Which event is a chemical change?
O a) The paint cracks and chips,
O b) The roof
the ca...
Chemistry, 11.06.2021 21:10 Wocking310
Which event is a chemical change?
O a) The paint cracks and chips,
O b) The roof
the car dents
Oc) The baseball strikes the roof.
O d) The exposed metal rusts.
Answers: 2
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In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2
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According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.
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At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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