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nexus9112 [7]
4 years ago
11

Physical property of water at room temp

Chemistry
1 answer:
Galina-37 [17]4 years ago
6 0
In nature, water exists in the liquid, solid, and gaseous states. It is in dynamic equilibrium between the liquid and gas states at 0 degrees Celsius and 1 atm of pressure. At room temperature (approximately 25 degrees Celsius), it is a tasteless, odorless, and colorless liquid.
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Something made of all one material
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element

Explanation:

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4 years ago
A gas has a volume of 5.00 L at 20 degrees Celsius. What is the volume of gas at 150 degrees Celsius.
WARRIOR [948]

Answer:

7.22 L

Explanation:

From the question,

Applying Charles law,

V₁/T₁ = V₂/T₂...................... Equation 1

Where V₁ = Initial volume of gas, V₂ = Final volume of gas, T₁ = Initial Temperature of gas in Kelvin, T₂ = Final Temperature of gas in Kelvin

Make V₂ the subject of the equation

V₂ = (V₁×T₂)/T₁................. Equation 2

Given: V₁ = 5.00 L, T₁ = 20 °C = (20+273) K = 293 K, T₂ = 150 °C = (150+273) K = 423 K

Substitute these value into equation 2

V₂ = (5.00×423)/293

V₂ = 7.22 L

5 0
3 years ago
Which element has two valence electrons?
Colt1911 [192]

Answer:

It is A) Calcium

Explanation:

Calcium has an electronic configuration of 2,8,8,2

6 0
3 years ago
Read 2 more answers
How many moles are there in 2.00 x 10' molecules of CCI?
Finger [1]

Answer:

3,32e-14 moles

Explanation:

We use the number of Avogadro:

6,02e23 molecules-------1 mol

2e10molecules------------X =2e10/6,02e23= 3,32x-14 moles

4 0
3 years ago
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