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Sladkaya [172]
3 years ago
14

Hello WRITE CAUSES AND CONSEQUENCE OF ANY 2 NATURAL CALAMITIES.

Chemistry
1 answer:
-Dominant- [34]3 years ago
7 0

Answer:

1) eathquake

earthquake is the natural calamities where there is the vertical and horizontal shaking of the

earth crust. it is cause due to overlappibg of the different plates that are present in the earth surface. when this plates intersect or expand the earth occurs

consequences are it causes loss of life and human property , degards the environment , it leads to flood, landslides etc The damage caused by earthquakes is from ground shaking, ground rupture, landslides, tsunamis, and liquefaction.

Next - volcanic eruption

its is the out flow of the larva from the inner of the earth to other surface. it is cayse due to high pressure exerted on the surface of the earth that leads to explode the inner larva.

its consequences are it degards the environment and loss of the beauty of the nature , there is loss of human life , widlife , etc. volcanic eruption include infectious disease, respiratory illness, burns, injuries from falls, and vehicle accidents related to the slippery, hazy conditions caused by ash. When warnings are heeded, the chances of adverse health effects from a volcanic eruption are very low.

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What is Keg for the reaction N2 + 3H2 = 2NH2 if the equilibrium
AlladinOne [14]

<u>Answer:</u> The equilibrium constant for the given reaction is 1.33

<u>Explanation:</u>

We are given:

Equilibrium concentration of ammonia = 2 M

Equilibrium concentration of nitrogen gas = 3 M

Equilibrium concentration of hydrogen gas = 1 M

For the given chemical equation:

N_2+3H_2\rightleftharpoons 2NH_3

The expression of K_{eq} for above equation follows:

K_{eq}=\frac{[NH_3]^2}{[N_2][H_3]^3}

Putting values in above equation, we get:

K_{eq}=\frac{(2)^2}{3\times (1)^3}\\\\K_{eq}=1.33

Hence, the equilibrium constant for the given reaction is 1.33

4 0
3 years ago
1) Os-182 has a half-life of 21.5 hours. How many grams of a 10 g sample would have decayed after
Monica [59]

Answer:

1.25 g

Explanation:

.5^3 = 0.125

0.125*10 = 1.25 g

8 0
3 years ago
What is atom?Use your response to answer the question.
leva [86]
An atop is everything that flows around you
7 0
3 years ago
Read 2 more answers
How much heat is lost or gained by the calorimeter
Maslowich

Answer:

1.113 kJ or 1,113 J.

Explanation:

I hope this helps :)

5 0
3 years ago
What mass of iron is formed when 10 grams of carbon react with 80 grams of iron iii oxide?
yKpoI14uk [10]

Answer:

55.85 grams of Fe is formed.

Explanation:

Identify the reaction:

2Fe₂O₃  +  3C  →  4Fe  +  3CO₂

Identify the limiting reactant, previously determine the mol of each reactant

(mass / molar mass)

10 g / 12 g/m = 0.83 moles C

80 g / 159.7 g /m = 0.500 moles Fe₂O₃

2 moles of oxide need 3 moles of C, to react

0.5 moles of oxide, will need ( 0.5  . 3)/ 2 = 0.751 mol

I have 0.83 moles of C, so C is the excess.

The limiting is the oxide.

3 mol of C need 2 mol of oxide to react

0.83 mol of C, will need (0.83  . 2)/ 3 = 0.553 mol of oxide, and I only have 0.5 (That's why Fe₂O₃ is the limiting)

Ratio is 2:4 (double)

If I have 0.5 moles of oxide, I will produce the double, in the reaction.

1 mol of Fe, will be produce so its mass is 55.85 g

5 0
3 years ago
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