<span>La Nina a cooling of water in the Pacific that happens at irregular intervals and is associated with widespread changes in weather patterns complementary to those of El Niño, the heating of water. It is at the least less extensive and damaging in their effects.</span>

6 0

3 years ago

Iron reacts with oxygen gas to produce iron (III) oxide. If there are 52 grams of

IRISSAK [1]

Mass of Fe₂O₃ : 74.26 g

Volume of O₂ at STP = 15.624 L

<h3>Further explanation</h3>

Reaction

4Fe (s) + 3O₂ (g) ==> 2Fe₂O₃ (s)

mol Fe :

Ar Fe = 56 g/mol

$\tt \dfrac{52}{56}=0.93$

mol Fe₂O₃ :

$\tt \dfrac{2}{4}\times 0.93=0.465$

mass Fe₂O₃ :

MW Fe₂O₃ : 159,69 g/mol

$\tt 0.465\times 159,69=74.26~g$

mol O₂ :

$\tt \dfrac{3}{4}\times 0.93=0.6975$

volume O₂ at STP(1 mol=22.4 L)

$\tt 0.6975\times 22.4=15.624~L$

7 0

3 years ago

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B

Julli [10]

Answer:

Full answer in explanation

Explanation:

High Tide - when tides are at their highest elevation
Low Tide - when tides are at their lowest elevation
Spring Tide - when tides experience the greatest range between high and low; occur at New and Full Moons
Neap Tide - when tides experience the least range between high and low; occur at 1st and 3rd Quarter Moons
Gravitational Pull - the invisible force that exists between all objects that have mass. The greater the mass, the greater the effect of the force
Tide - the daily change in ocean levels due to the gravitational force of the moon and the sun exerted on Earth

Hope this helps!

3 0

3 years ago

Write the word equation for this please

inna [77]

Answer:

1 mole of dinitrogen combined with 3 moles of diiodine yields 2 moles of nitrogen triiodide

Explanation:

5 0

3 years ago