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Imagine a solution at 25 oC which contain 25.0 mL of ethanol (d = 0.800 g/mL) and 40.0g of water (d =1.00 g/mL). At this temperature the vapor pressure of water is 23.8 Torr and that of ethanol is 60.8 Torr.
What mass of NaHCO3 (M = 84.0) is required to completely neutralize 25 mL of 0.125 M H2SO4? answer is 0.525 g please expline how
A 4.90 g nugget of pure gold absorbed 266 J of heat. What was the final temperature of the gold if the initial temperature was 23.0°C? The specific heat of gold is 0.129 J/(g·°C).
What is the coefficient of the water? K2O + H2O What is the mass of 2.10 x 1021 atoms of copper, Cu? What is the molar mass of aspirin, C9H8O4?
The organic compound called aluminon is used as a reagent to test for the presence of the aluminum ion in aqueous solution
What volume of CO2 would be produced each day? Suppose the gas mixture produced by the decomposition is trapped in a container at 17 degree celcius
What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia?
When electrons in a molecule are not found between a pair of atoms but move throughout the molecule, this is called
Predicting nuclear stability is important when determining whether or not a nuclear reaction can take place spontaneously.
Draw N-ethyl-3-methylpentanamide. Draw your structural formula with all necessary hydrogen atoms.
What is the value of the equilibrium constant for the reaction between Al(s) and Cd2+(aq), at 25 °C?
what is the concentration M of a NaCl solution prepared by dissolving 15.3g of NaCl in sufficient water given 455mL of solution?
What is the pH of a buffer that results when 0.50 mole of Na3PO4 is mixed with 0.75 mole of HCl and diluted with water to 1.00 L?
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