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2 years ago

Explain what this graph says

Chemistry

1 answer:

anastassius [24]2 years ago

3 0

Answer:

Numbers of red line are on the right, numbers of blue line are on the left.

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Can you give examples of carbon in our nonliving environment?

KiRa [710]

Carbon is present in many natural minerals and rocks, such as diamond, graphite, limestone. Also carbon dioxide gas, carbon monoxide gas.

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2 years ago

2NH3 → N2 + 3H2 If 2.22 moles of ammonia (NH3) decomposes according to the reaction shown, how many moles of hydrogen (H2) are f

Rashid [163]

Answer:

Explanation:

According to the mole ratio, using 2NH3 will give you 3H2. Which means in order to find the moles of H2 you would only need to divide 2 and multiply 3 to get the amount of moles of H2 produced.

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3 years ago

What is the 3 largest planet

lorasvet [3.4K]

Uranus.

This is the answer.

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2 years ago

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The larger the molecules of a substance, the the London forces between them. A larger molecule has more electrons and a greater

aev [14]

Answer:

True

Explanation:

All the above statements buttress the fact that the larger molecule, the greater the magnitude of London forces between the molecules. Each of the statements above is a confirmation/explanation of this general rule.

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2 years ago

1. A 250g chunk of metal is heated with 400 joules of energy and the temperature goes from 20 °C to 25°C. What is its specific h

Paha777 [63]

The specific heat capacity of this chunk of metal is equal to 0.32 J/g°C.

<u>Given the following data:</u>

Mass of metal = 250g

Quantity of energy = 400 Joules

Initial temperature = 20°C

Final temperature = 20°C

To determine the specific heat capacity of this chunk of metal:

<h3>The formula for quantity of heat.</h3>

Mathematically, quantity of heat is given by the formula;

$Q = mc\theta$

<u>Where:</u>

Q represents the quantity of heat.

m represents the mass of an object.

c represents the specific heat capacity.

∅ represents the change in temperature.

Making c the subject of formula, we have:

$c = \frac{Q}{m\theta}$

Substituting the given parameters into the formula, we have;

$c = \frac{400}{250 \times (25-20)}\\\\c = \frac{400}{250 \times 5}\\\\c = \frac{400}{1250 }$

Specific heat, c = 0.32 J/g°C.

Read more on specific heat here: brainly.com/question/2834175

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2 years ago