Chemistry, 19.11.2020 01:30 sanjanadevaraj26
Ayudaaa porfa ❤️
1. El helio es un gas valioso utilizado en la industria, en investigaciones en las que se requiere baja
temperatura, en los tanques para buceo profundo y para inflar globos. ¿Cuántas moléculas de
sustancia de helio hay en 6,46 g de este gas?
2-. Calcula el número de átomos en 0,551 g de potasio.(MA K=39 g/mol)
3- Calcula la cantidad de moles de cloroformo(CHCI) en 198 g de cloroformo.
Datos (MA g/mol → C=12 , Cl=35,5).
4-¿Cuántos mol de átomos hay en 6 millones de átomos de este metal?
Answers: 2
Chemistry, 22.06.2019 03:00
In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?
Answers: 3
Chemistry, 22.06.2019 08:30
Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
Answers: 1
Chemistry, 22.06.2019 09:30
Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles
Answers: 2
Chemistry, 22.06.2019 14:30
Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
Answers: 1
Ayudaaa porfa ❤️
1. El helio es un gas valioso utilizado en la industria, en investigaciones en las...
Chemistry, 05.05.2020 07:40
Law, 05.05.2020 07:40
Mathematics, 05.05.2020 07:40
Mathematics, 05.05.2020 07:40
Mathematics, 05.05.2020 07:40
Mathematics, 05.05.2020 07:40
History, 05.05.2020 07:40
Mathematics, 05.05.2020 07:40
French, 05.05.2020 07:40
English, 05.05.2020 07:40
Mathematics, 05.05.2020 07:40
English, 05.05.2020 07:40