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3 years ago

9

Explain the action of steam on a metal

1 answer:

Kipish [7]3 years ago

6 0

Answer:

Metals which react with steam form the solid metal oxide and hydrogen gas. In general, the more reactive the metal, the more rapid the reaction. ... Its surface forms a protective layer of aluminium oxide that keeps water away from the metal below.Aug 23, 2020

Explanation:

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topjm [15]

Answer:

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3 years ago

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JulijaS [17]

Answer:

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time = 1 second

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2 years ago

Suppose you need to prepare 141.9 mL of a 0.223 M aqueous solution of NaCl. What mass of NaCl do you need to use to make the sol

Afina-wow [57]

Answer:

1.811 g

Explanation:

The computation of the mass need to use to make the solution is shown below:

We know that molarity is

$Molarity = \frac{Number\ of\ moles}{Volume\ in\ L}$

So,

$Number\ of\ moles = Molarity\ \times Volume\ in\ L$

$= 0.223\times 0.141$

= 0.031 moles

Now

$Mass = moles \times Molecualr\ weight$

where,

The Molecular weight of NaCl is 58.44 g/mole

And, the moles are 0.031 moles

So, the mass of NaCL is

$= 0.031 \times 58.44$

= 1.811 g

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2 years ago

Given the following equation, how many moles of Fe2O3 can be produced from 6.4 moles O2?

scoundrel [369]

Answer:

4.3 moles of Fe2O3

Explanation:

The calculations are shown in the picture.

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3 years ago

Which product formed when MgO and H2O react together?

seropon [69]

When MgO and H2O react they form Magnesium Hydroxide Mg(OH)2

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