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jekas [21]
3 years ago
7

When working in the lab testing different ph levels of acids and bases what safety rule must you always follow?

Chemistry
2 answers:
NeTakaya3 years ago
8 0
Things such as gloves, a labcoat, and often goggles are an absolute necessary. In addition, if you get hurt you're supposed to put the other on yourself to neutralize it. Example, if acid gets on your skin, pour a base over that to neutralize the acid, and vice versa.
Gala2k [10]3 years ago
6 0

Answer:

Nitrile gloves, security goggles (the most important one), lab coat and lab mask.

Explanation:

Hello,

The stuffs listed on the answer box are always mandatory to be used since both acids and bases are corrosive at low and high levels of pH respectively so they can harm your skin. Security goggles are ALWAYS needed as long as there are corrosive vapors that usually give off and subsequently irritate the eyes and in some circumstances (specially when we don't work carefully) some drops could splash to our eyes, causing total or partial blindness. Lab coat is mandatory due to the aforesaid reason for us to use security googles but in this case because our clothes or skin could be flecked with the drops. Lab mask is necessary as there are corrosive vapors given off by volatile (fuming) acids that could irritate our throat. In addition, fume hoods are often necessary when highly toxic and volatile acids are used to prepare diluted solutions.

Best regards.

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Question 5 (1 point)
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Answer:

P=12.16 atm

Explanation:

Using the formula of ideal gas law:

PV = nRT

P= nRT/V

 n= number of moles

 R= Avogadro constant = 0.0821

 T= Temperature in K => ºC + 273.15 K

P= (1.50 moles)(0.0821)( 296.15 K)/ 3.00L

P= 12.15

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3 years ago
On Earth, the mass of one of the lunar landing modules used to explore the moon was measured to be about 4,200 kg. The accelerat
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4 years ago
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A species with a charge of -1 contains 57 electrons and 80 neutrons. What is the identity of the species. Note: The species show
Inga [223]

In a neutral atom, the number of protons is equal to the number of electrons.

Given that the charge on the ion of the element is -1. This means that there is one electron more than the number of protons in the element.

The atomic number = Number of protons = 57 -1 = 56

Element with atomic number 56 is Barium.

Mass number of the element = Number of protons + Number of neutrons

                                                = 56 + 80 = 136

So the identity of the species: ^{136}Ba^{-}

3 0
3 years ago
Does xenon react with nitrogen and explain why
KiRa [710]
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3 years ago
Write an equation for the neutralization of lemon juice with baking soda. Your equation should show a proton transfer to form ca
Jobisdone [24]

The equation of the neutralization reaction is:

HOC(CO₂H)(CH₂CO₂H)₂ + Na₂CO₃ ----> HOC(CO₂Na)(CH₂CO₂Na)₂ + H₂O

<h3>What is the acid in lemon juice?</h3>

The main acid in lemon juice is citric acid.

Citric acid is a tricarboxylic acid and will react with baking soda to form a salt and water.

The equation of the neutralization reaction is shown below:

HOC(CO₂H)(CH₂CO₂H)₂ + Na₂CO₃ ----> HOC(CO₂Na)(CH₂CO₂Na)₂ + H₂O

In conclusion, the neutralization of citric acid in lemon juice produces a salt and water.

Learn more about neutralization reaction at: brainly.com/question/15042730
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