Chemistry, 23.02.2021 14:00 xoxonaynay
Situation:
You found an unknown substance at home. You want to know whether the substance is an ionic compound or a covalent compound. Using your knowledge of the properties of ionic and covalent compounds, you will test whether the unknown substance dissolves in water and organic solvent or not .
1) Problem Statement (based on the situation above)
2) Hypothesis: Write a hypothesis using the "If... then... because..." format.
3) Identify the variables (given answers in complete sentences):
(i) Independent variable
(ii) Dependent variable
(iii) Controlled variableRequired to answer. Multi Line Text. Immersive Reader
4) How will you collect relevant and sufficient data?
5) Procedure:
In your own words, how should the experiment be done in 5-6 safe and simple
steps with the right materials?
Format:
1.
2.
3.
4.
5.
6.
pls help me I need it rn ;(
Answers: 1
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Chemistry, 22.06.2019 07:00
Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)β2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
Answers: 3
Situation:
You found an unknown substance at home. You want to know whether the substance is an ion...
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