Physics, 10.07.2019 07:50 mckeeshallea400
In a science demonstration, a teacher mixed zinc (zn) with hydrogen chloride (hcl) in a flask and quickly attached a balloon over the mouth of the flask. bubbles formed in the solution and the balloon inflated. what most likely occurred during this demonstration? 1.the zn and hcl both retained their identity. 2.either zn or hcl, but not both, retained its identity. 3.evaporation of one of the substances occurred. 4.one or more new substances formed.
Answers: 2
Physics, 22.06.2019 02:30, dxpebetty64
Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.
Answers: 1
In a science demonstration, a teacher mixed zinc (zn) with hydrogen chloride (hcl) in a flask and qu...
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