subject
Chemistry, 18.12.2020 08:40 kmh05

What are the signs that a lighting a match has undergone a chemical change? Energy is absorbed, gas produced and gas forms from a solid. Energy is absorbed, gas produced and gas forms from a solid. Energy is released, gas produced and there is a precipitate forms. Energy is released, gas produced and there is a precipitate forms. Energy is released, gas is absorbed and a color change Energy is released, gas is absorbed and a color change Energy is released, gas produced and there is a color change. Energy is released, gas produced and there is a color change.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 01:30
100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
question
Chemistry, 22.06.2019 04:00
Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?
Answers: 2
question
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
question
Chemistry, 23.06.2019 04:31
How many grams of iron can be made from 16.5 grams of fe2o3
Answers: 1
You know the right answer?
What are the signs that a lighting a match has undergone a chemical change? Energy is absorbed, gas...
Questions
question
Mathematics, 30.12.2019 02:31
Questions on the website: 13722367