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In the following oxidation-reduction reaction, identify the oxidizing agent, the reducing agent, and the number of electrons transferred.
6l- (aq) + BrO3- (aq) + 6H+ (aq) --> 3I2 (aq) + Br- (aq) + 3H2O (l)
Oxidizing agent?
Reducing agent?
Number of electrons transferred? ?e-
Assuming the diver took a deep breath (6.0L in her lungs)at 1.0 atm just before entering the water, what will be the volume of air in her lungs when she gets to 10 feet of depth? She does not exhale while descending.
How much heat is required to raise the temperature of a 464g of lead from -20.0C to 219C
A red laser pointer emits light with a wavelength of 650 nm. What is the energy (in J) of a photon of light of this wavelength?
A 347 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
Determine the concentration of an unknown hydrochloric acid solution that requires 70.5 mL of 1.6 M barium hydroxide to completely neutralize
Assume that all of the atoms fit together next to each other like placing tennis balls in a cardboard box. The second layer directly on top of the lower layer.
Strong base is dissolved in 615 mL of 0.400 M weak acid (Ka = 4.50 × 10-5) to make a buffer with a pH of 3.95. Assume that the volume remains constant when the base is added.
Physiological saline solutions used for intravenous injections have a concentration of 0.90% NaCl by weight
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
A bottle containing 305 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
The mass of a cube of iron is 338 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Select all of the correct statements about reaction rates from the choices below. The lower the rate of a reaction the longer it takes to reach completion.
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