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If the hydrogen ion (H+) [or the hydronium ion (H3O+)] and the hydroxide ion (OH-) react together what is the product of the reaction?
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains .0011% Pb by mass. What volume of water in mL contains 115 mg of Pb
Ignoring any side reactions and assuming the reaction occurs completely, how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine?
Problem- Calculate the final temperature when 2.80 KJ of energy is transferred as heat to 1.50 mol BF3 at 298K and 1 atm at constant pressure.
A solution is made by dissolving 5.00 g of iodine in 100 mL of methanol (density = 0.791 g/mL) to form a solution. What is the mass percent solute in the solution.
is the melting of wax a physical or chemical change? from the mass measurement only the mass of the candle at 0 minute
The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation. The product is an achiral carboxylic acid B (C5H8O2). What are the structures of Compounds A and B?
When acid is added to methyl orange the proton attaches to the molecule. Utilizing electron pushing arrows, illustrate how a resonance structure could be drawn that places the positive charge on the N,N-dimethyl nitrogen of the product.
During the course of an experiment, 10.0 mL of water is added to 25.0 mL of aqueous 0.120 M NaCl. What is the concentration of NaCl in the resulting solution
Find two organizations that provide the same or similar products or services. One of these organizations should be a large organization.
Explain why it is important to rinse out the burette and pipette with the reagent that it will hold before it is used in a titration
High-purity benzoic acid (C6H5COOH; change H (rxn) for combustion = -3227 kj/mol) is used as a standard for calibrating bomb calorimeters. A 1.221-g sample burns in a calorimeter
Question- Blood pH lies within the narrow range 7.35 - 7.45. The principle buffer mechanism is shown as the biocarbonate/carbonic acid equilibrium:
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