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1. Bleaches act on stains by:a. removing electrons during the oxidation process.b. reducing the colored compound by adding electrons.c. exciting electrons to move between energy levels.d. adding hydrogen ions to the stain.
2. When gasoline is oxidized:a. energy is released.b. CO2 and H2O are formed.c. explosive solids are formed.d. Both a and b are correct.
3. The redox reactions of silver halides are used to:a. form explosives.b. bleach fabrics.c. prevent corrosion.d. develop film.
4. When balancing redox reactions that occur in acidicsolutions,a. add water to the side that needs oxygen atoms.b. add H+ to the side that needs oxygen atoms.c. add water to the side that needs hydrogen atoms.d. add OH- to the side s that needs oxygen atoms.
The density of the metal is 8.785 g/cm3 and the specific heat of the metal is 0.425 J / g oC. If the metal foil absorbs 864.7 J of heat as its temperature changes from 21.32 oC to 34.80 oC, calculate the thickness of the metal foil in mm.
diethyl either is 34.5C and its latent heat of vaporization is 6.38 kcal/mol. Calculate its vapor pressure
What is the dipole moment of HI in C.M 2. The distance between the atoms of H-I is 1.61A . What is the distance in meters. 3. What is the charge associated with each side of the HI molecule 4.What is the percent ionic character of the H-I bond
Which one of the following reactions occurring at 25 ?°C is the formation reaction of H2SO4(l) a. H2(g) + S(s) + 2O2(g) => H2SO4(l) b. H2SO4(l) => H2(g) + S(s) + 2O2(g) c. H2(g) + S(g) + 2O2(g) => H2SO4(l) d. H2SO4(l) => 2H(g) + S(s) + 4O(g) e. 2H..
What is the Brownian diffusivity of a 0.2 um (micrometer) particle in air? Assume T = 293 K and P = 1 atm.
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
what is the Maximum amount of aspirin possible if salicylic acid is the Limiting Reagent? (2.0013g salicylic acid)(3.09 mL acetic anhydride)(2.142 mass of aspirin synthesized)
BH+ClO4- is a salt formed from the base B (Kb = 1.00 × 10?4) and perchloric acid. It dissociates into BH+, a weak acid, and ClO4- , which is neither an acid nor a base. Find the pH of 0.100 M BH+ClO4-.
sodium hydroxide is extremely soluble in water. At a certain temperature, a saturated solution contains 551g of NaOH (s) per liter of solution. Calculate the molarity of this saturated NaOH (aq) solution.
clearly draw the fatty acid 22:4w6. Based upon the structure, what is another name for this fatty acid?
When a compound X, which contains only S, C, and H is burned, one volume of X yields 1 volume of sulfur dioxide, 3 volumes of carbon dioxide and 4 volumes of steam (all volumes measured at the same temperature and pressure). What is the formula of..
How much energy is released in (kJ) in the fusion reaction 2^H to yield 1 mol of 3^He? The atomic mass of 2^H is 2.0141 amu, and the atomic mass
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