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mart [117]
3 years ago
11

Match each lab incident to the item of PPE that will protect you from it. Each item of PPE will only be used once.

Chemistry
1 answer:
andre [41]3 years ago
5 0

Answer:

fefeff

Explanation:

wdwdwfefe

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NNADVOKAT [17]
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8 0
3 years ago
An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it
Lera25 [3.4K]

Answer:

In full volume it contain 0.12 moles.

Explanation:

Given data:

Total volume= Vt = 2.9 L

Decreased volume= Vd = 1.2 L

Number of moles of air present in decreased volume= n = 0.049 mol

Number of moles of air in total volume= n = ?

Solution:

Formula:

Vt/ Vd = n (in total volume) /n ( decreased volume)

2.9 L / 1.2 L = X / 0.049 mol

2.42 = X / 0.049 mol

X = 2.42 × 0.049

X = 0.12 mol

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3 years ago
A variable that is kept the same through the experiment to make the test fair
sveta [45]
It would be the controlled variable, which is a baseline to compare your other variables too.

Hope this helps!
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3 years ago
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Alex_Xolod [135]
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7 0
3 years ago
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Explain in writing how ionic bonds work using Sodium Chloride as an<br> example.
Alisiya [41]
The goal of an element is to obtain a noble gas configuration (obtaining a full valence shell). Therefore, certain elements will either gain or lose electrons in order to obtain this full valence shell. In the case of sodium chloride, it is easy for sodium (having one valence electron) to give up its one electron. Chlorine (having seven valence electrons) wants sodium’s electron because it completes its outer shell and chlorine obtains this noble gas configuration. Ionic bonds always involve a transfer of electrons.
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3 years ago
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