subject
Chemistry, 18.07.2019 15:10 jodonw5616

Which of these is an example of a physical change? sugar dissolving in warm water iron rusting in the presence of moist air wood burning in the presence of oxygen baking soda reacting with acid to form a gas

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 11:40
Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?
Answers: 1
question
Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
Answers: 2
question
Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
question
Chemistry, 22.06.2019 22:30
How many valence electrons are in atom of radon?
Answers: 1
You know the right answer?
Which of these is an example of a physical change? sugar dissolving in warm water iron rusting in t...
Questions
question
Mathematics, 07.07.2019 17:40