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omeli [17]
2 years ago
13

Which substance is an ionic solid? A. LiCl B. HCl C. Ne D. Fe

Chemistry
1 answer:
andrew11 [14]2 years ago
7 0

Answer:

A. LiCl

Explanation:

Lithium chloride is an ionic compound but it also has some covalent character due to the very small size of lithium metal.

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An isopropyl solution contains 70 ml of isopropyl alcohol in 1.8 L of water. What is the percent by volume of the alcohol
xenn [34]

Answer:

3.74%

Explanation:

We express a solution's volume by volume percent concentration, % v/v,

Take the ratio of the isopropyl alcohol (IPA) volume to the total volume of the solution, which is 1800 mL of water+ 70 mL of IPA,

and multiply by 100 to get the percentage:   70/(1800+70) *100 = 0.0374*100 =  3.74%

5 0
3 years ago
Select the correct answer
amm1812

Answer:

  C  The experiment shows that the red substance experienced a chemical change.

Explanation:

Apparently, adding heat caused the red substance to decompose into a gas and a metallic liquid. If it were simply a phase change, the original red substance could be expected to return when the temperature cooled. Because the substance apparently decomposed, it is clearly not an element. At no point in the experiment is there any evidence of a plasma being formed.

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8 0
3 years ago
Why are metallic bonds in an alkali metal relatively weak?
alexandr1967 [171]

alkali metals contribute only a single valence Electron.
6 0
3 years ago
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A ship is sailing at a speed of 5 km/hr. What distance has it covered, 2 hours after it left the port?​
Fittoniya [83]

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10km

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3 years ago
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A cell biologist measures the volume of a bacteria cell. The volume is 6.027x10-10 L. What is the volume in picoliters? Write yo
Andre45 [30]

Answer:

Volume of bacteria cell into Pico liters = 60.27 Pico liters

Explanation:

Given:

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1 L = 10¹² Pico liters

So,

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Volume of bacteria cell = 6.027 x 10⁻¹⁰ x 10¹² Pico liters

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8 0
3 years ago
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