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Finger [1]
3 years ago
14

Please give me a clear message on what to do. how do you change your brainly username?

Chemistry
2 answers:
emmainna [20.7K]3 years ago
5 0

Answer:

you can't change it mate I am so sorry

BTW can you help me in my latest questions it's not related to studies it's a problem I am having with my laptop that need to get cured as I have exam tomorrow

iren2701 [21]3 years ago
5 0

Answer:

Follow these steps to make a change:

1) Log in to your account.

2) Go into Profile Settings, select Edit Profile.

3) Go to Your Preferences and edit the First Name section.

4) Select Change to save.

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3 years ago
When burned, coal releases _____. oxygen carbon dioxide methane sulfur nitrogen oxide?
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3 years ago
Which one is the right answer?
mina [271]

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3 years ago
A substance has a volume of 20 mL and a density of 2.5 g/mL. What is its mass?
k0ka [10]

Answer:

<h2>mass = 50 g</h2>

Explanation:

Density of a substance can be found by using the formula

Density(\rho) =  \frac{mass}{volume}

From the question

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To find the mass substitute the values into the above formula and solve for the mass

That's

Making mass the subject we have

mass = Density × volume

mass = 2.5 × 20

We have the final answer as

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Hope this helps you

5 0
3 years ago
Read 2 more answers
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