subject
Chemistry, 24.09.2020 16:01 dozsyerra

Which statements describe chemical changes? Check all that apply. a. The after-rain smell is produced by an interaction between rain and the oils released by plants.
b. A homemade volcano can be created by combining baking soda and vinegar. When it erupts, carbon dioxide gas is released.
c. Sheep are sheared for their wool. The wool is cleaned and twisted into yarn. The yarn is dyed and used to knit clothing.
d. The Statue of Liberty has turned green over time due to the reaction of copper with carbon dioxide and water.
e. Mosaic art is created by smashing colored glass tiles and rearranging them to form a picture or design.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 04:00
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
Answers: 1
question
Chemistry, 22.06.2019 08:00
Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
Answers: 2
question
Chemistry, 22.06.2019 14:30
Which of the following describes a situation where competition between producers exists
Answers: 1
question
Chemistry, 22.06.2019 20:30
Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback
Answers: 2
You know the right answer?
Which statements describe chemical changes? Check all that apply. a. The after-rain smell is produc...
Questions
question
Mathematics, 06.07.2019 03:00
Questions on the website: 13722360