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stepan [7]
3 years ago
14

Can the element calcium be found in more than one state of matter?

Chemistry
1 answer:
horrorfan [7]3 years ago
8 0

Answer:

No

Explanation:

The element calcium be found in more than one state of matter ( Only in Solid state )

#HopeItHelps

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Alexxx [7]

Answer:

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Explanation:

8 0
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.

The molarity is 0.50mol/dm³.

4 0
2 years ago
Suppose that you measured out 3.50g of Na2SO4. how many moles would you have? (show work)​
Ket [755]

Answer:

Na2SO4 is equal to 0.0070401642780093 mole.

Explanation:

5 0
3 years ago
Completely reacting 150.0 g of a substance with oxygen releases 395.1 J of energy. How much energy would be released if 450.0 g
MrMuchimi
To solve this problem we just need to use the rule of three:
150g..................395.1J
450g................xJ

x = 450*395.1/150 = 1185,3J

450.0 g of the substance completely reacted with oxygen will produce 1.1853 kJ(<span>kiloJoule</span>)
4 0
3 years ago
Read 2 more answers
HELP HELP URGENT<br> STRONG ACIDS AND BASES
leonid [27]

Answer:

Solution A is correct.

Explanation:

Strong acids or bases are assumed to dissociate completely when in a aqueous solution.

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3 years ago
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