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blsea [12.9K]
4 years ago
8

When you convert to you remove the placeholder zeros

Chemistry
1 answer:
Stella [2.4K]4 years ago
8 0
Scientific notations
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3 years ago
250J of heat was added to a 2 g block of metal. The temperature of the metal was increased by 139.4K. What is the specific heat
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Pick out the metals which can react with magnesium sulphate solution. Justify the answer.
KATRIN_1 [288]

Answer: aluminium, mercury , platinum and copper.

Explanation:

A single replacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution. Thus one element should be different from another element.

A general single displacement reaction can be represented as :

XY+Z\rightarrow XZ+Y

Thus the metals which are more reactive than magnesium will react with magnesium sulphate solution.

The metals which are more reactive than magnesium are aluminium, mercury , platinum and copper.

4 0
3 years ago
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7 0
3 years ago
How do I convert 0.43 atm to mmhg? (Question 2)
Dafna1 [17]
<h2>Greetings!</h2>

Because 1 atm is equal to 760mm Hg, you can use the following equation to find the correct atm measurement:

atm x 760

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<h2>Hope this helps!</h2>
4 0
4 years ago
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