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A mixture contains two compounds, X and Y. Both compounds X, Y have a solubility =1 g/100 mL of solvent at the temperature of 20 degree Celsius and 16 g/ 100 mL of solvent at 100 degree Celsius. The sample is composed of 3.5 grams of X and 10 grams of Y. At 100 degree Celsius the entire sample just dissolves in a minimum amount of solvent. The solution is cooled to twenty degree Celsius and crystals are collected. Compute the composition of the crystals and the yield of the process. Also determine the composition of the mother liquor?
Why does the absolute refractory period occur and What is happening in the cell.
A sample of water 53 g with a temperature of thirty six degree celsius is combined to 250 grams of H 2 O at 91 degree Celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
Assuming all gases are at the same pressure and temperature, how many liters of CO2 are formed from 15.0L of CO.
Given that the density of the gas mixture =0.312 g/L at the pressure of 0.2 atm and temperature 500 Kelvin At equilibrium. Determine the value of Kc also express your answer in units of (mol/L)?
Write the overall reaction, showing how much ATP (Adenosine tri phosphate) can be produced per pentose used also write an equation for the generation of NADPH using ribose as a sole source of carbon?
you just need to find out Which Substance (given) will be to fall to the bottom of the beaker by combining them with H 2 O In A Beaker?
can you find out the name and formula of the unknown compound and determine the identity of the element?
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
What is the empirical formula of the compound if Quantitative analysis of a 5.00-g sample of a gaseous compound yielded the following results: 2.00 g sulfur and 3.00 g oxygen?
Determine what is the final volume the gas occupies If the pressure of a gas inside the cylinder changes from 840.0 mmHg to 360.0 mmHg,?
Determine how much heat is formed by this reaction if a typical packet has 250 g of Fe to warm your hands (or feet for up to 4 h) express your answer in kJ?
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
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