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3 years ago

A molecule of butane and a molecule of 2-butene both have the same total number of

1 answer:

8 0

The correct answer is option 1. Butane and 2-butene have the same total number of carbon atoms. They both have four carbon atoms. They differ in there structure since the latter has double bonds on it. As a result of the different structure, they also have different properties.

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What do a mole of magnesium (Mg) and a mole of iron (Fe) have in common? their number of atoms their number of molecules their n

-Dominant- [34]

It has the same number of atoms

3 0

3 years ago

Is the number of atoms in a substance dependent on the type of substance present?

lesya692 [45]

No it depends on the molecules strength

3 0

3 years ago

In which of the following reactions does a decrease in the volume of the reaction vessel at constant

Black_prince [1.1K]

Answer:

The correct option is: A) 2H₂(g) + O₂(g) → 2H₂O(g)

Explanation:

According to the Le Chatelier's principle, change in the volume of the reaction system causes equilibrium to shift in the direction that reduces the effect of the volume change.

When the volume decreases then the pressure of the reaction vessel increases, then the equilibrium shifts towards the reaction side that produces less number of moles of gas.

A) 2H₂(g) + O₂(g) → 2H₂O(g)

The number of moles of reactant is 3 and number of moles of product is 2.

Therefore, when volume decreases, the equilibrium shifts towards the product side, thereby favoring the formation of products.

B) NO₂(g) + CO(g) → NO(g) + CO₂(g)

The number of moles of reactant and product both is 2.

Therefore, when the volume decreases, the equilibrium does not shift in any direction.

C) H₂(g) + I₂(g) → 2HI(g)

The number of moles of reactant and product both is 2.

Therefore, when the volume decreases, the equilibrium does not shift in any direction.

D) 2O₃(g) → 3O₂(g)

The number of moles of reactant is 2 and number of moles of product is 3.

Therefore, when volume decreases, the equilibrium shifts towards the reactant side, thereby favoring the formation of reactants.

E) MgCO₃(s) → MgO(s) + CO₂(g)

The number of moles of reactant is 1 and number of moles of product is 2.

Therefore, when volume decreases, the equilibrium shifts towards the reactant side, thereby favoring the formation of reactants.

6 0

3 years ago

Does this graph represent an endothermic or exothermic chemical reaction? Explain your reasoning.

Natali [406]

Answer:

it is an exothermic reaction

Explanation:

exothermic reactions have a negative ∆H

i.e, product of the reaction is less that the reactants of the reaction

(Note : ∆H= products - reactants), that's why it's exothermic

5 0

2 years ago

WHO EVER HELPS ME WITH THIS GETS BRAINLIST NO JOKE

galben [10]

Answer

for number 1 RAIN. Rain is drops of water from clouds. Heavy/ constant/ steady/pouring rain or Downpour is a lot of rain in a short...

SNOW. Snow means atmospheric water vapor frozen into ice crystals and falling in light white flakes or lying on the...

SUN. Blazing means very bright and hot. ... Bright means full of light.

number 2 WEATHER MAPS indicate atmospheric conditions above a large portion of the Earth’s surface. Meteorologists use weather maps to forecast the weather. A HYGROMETER measures the water vapor content of air or humidity. A WEATHER BALLOON measures weather conditions higher up in the atmosphere.

number 3 A climate is an average weather in a given area over a period of time. The weather, on the other hand, can change drastically in a matter of hours. Changing the world takes thousands of years. It is, however, complex and has been growing at an alarming rate in recent years.

Weather refers to how the environment behaves, mostly in terms of its impacts on life and human habits. Temperature, humidity, precipitation, brightness, cloudiness, visibility, wind, and atmospheric pressure all are factors that influence the weather on a daily basis.

4 0

2 years ago