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Suppose that aqueous solutions of barium nitrate and potassium carbonate are mixed. What is the name of the compound or compounds that precipitate?
A solution is made by mixing 12.0 g of NaOH and 75.0 mL of 0.200 M HNO3. Calculate the concentration of each ion remaining in the solution and determine whether the solution is acidic or basic.
For every molecule of PM that is produced, one molecule of acrolein is formed. If acrolein is not used to cure cancer, what might happen to the acrolein?
Why is a melting point of an impure compound depressed and its range is increased when you compare it to the pure compound
The mechanism by which these compounds kill insects and people is unknown. D. These compounds kill insects and people by stimulating acetylcholinesterase, an enzyme of the nervous system.
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.23 V
Calculate the root mean square (rms) average speed of the atoms in a sample of xenon gas at 0.11 atm and -37C.
What mass of calcium can be produced by this process if a current of 5900 A is applied for 55 h? Assume that the electrolytic cell is 60 % efficient.
The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temperature. Which of the following statements are in agreement with the third law of thermodynamics. Check all that apply. Check all that apply. At absolut..
Stripping voltammetry is a trace electrochemical technique in which the current is linearly proportional to concentration. A solution of 1.0x10-7 M Pb(II) gave a current of 0.139 mA.
if 500g of potassium chlorate solid decomposes and produces 303g of potassium chloride solid how many grams of oxygen
Write the reaction equation for antifreeze poisoning and give its treatment.
How much free energy is made available by the pH gradient and membrane potential for the transport of protons INTO the cell?
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