3 years ago

Which of these is an example of an abiotic factor?

Chemistry

1 answer:

dolphi86 [110]3 years ago

8 0

What are the choices? I'll answer once you tell me those

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The balanced reaction between aqueous nitric acid and aqueous strontium hydroxide is ________.

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3 years ago

What type of reaction is Pb(NO3)2 (aq) + 2KI (aq) →PbI2 + 2KNO3 (aq)

kifflom [539]

Answer:

Precipitation Reactions

They contain two aqueous reactants, one aqueous product, and one solid product. In this reaction, two soluble products, Pb(NO3)2 and KI, combine to form one soluble product, KNO3, and one insoluble product, PbI2. This is a precipitation reaction, and PbI2 is the precipitate.

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3 years ago

How many moles of oxygen will occupy a volume of 2.50 liters?

loris [4]

Data:
n (number of mols) = ?
V (volume) = 2.50 Liters
If:
1 L → 1000 g
2.50 L → y

y = 1000*2.50 = 2500 g

Therefore:
m (mass) = 2500 g

Now:
Molar Mass (MM) of oxygen = 16 g/mol

Formula:
$n = \frac{m}{MM}$

Solving:
$n = \frac{m}{MM}$
$n = \frac{2500\:\diagup\!\!\!\!\!g}{16\:\diagup\!\!\!\!\!g/mol}$
$\boxed{\boxed{n = 156.25\:mols}}\end{array}}\qquad\quad\checkmark$

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4AI+30 2 > 2AI2O3 What id the chemical reaction?

vesna_86 [32]

This is a combination reaction. Look at the 2 elements on left and a compound on the right.

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In a climatological sense, dryness is a function of both annual rainfall and ________.

Margarita [4]

Answer:

In a climatological sense, dryness is a function of both annual rainfall and evaporation

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2 years ago