Chemistry, 08.08.2019 06:10 jjjoooorrrrddddaannn
A10.00 g sample of a soluble barium salt is treated with an excess of sodium sulfate to precipitate 11.21 g baso4 (m- 233.4). which barium salt is it? 2. (a) bacl2 (m- 208.2) (b) ba(o2ch)2 (m- 227.3) (c) ba(no3)2 (m 261.3) (d) babr (m- 297.1)
Answers: 1
Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Chemistry, 22.06.2019 17:30
What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
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Chemistry, 23.06.2019 00:30
The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils
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Chemistry, 23.06.2019 01:30
Which is an example of a highly unstable isotope that is often used in fission reactions?
Answers: 1
A10.00 g sample of a soluble barium salt is treated with an excess of sodium sulfate to precipitate...
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