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Katarina [22]
3 years ago
15

Please Help Why is laboratory safety important? Describe a scenario illustrating your reason(s).

Chemistry
1 answer:
Virty [35]3 years ago
3 0
So that you can learn while being safe. Wearing goggles, for eye protection when dealing with chemicals
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Using the same sample of gas (P1 = 565 torr , T1 = 27 ∘C ), we wish to change the pressure to 5650 torr with no accompanying cha
Stels [109]

Answer:

2726.85 °C

Explanation:

Given data:

Initial pressure = 565 torr

Initial temperature = 27°C

Final temperature = ?

Final pressure = 5650 torr

Solution:

Initial temperature = 27°C (27+273 = 300 K)

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

P₁/T₁ = P₂/T₂

Now we will put the values in formula:

T₂  = P₂T₁ /P₁

T₂  = 5650 torr × 300 K / 565 torr

T₂  = 1695000 torr. K /565 torr

T₂ = 3000 K

Kelvin to degree Celsius:

3000 K - 273.15 = 2726.85 °C

4 0
2 years ago
What are the benefits of hydro energy ?
zepelin [54]

Answer:

Its powered by water

Explanation:

Its clean fuel source, meaning that it wont polute the air

7 0
3 years ago
What’s the difference between heterogeneous and homogeneous mixtures?
Ronch [10]

Answer:

Mixtures can be either homogeneous or heterogeneous. A mixture in which its constituents are distributed uniformly is called homogeneous mixture, such as salt in water. A mixture in which its constituents are not distributed uniformly is called heterogeneous mixture, such as sand in water.

5 0
3 years ago
Kia is doing an experiment in science lab. She is given a beaker containing 100 g of liquid. The beaker has markings on the side
Semmy [17]
Kia's remaining water has a mass of 50g. You can set it up as a proportion knowing that 100ml of water has a mass of 100g and thus 50ml of water would weight 50g
7 0
3 years ago
Read 2 more answers
Question 5 Multiple Choice Worth 4 points)
777dan777 [17]

Answer:

This cannot be determined without knowing the actual mass of the objects.

Explanation:

its like trying to compare the letter A and letter B

3 0
3 years ago
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