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A sample of compound weighing 83.5 g contains 33.4 g of sulfur. The rest is of oxygen. What is the empirical formula?
Aqueous AgNO3 was then added to precipitate the Cl- and Br- ions as AgCl and AgBr. The mass of the silver halides obtained was 0.9873g. What is the molarity of the HBr in the original solution
use the values for delta G to calculate Kp for the above reaction at 500 degrees celcius.
Which of the following assumptions of the kinetic molecular theory of gases is not valid for real gases at high pressure. A) The volume of the gas particles is much smaller than the distance between the gas particles.
Problem- I want to make cis-2-pentene given propyne and other reagents as needed. I need to use retrosynthesis to get from my starting material (propyne) to my target material (cis-2-pentene).
Dry ice is solid carbon dioxide. In its place of melting, solid carbon dioxide sublimes according to the subsequent equation: While dry ice is added to warm water, heat from the water reason the dry ice to sublime more quickly.
Each of the following contains ONLY ONE of the two chemicals indicated. what reagent would you use to identify which of the chemicals is present
What is the minimum frequency of light (nm) that can be used to eject electrons from the surface of this metal via photoelectric effect
The initial temperature was 27.0 degrees Celsius and the final temperature after the addition of metal was 32.5 degrees Celsius. What is the Cp for the metal
Question- In the nitration of methyl benzoate, what removes the hydrogen from the sp3 carbon in cationic reaction intermediate to allow the aromatic ring to reform
Write the oxidation and reduction half reactions for this step and write the balanced overall equation. From a table of standard reduction potentials, calculate the standard voltage that would be measured if this reaction were carried out in an el..
If 18.08 grams of ammonia (NH3) react, how many grams of water should theoretically be produced?
What is the pH of a buffer prepared by adding 0.809mol of the weak acid HA to 0.305mol of NaA in 2.00L of solution? the dissociation constant Ka of HA is 5.66x10^-7
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