Please someone help me with these two
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Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 β 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
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Chemistry, 23.06.2019 05:00
1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt
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Chemistry, 23.06.2019 08:00
Determine the number of moles of air present in 1.35 l at 750 torr and 17.0Β°c. which equation should you use? n=pv/rt what is the number of moles present? β 0.056 mol a sample of n2 gas occupying 800.0 ml at 20.0Β°c is chilled on ice to 0.00Β°c. if the pressure also drops from 1.50 atm to 1.20 atm, what is the final volume of the gas? which equation should you use? v2= p1v1t2/p2t1 what is the final volume of the gas? β 932 ml these are the answers
Answers: 1
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