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3 years ago

What’s the purpose ?

Chemistry

1 answer:

ehidna [41]3 years ago

8 0

$\qquad\qquad\huge\underline{{\sf Answer}}$

Arrow head shows the direction of products formed in a reaction. so we can say that it denotes the direction of the chemical reaction. I.e From Reactant to Product.

so, the correct choice is B

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650.J is the same amount of energy as? 2720cal 1550cal 650.cal 2.72cal

Oksi-84 [34.3K]

Ans: 650 J = 155 calories

Given:

Energy in joules = 650 J

To determine:

The energy in calories

Explanation:

1 joule = 0.2388 calories

Therefore, 650 joules = 0.2388 calories * 650 J/1 J = 155 calories

4 0

4 years ago

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A proton is fired toward a lead nucleus from very far away. How much initial kinetic energy does the proton need to reach a turn

Olegator [25]

Answer:

The electric force is conservative.

Since

ΔK = −ΔU,

Kf − Ki =Ui −Uf.

We have,

Kf = 0

Ui = 0.

Thus Ki =Uf.

so ,at 10 fm Uf = (2×10)−12 J.

6 0

4 years ago

ASAP

Pie

Yes because the stigma rises above the gas I think that’s is it

6 0

3 years ago

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The haber process is typically carried out at a temperature of approximately 500∘c. What would happen to the rate of the forward

Dovator [93]

Answer:

The reaction rate would decrease

Explanation:

The equation for the Haber process is given by;

N₂(g) + 3H₂(g) ⇆ 2NH₃(g)

The reaction occurs at a temperature of 500°C
Therefore, the forward reaction requires a temperature of 500°C.
According to Le Chatelier's principle, if a factor affecting equilibrium is altered, the equilibrium will shift in the direction that counteracts the effect causing it.
In this case, decreasing the temperature to 100°C will lower the rate of the forward reaction.
Consequently, less ammonia gas will be produced as the reverse reaction is favored.

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4 years ago

Which of the following will most likely happen if the pancreas does not produce sufficient glucagon?

Zielflug [23.3K]

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3 years ago