subject
Chemistry, 02.12.2021 15:40 lupitasalas9283

phân tích từng giai đoạn và cho biết từng giai đoạn diễn ra hiện tượng hay hóa học khi đun nóng đường cát, đường chảy (1) .Đường chuyển sang màu vàng (2), từ màu vàng chuyển dần thành chất rắn màu đen, có vị đắng và có hơi nước thoát ra. (1) (2) (3)

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 18:00
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
Answers: 3
question
Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
question
Chemistry, 22.06.2019 00:20
Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml
Answers: 2
question
Chemistry, 22.06.2019 08:00
What are the similarities of physical and chemical change ?
Answers: 1
You know the right answer?
phân tích từng giai đoạn và cho biết từng giai đoạn diễn ra hiện tượng hay hóa học khi đun nóng đườn...
Questions
question
Mathematics, 20.04.2021 02:20
question
English, 20.04.2021 02:20
question
Mathematics, 20.04.2021 02:20
question
Mathematics, 20.04.2021 02:20
question
Mathematics, 20.04.2021 02:20
Questions on the website: 13722361