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erastova [34]
3 years ago
15

HELP ME PLEASE!!!!!!

Chemistry
2 answers:
masya89 [10]3 years ago
7 0

Answer:

Jodi should wear her hair up to avoid a mishap, such as lighting her hair on fire. Then, instead of using a fire extinguisher on Jodi, Kimberly should use a fire blanket to prevent additional damage. Mac is preoccupied with a second flame and maybe Jodi without her safety goggles?

Rina8888 [55]3 years ago
4 0

One of the lab safety rules being violated is that Jodi doesn't have her hair tied up. She should have her hair tied up. Having her long hair not tied up or away from her face is a safety hazard. Jodi is also not wearing glasses, which is essential when working with chemicals. One of the Bunsen Burners aren't being used but it's on, which is a fire hazard.

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12.Chlorine has 18 electrons. It is a(n)<br><br><br><br>cation<br><br>anion<br><br>atom<br><br><br>​
emmasim [6.3K]

Answer:

chlorine is therefore an anion

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3 years ago
What is the majority of 0.50 g of na dissolved in a 1.5 L solution
Oxana [17]

The correct answer is 0.014467 M.  

Molarity is defined as the number of moles present in a liter solution, that is, number of moles / liter solution.  

The molar mass of sodium (Na) is 23.0 g/mol

Thus, 1 mole of Na contains 23.0 g

Now, x moles of Na contains 0.50 g

Moles = 0.50 × 1 / 23.0

Moles = 0.50 / 23.0  

= 0.0217 moles of Na

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= 0.0217 / 1.5

= 0.014467 M


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4 years ago
How many neutrons are in the element sulfur-34
igomit [66]

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8 neutrons

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