Which of the following statements is NOT true?
An element and a compound are pure substances.
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Chemistry, 23.03.2021 21:20, yfgkeyonna
Which of the following statements is NOT true?
An element and a compound are pure substances.
A homogeneous mixture can be called a solution.
An element and a compound are mixtures.
A homogeneous mixture and a heterogeneous mixture can both be classified as mixtures.
Answers: 1
Chemistry, 22.06.2019 20:20, catchonyet
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
Chemistry, 22.06.2019 20:30, Schoolworkspace453
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
Chemistry, 22.06.2019 22:00, robert7248
All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
Answers: 1
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