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Chemistry, 21.06.2019 20:00
Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
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The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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Chemistry, 23.06.2019 00:10
Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas
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A 25. 0ml hbr solution of unknown concentration is titrated with 0. 100m naoh. The equivalence point...
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