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What is the chemical reaction to a gum drop when caught on fire.
A 1.39 mole quantity of NOCL was initially in a 1.0 L container. At equilibrium it was determined that 20% of the NOCL had dissociated. What is the value of the equilibrium constant under these conditions?
Problem- Suppose that the microwave radiation has a wavelength of 12cmcm . How many photons are required to heat 305mL of coffee from 25.0C to 62.0 C?
Which of the following combiantions of terms best describe the polymerization of a diisocyanate (OCN-R-NCO) and a diol to form a polyurethane
Which solution do you expect to have the lowest boiling point? Explain your answer. a. 10 grams of Na2SO4 in 60 mL water b. 10 grams of KCL in 60 mL water c. 10 grams of glucose (C6H12 O2) in 60 mL water
The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
question in the reaction below 2.41 atm each of h2 and br2 were placed into a 1.00 l flask and allowed to reacth2g
Calculate the freezing point of a 2.00 molal solution of the nonelectrolyte glucose. The freezing point constant for water is 1.86 °C/molal.
Define why the benzene ring is more reactive towards electrophilic aromatic substitutions and why the electrophile will predominately go to the ortho as well as para positions.
Question- when 35.6L of ammonia and 40.5L of oxygen gas at STP burn, nitrogen monoxide and water form. After the products return to STP, how many grams of nitrogen monoxide are present?
calculate the quantity in grams of formic acid and sodium formate necessary to make 500 mL of a buffer that has a formic acid concentration of .75 M and a sodium formate concentration of .75 M
A 20 degrees Celsius, the solubility of potassium nitrate is 30g in 100g of water. A 35 gram solution of potassium nitrate in water was determined to contain 10 grams of KNO3
If electricity of sufficient voltage is passed into a solution of potassium iodide in water, a reaction takes place in which elemental hydrogen gas and elemental iodine are produced, leaving a solution of potassium hydroxide.
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