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Eva8 [605]
3 years ago
7

the figure shows particles of a substance in a closed container. Which state of matter is shown in the figure?

Chemistry
1 answer:
FromTheMoon [43]3 years ago
5 0
I don’t know not really sure just need the point sorry
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Due to the fact that ionic compounds have strong intermolecular forces they are __________ at room temperature.
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1. A student tried to solve the following problem by selecting the tile as shown. What, if anything, did the student do wrong?
slega [8]

Answer:

B. The student chose the correct tile, but needs to flip the tile to make the units cancel

Explanation:

Based on the reaction:

2AgNO₃(aq) + Cu(s) → 2Ag(s) + Cu(NO₃)₂ (aq)

<em>2 moles of AgNO₃ react per mole of Cu producing 2 moles of Ag and 1 mole of Cu(NO₃)₂</em>

Thus, if you want to produce 6.75moles of Cu(NO₃)₂ you need:

6.75moles of Cu(NO_3)_2  \frac{2 mol AgNO_3 }{1 mol Cu(NO_3)_2} = 13.50 moles of AgNO₃ are needed

Thus, if you analize the tile shown by the student:

<em>B. The student chose the correct tile, but needs to flip the tile to make the units cancel</em>

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3 years ago
By replacing hardware safety features with software controls in the therac-25 machine, aecl was able to?
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Therac-25, AECL was able to reduce costs by replacing hardware safety features with software controls.

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2 years ago
In the reaction Ca + Cl2 → CaCl2, what is the mole ratio of chlorine to calcium chloride?
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Answer:

D. 1:1

Explanation:

For every 1 mole of chlorine (Cl₂), there is one mole of calcium chloride (CaCl₂).

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6 0
3 years ago
Read 2 more answers
If you know any of them that helps!
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