Chemistry, 06.12.2021 20:40 krystalScott17
Why are coal, oil, and natural gas called fossil fuels? (1 point)
They are called fossil fuels because fossil fuels are old-fashioned technology and are out of date, like
fossils.
O They are called fossil fuels because fossils are found inside the fossil fuels.
They are called fossil fuels because both fossils and fossil fuels are found in sedimentary rocks.
They are both called fossil fuels because they break rock into smaller pieces.
Answers: 3
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
Chemistry, 23.06.2019 00:20
How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal
Answers: 1
Why are coal, oil, and natural gas called fossil fuels? (1 point)
They are called fossil fuels bec...