Chemistry, 22.07.2021 14:00 KekePonds1021
Đốt cháy hoàn toàn m(g) hỗn hợp A gồm vinyl fomat, ancol metylic và 2,3-đihiđroxylbutanal (trong đó số mol của vinyl fomat và ancol etylic bằng nhau) thì thu được 52,8gam CO2. Giá trị của m là
Answers: 3
Chemistry, 22.06.2019 05:50
What are transitions between a liquid and a solid called? identify which way they are transitioning
Answers: 2
Chemistry, 22.06.2019 21:40
A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
Answers: 3
Chemistry, 23.06.2019 01:30
Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.
Answers: 1
Đốt cháy hoàn toàn m(g) hỗn hợp A gồm vinyl fomat, ancol metylic và 2,3-đihiđroxylbutanal (trong đó...
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