Chemistry, 20.08.2019 03:30 pollywallythecat
True or false: all matter contains thermal energy, even ice
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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
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Chemistry, 22.06.2019 08:30
Which metal exist in liquid state and can be cut with knife ?
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Chemistry, 22.06.2019 09:00
Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
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True or false: all matter contains thermal energy, even ice...
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