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3 years ago

Given the balanced equation:

1 answer:

7 0

The answer is (2) A bond is formed and energy is released. The left side of equation is I atom and the right side of equation is I2 molecule. So the bond is formed between I atom to form I2 molecule. And forming bond will release energy while breaking bond will absorb energy.

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Select the correct answer.

rusak2 [61]

I think the answer to this A but I’m not rlly sure

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3 years ago

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A eraser has a mass of 4g and a volume of 2cm3 what is it’s density

sladkih [1.3K]

Answer:

<h3>The answer is 2.0 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass = 4 g

volume = 2 cm³

We have

$density = \frac{4}{2} \\$

We have the final answer as

Hope this helps you

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3 years ago

The ____ temperature of an object the lower its thermal energy

aniked [119]

The answer is lower. when there’s a lower temperature the molecules will be moving at a lower speed. a lower speed means less thermal energy.

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3 years ago

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Q: How many of the molecules shown contain only one covalent bond?

SVETLANKA909090 [29]

Answer:

cl2 - 1 bond

HCl.- 1 bond

N2 - 3 bond

o2 - 2 bond

Cl requires one electron to complete it's octave so it share it's one electron with other chlorine and make a single covalent bond
H has one electron and Cl requires one so both form one single bond
N requires 3 electrons so it form 3 bonds with other N
oxygen requires 2 electrons so it forms 2 bond with other oxygen

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2 years ago

What is the molar mass of CH2O2?

Flauer [41]

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3 years ago

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