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Explain the volume of flask E is twice that of flask B. Define what is the partial pressure of Ne relative to the overall pressure when the two flasks are connected together?
describe three different ways you could make an aceticacidacetate buffer with acetic acid sodium acetate deionizedwater
Which of the following chemical shifts would correspond to an aldehyde proton signal in a 1H NMR spectrum
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
A bottle of wine contains 12.5% ethanol by volume. The density of ethanol is 0.789 g/cm3. Calculate concentration of ethanol in wine in terms of mass percent and molality.
Calculate the enrichment factor (i.e. the ratio of the diffussion rate of 235 UF6 to 238 UF6 for this method?
If it is unnecessary to add an indicator to KMnO4 titration because of its intense deep purple color. will the end point of the titration coincide with the stoichiometric point. explain
In one experiment, when 112 grams of calcium oxide was mixed with 224 grams of ammonium chloride, 16.3 grams of ammonia was produced. What is the percent yield of ammonia in the experiment
A 15.00 mL sample of a 0.100 M solution of lead(II) nitrate is reacted with 10.00 mL of 0.170 M sodium chloride. How many grams of lead(II)
The Redox reactions are coupled reactions. As one molecule is being oxidized, a second molecule is getting reduced. State a redox reaction using fumarate (and its reduced form succinate) and acetate (and its reduced form acetaldehyde)
If the standard enthalpy of evaporation of CF2Cl2 is 17.4 kJ/mol, compared with change in H(vapor)=41kJ/mol for liquid water. Explain how many grams of liquid CF2Cl2 are required to cool 130.8g of water from 49.4 to 29.4 Celsius. The specific heat..
An unknown amount of water is mixed with 300 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 51.7 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in uni..
For the reaction, calculate how many moles of the product form when 0.036 mol of O2 completely reacts.
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