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4 years ago

Explain how the climate in a specific region differs during El Niño and La Niña

1 answer:

5 0

El Nino refers to the phenomenon where the East Pacific Ocean is anomalously warm. This condition produces wet weather to the western countries of south America. Under normal conditions these areas are dry. El Nino also decreases rainfall and hurricane activity in the Atlantic and Caribbean region. Severe droughts will persist when this occurs. La Nina occurs when the temperature of the pacific is cooler than normal. When is occurs The Caribben and Atlantic experiences higher than normal rainfall and the South american coast is drier.

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The reaction between NO2 and co to produce no and CO2 is thought to occur in two steps:

MAXImum [283]

Answer:

Correct option is

Explanation:

The number of molecules of CO involves in the slowest step will be 0 because CO is not involve in the slowest step i.e. rate determing step.

3 0

3 years ago

What is the number of electrons in oxygen

Semmy [17]

Answer for your question is;

2,6 = 8
The first shell is 2 electrons the other shell is 6 electrons

6 0

2 years ago

Read 2 more answers

The experimental apparatus represented above is used to demonstrate the rates at which gases diffuse. When the cotton balls are

cestrela7 [59]

The correct answer is —-C

5 0

3 years ago

What amount of carbon dioxide (in moles) is produced from the reaction of 2.24 moles of ethanol with excess oxygen?

algol13

Answer : The amount of carbon dioxide produced is, 197.12 grams.

Explanation : Given,

Moles of ethanol = 2.24 mole

Molar mass of carbon dioxide = 44 g/mole

The balanced chemical reaction will be,

$C_2H_5OH+3O_2\rightarrow 2CO_2+3H_2O$

First we have to calculate the moles carbon dioxide.

From the balanced chemical reaction, we conclude that

As, 1 mole of ethanol react to give 2 moles of carbon dioxide

So, 2.24 mole of ethanol react to give $2\times 2.24=4.48$ moles of carbon dioxide

Now we have to calculate the mass of carbon dioxide.

$\text{Mass of }CO_2=\text{Moles of }CO_2\times \text{Molar mass of }CO_2$

$\text{Mass of }CO_2=4.48mole\times 44g/mole=197.12g$

Therefore, the amount of carbon dioxide produced is 197.12 grams.

8 0

3 years ago

Why are units used that are to express the densities of gases different from those used to express the densities of solids or li

aksik [14]

If the units for gases were the same as the units for numbers would be too small to be convenient.

For example, the density of iron is 7.87 g/cm³.

Using the same units, the density of hydrogen is 0.000 0899 g/cm³.

It is much more convenient to express the density in numbers that are easier to visualize: 0.0899 g/L, and that is still a small number.

3 0

4 years ago