Chemistry, 26.06.2019 08:30 Lesquirrel
Which of the following statements does not accurately describe precambrian earth? a. the atmosphere was similar to that of early mars and venus. b. the oceans were chemically different from modern oceans. c. the ocean water was salty and rich in dissolved oxygen. d. there were large amounts of water in earth’s mantle.
Answers: 1
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In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al
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Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
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Chemistry, 22.06.2019 04:00
Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity
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Chemistry, 22.06.2019 11:00
Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation
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Which of the following statements does not accurately describe precambrian earth? a. the atmospher...
Mathematics, 29.04.2021 17:50
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