subject
Chemistry, 29.10.2020 21:30 TaraC

20 POINTS AWNSER ASAP Which choice best compares these two observations?

A Observation 1 describes a physical change, and Observation 2 describes a chemical change.

Ð’ Observation 1 describes a chemical change, and Observation 2 describes a physical change.

C Each observation describes a physical change.

D Each observation describes a chemical change.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
question
Chemistry, 22.06.2019 09:50
When balancing a chemical equation:
Answers: 1
question
Chemistry, 22.06.2019 16:00
Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust
Answers: 1
question
Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
Answers: 1
You know the right answer?
20 POINTS AWNSER ASAP Which choice best compares these two observations?

A Observation...
Questions
question
English, 09.08.2019 01:10