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3 years ago

What is the first thing you should do when any accident occurs during a science

Chemistry

2 answers:

STatiana [176]3 years ago

7 0

I never understand these questions so let’s just look at them logically

Leaving the room: Makes enough sense, in the event that the “accident” is lethal, you don’t really want to be there.

Calling the paramedics: I feel like this is an overreaction, the “accident” might not even be serious

Locate the first aid kit: Also in the same vein as paramedics, what are the chances that the accident causes harm

Call a teacher: They should know what to do, or at least, they’re the “adults”, so that’s probably your best bet

Lena [83]3 years ago

5 0

Answer:

Tell your teacher or learning coach.

Explanation:

It is always best to let an experienced teacher or coach know what has happened, so they may address it carefully and correctly.

Hope this helps : )

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What is the average speed of the car after 3 seconds

True [87]

Answer:

depends on the car lol

Explanation:

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3 years ago

A 5.00 L sample of air at 0 C is warmed to 100.0 C. What is the new volume of the air? First, identify V1.

Paladinen [302]

Answer : The new volume of the air is, 6.83 L

Explanation :

Charles' Law : It states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

where,

$V_1\text{ and }T_1$ are the initial volume and temperature of the gas.

$V_2\text{ and }T_2$ are the final volume and temperature of the gas.

We are given:

$V_1=5.00L\\T_1=0^oC=(0+273)K=273K\\V_2=?\\T_2=100^oC=(100+273)K=373K$

Putting values in above equation, we get:

$\frac{5.00L}{273K}=\frac{V_2}{373K}\\\\V_2=6.83L$

Therefore, the new volume of the air is, 6.83 L

6 0

3 years ago

A sample of (NH4)2SO4 contains 0.750 mole. what is the mass of the sample

steposvetlana [31]

The answer is 99.10.

5 0

2 years ago

A sample of gold has a mass of 15.7 g and displaces 0.81 cm3 of eater in a graduated cylinder. What is the density of gold?

Ostrovityanka [42]

Answer: 19.4 g/cm3

Explanation: density is the relationship between mass over volume.

So density of gold is 15.7g/0.81cm3 = 19.4 g/cm3

3 0

3 years ago

Why is the greenhouse effect important to life on earth

navik [9.2K]

Answer:

Because Greenhouse gases let the sun's light shine onto the Earth's surface, but they trap the heat that reflects back up into the atmosphere. And this way, they act like the glass walls of a greenhouse. This greenhouse effect also keeps the Earth warm enough to sustain life.

Explanation:

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3 years ago

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