Chemistry, 26.06.2019 17:00 ainhoagmz903
The chemical equation for a reaction between kmno4 and hcl is shown. 2kmno4 + 16hcl β 2mncl2 + 5cl2 + 2kcl + 8h2o which of the following identifies the reactant that acts as a reducing agent in the reaction and explains the answer? kmno4, because the oxidation number of mn changes from +7 to +2. kmno4, because the oxidation number of k changes from +7 to +2. hcl, because the oxidation number of h changes from β1 to 0. hcl, because the oxidation number of cl changes from β1 to 0.
Answers: 1
Chemistry, 22.06.2019 22:30
Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 βc to 0 βc. what will happen during cooling?
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Chemistry, 23.06.2019 00:30
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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Chemistry, 23.06.2019 06:30
Aplanet similar to earth has four moons roughly the same distance away. the moon that will most affect tides on the planet is the one that has the greatest a) mass. b) volume. c) density. d) amount of water.
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Chemistry, 23.06.2019 10:00
An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquidβs surface.
Answers: 3
The chemical equation for a reaction between kmno4 and hcl is shown. 2kmno4 + 16hcl β 2mncl2 + 5cl2...
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