure at 306 K
1. What are the shapes of the NMe4+, [I3]- and [I5]- ions? The hybridization of the atoms?
rate of reaction for 8h2s 4o2 -gt 8h2o s8 if started with 21.35g of h2s and 15.36g of o2. what is the limiting
Ethylene glycol, C2H4(OH)2 is a colorless liquid used as automobile antifreeze. If the density at 20 degrees celsius of a 4.028 m solution of ethylene glycol in water is 1.0241 g/ml, what is the molarity of the solution? The molar mass of ethylene..
How many ml of 94 w/w% sulfuric acid (d=1.84 g/cm^3) is necessary for the preparation
Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if the can were heated to 1155 °C?
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
The air in a 5.00-L tank has a pressure of 1.20 atm. What is the new pressure, in atm, of the air when the air is placed in tanks that have the following volumes if there is no change in temperature? a) 1.00 L. b) 2500. mL. c) 750. mL. d) 8.0 L.
Addition of bromine to 130 mg of trans-stilbene gave 200 mg of meso-dibromide. Calculate the percentage yield.
Explain the Coordination Chemistry and Chemical Speciation Utilized in the Analysis of Fluoride in Water Samples by Fluoride Ion-Selective Electrode.
a student dissolves two moles of mgno32 into a beaker of water. how many nitrate ions are present in the
Oxygen gas is commonly sold in 40.5L steel containers at a pressure of 141 atm. What volume (in liters) would the gas occupy at a pressure of 1.05 atm if its temperature remained unchanged
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