Jim drops an iron magnet during a chemistry lab experiment. he finds that it is no longer magnetic. what has happened in terms of its properties? a. a physical change occurred in which the iron remained iron, but lost one of its physical properties. b. a physical change occurred that changed the iron in the magnet into nickel. c. a chemical change occurred that changed the iron in the magnet into nickel. d. a chemical change occurred in which the iron remained iron, but lost one of its chemical properties.
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Chemistry, 22.06.2019 07:40
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
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Chemistry, 23.06.2019 11:50
What is the oxidation half-reaction for this unbalanced redox equation? cr2o72â + fe2+ â cr3+ + fe3+ cr3+ â cr2o72â cr2o72â â cr3+ fe3+ â fe2+ fe2+ â fe3+?
Answers: 2
Jim drops an iron magnet during a chemistry lab experiment. he finds that it is no longer magnetic....
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