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Vedmedyk [2.9K]
4 years ago
6

Which metal reacts quickly with cold water only when it is finely powdered?

Chemistry
2 answers:
scoundrel [369]4 years ago
7 0
Most likely it is magnesium
Andre45 [30]4 years ago
3 0
Magnesium is the metal that reacts quickly with water only when it is finely powdered.

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Answer:

SeF4 is a polar molecule

Explanation:

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The electronegative atoms of flourine in SeF4 are not evenly distributed and kind pairs of electrons are on the central atom.

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3 years ago
What is the molality of a solution of 10 g NaOH in 500 g water?<br>Molar mass NaOH = 40 g​
umka2103 [35]

Explanation:

Moles of NaOH = 10g / (40g/mol) = 0.25mol.

0.25mol / 500g = 0.50mol / 1000g = 0.50mol/dm³.

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4 0
3 years ago
If 50.0 g of water saturated with potassium chloride at 80.0°C is slowly evaporator to dryness, how many grams of the dry salt w
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Answer:

25.0 g.

Explanation:

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Angelina_Jolie [31]
I’m gonna guess equal force sorry if I get it wrong <3
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The answer is D) all of the above

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