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zhenek [66]
3 years ago
11

Which of the following apply to the property of hardness. Select all that apply.

Chemistry
2 answers:
Roman55 [17]3 years ago
7 0

The correct statements are:

Hardness is a physical property.

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.

k0ka [10]3 years ago
3 0
I’m figuring this one out right now
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In the word, thermohaline, thermo means _________ and haline means_____________
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Thermo means heat/related to heat and haline means salty/of salt

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Hi guys, my question is:
guapka [62]

Answer:

See Explanation Below

Explanation:

A) The rate law can only be on the reactant side and you can only determine it after you get the net ionic equation because of spectators cancelling out. So in this case the rate law is k=[CH3Br]^1 [OH-]^1. The powers are there because the rxn is first order.  

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2 years ago
Where two continental plates collide,
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6 0
3 years ago
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elixir [45]
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4 0
3 years ago
If 3.3167 moles of Al are produced, how many moles of<br> AlCl3 were reacted?<br> I
tresset_1 [31]

Answer:

3.3167 moles Of AlCl3

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

3Ca + 2AlCl3 —> 3CaCl2 + 2Al

From the balanced equation above,

2 moles of AlCl3 reacted to produce 2 moles of Al.

Finally, we shall obtained the number of moles of AlCl3 that reacted to produce 3.3167 moles of Al as follow:

From the balanced equation above,

2 moles of AlCl3 reacted to produce 2 moles of Al.

Therefore, 3.3167 moles Of AlCl3 will also react to produce 3.3167 moles of Al.

Thus, 3.3167 moles Of AlCl3 is needed for the reaction.

8 0
3 years ago
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