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Murljashka [212]
3 years ago
14

Explain how chemical spills on a person are handled when they are spilled :

Chemistry
1 answer:
Serjik [45]3 years ago
4 0
A). Remove contaminated clothing, shoes, jewelry and your laboratory coat. Ask someone in the laboratory to assist you.
Immediately flush the area with copious amounts of water for at least 15 minutes. If your eyes do not require flushing, attempt to protect the eyes from cross contamination.
Seek medical attention after washing the affected area for 15 minutes and call 911 or go to the nearest emergency care facility.
B). Don't rub the eye — this may cause further damage.
Don't put anything except water or contact lens saline rinse in the eye. And don't use eyedrops unless emergency personnel tell you to do so. Flush your eye with water. Use clean, lukewarm tap water for at least 20 minutes.
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CALCULATE: Determine the volume occupied by 0.582 mol of a gas at 15 degrees Celsius if the pressure is 81.8 KPA?
7nadin3 [17]
PV=nRT

So

NRT/P=V ...
SI units for pressure is pascals so 81.8KPA = 81.8 x 10^3 PA
SI units for temperature is kelvin so 15 degrees celsius = 15 +273 = 288K


(0.582 x 8.314 x 288)/81.8 x 10^3 = 0.017 m3 (cubic meters)
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For the cells in a human body, an isotonic solution is 0.9% NaCl. If a red blood cell is placed in a 1% NaCl solution, what will
igomit [66]

Answer: The red blood cell will shrink due to water loss

Explanation:

Because 1% NaCl solution is slightly more concentrated than its isotonic 0.9% form, the red blood cell will lose its cell containing fluids such as water to the MORE concentrated environment.

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3 years ago
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Juliette [100K]

when sodium metal is dropped in water, hydrogen gas in liberated due to extreme heat released as the reaction is exothermic, gas catches fire.

3 0
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Pls i need help with this
gregori [183]

Answer:

C

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A physical change is one in which no new substance is formed. The moistening of food by saliva is purely a physical change because no new substance is formed in the process.

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