Chemistry, 31.01.2020 02:45 dootdootkazoot
Among the different types of scientific knowledge are likely to be modified or discarded most frequently. long ago, in the 1600s, scientists discarded the phlogiston theory because
line 1. hypotheses, laws, theories
line 2. scientists wanted to explain things differently, new evidence didn’t support it, it was too old and needed to be replaced
Answers: 3
Chemistry, 21.06.2019 17:00
The most efficient way to establish the best possible economizer position is to measure
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Chemistry, 22.06.2019 03:30
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Chemistry, 22.06.2019 21:00
Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g
Answers: 2
Among the different types of scientific knowledge are likely to be modified or discarded most frequ...
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