Chemistry, 22.09.2021 14:00 kaleighlong959
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Two substances, solid P and solid Q, were analysed. Solid P was copper(II) nitrate.
Tests were done on solid P and solid Q.
Answers: 2
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Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
3
Two substances, solid P and solid Q, were analysed. Solid P was copper(II) nitrate.
Tests...
Tests...
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