subject
Chemistry, 18.01.2020 03:31 jerrym163176

When sodium metal is added to water, an orange flame is observed on the metal surface. based on this observation, what can best be concluded?

a physical change occurs because the metal gets smaller.
a chemical reaction occurs because the liquid becomes cloudy.
a chemical reaction occurs because heat and light are given off.
a physical change occurs because vapor is released into the air.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 17:00
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
Answers: 1
question
Chemistry, 21.06.2019 20:40
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34
Answers: 2
question
Chemistry, 21.06.2019 22:00
V1t2 = v2t1 is an expression of who’s law
Answers: 1
question
Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
Answers: 1
You know the right answer?
When sodium metal is added to water, an orange flame is observed on the metal surface. based on this...
Questions
question
Mathematics, 25.01.2020 17:31
Questions on the website: 13722367