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ELEN [110]
3 years ago
7

If a computer adds together a list of numbers, what term identifies these numbers?

Chemistry
1 answer:
yawa3891 [41]3 years ago
6 0
If a computer adds together a list of numbers, the term that identifies these numbers is data.
Data is any type of information, especially information created using the computer or any other type of electronic device.
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Sodium hydroxide reacts with aluminum and water to produce hydrogen gas:2 Al(s) + 2 NaOH(aq) + 6 H2O(l) → 2 NaAl(OH)4(aq) + 3 H2
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Answer: 0.147 grams

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} Al=\frac{1.33g}{27g/mol}=0.049moles

\text{Moles of} NaOH=\frac{4.25g}{40g/mol}=0.106moles

2Al(s)+2NaOH(aq)+6H_2O(l)\rightarrow Na(Al(OH)_4(aq)+3H_2(g)

According to stoichiometry :

2 moles of Al require = 2 moles of NaOH/tex]Thus 0.049 moles of [tex]Al will require=\frac{2}{2}\times 0.049=0.049moles  of NaOH

Thus Al is the limiting reagent as it limits the formation of product and NaOH is the excess reagent.

As 2 moles of Al give = 3 moles of H_2

Thus 0.049 moles of Al give =\frac{3}{2}\times 0.049=0.0735moles  of H_2

Mass of H_2=moles\times {\text {Molar mass}}=0.0735moles\times 2g/mol=0.147g

Thus 0.147 g of H_2 will be produced from the given masses of both reactants.

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3 years ago
How many moles of each element are in 1 mole of ammonium nitrate?
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Explanation:

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Explanation:

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Under certain conditions,the solid and liquid states of water can exist in equilibrium. How are these conditions indicated on th
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