When a covalent or an ionic bond is formed a chemical change has occurred. which of these is not associated with a chemical change? a. the atoms of the substances produced have been rearranged. b. the substances produced are identical to the substances that reacted except that they're isomers. c. the total mass of the reacting substances is the same as the total mass of the substances produced by the reaction. d. the chemical properties of the substances produced by the reaction are different from those of the reacting substances.
Answers: 1
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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Chemistry, 22.06.2019 07:30
Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?
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Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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When a covalent or an ionic bond is formed a chemical change has occurred. which of these is not ass...
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