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Chemistry, 21.06.2019 23:00
The drawing represents the movement of particles in a substance. what changes of state can this substance undergo
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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
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Chemistry, 22.06.2019 05:00
Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change
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Chemistry, 22.06.2019 15:00
Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude
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A3.35 gram sample of an unknown gas is found to occupy a volume of 1.64 l at a pressure of 706 mmhg...
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