Aparty shop delivers helium-filled balloons to homes and businesses. the owners realize from experience that on hot summer days they should inflate the balloons only three quarters full. on cold winter days they can fully inflate the balloons. which of the following is the best hypothesis to explain this observation?
a. air outside the balloons leaks into the balloons
b. the helium gas is more active in the winter season
c. as the temperature increases, the helium in the balloons expands.
d. outdoor air pressure in the summer is less than indoor air pressure
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When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?
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Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)
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Aparty shop delivers helium-filled balloons to homes and businesses. the owners realize from experie...
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