Chemistry, 26.07.2019 17:00 davidaagurto
What will create static electricity? a) rubbing a plastic comb on a piece of wool b) flipping on a light switch in your classroom c) allowing like forces to attract (negative attracts negative) d) wrapping wire around iron and sending a charge through the wire
Answers: 2
Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 23.06.2019 02:20
Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass
Answers: 1
What will create static electricity? a) rubbing a plastic comb on a piece of wool b) flipping on a...
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