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DaniilM [7]
3 years ago
11

Does stirring a liquid make it cool down faster?

Chemistry
2 answers:
hjlf3 years ago
6 0

Answer: No not really, all your doing is moving it around

Explanation:

I tested it

Talja [164]3 years ago
3 0

Answer:

Stirring will help cool a hot drink because it speeds up the process of convection by bringing the hottest liquid at the bottom to the top

Explanation:

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Effectus [21]

What do you want for the answer the balance equation?

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What conclusion can be draw about the heat of fusion of water from the heating curve? A) The potential energy of fusion represen
zysi [14]
The answer would be c.

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If the pressure inside the cylinder increases to 1.3 atm, what is the final
EleoNora [17]

Answer:

1.4 × 10² mL

Explanation:

There is some info missing. I looked at the question online.

<em>The air in a cylinder with a piston has a volume of 215 mL and a pressure of 625 mmHg. If the pressure inside the cylinder increases to 1.3 atm, what is the final volume, in milliliters, of the cylinder?</em>

Step 1: Given data

  • Initial volume (V₁): 215 mL
  • Initial pressure (P₁): 625 mmHg
  • Final volume (V₂): ?
  • Final pressure (P₂): 1.3 atm

Step 2: Convert 625 mmHg to atm

We will use the conversion factor 1 atm = 760 mmHg.

625 mmHg × 1 atm/760 mmHg = 0.822 atm

Step 3: Calculate the final volume of the air

Assuming constant temperature and ideal behavior, we can calculate the final volume of the air using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁ / P₂

V₂ = 0.822 atm × 215 mL / 1.3 atm = 1.4 × 10² mL

5 0
3 years ago
Help please?
Nadusha1986 [10]
If I am correct only 1
7 0
3 years ago
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Calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5×10−8 at 25 ∘c. express your answer numerical
Viktor [21]

Answer:

4.23.

Explanation:

<em>∵ pH = - log[H⁺].</em>

<em>For weak acids:</em>

∵ [H⁺] = √(ka)(c).

∴ [H⁺] = √(3.5 × 10⁻⁸)(0.10 M) = 5.92 x 10⁻⁵.

∴ pH = - log[H⁺] = - log(5.92 x 10⁻⁵) = 4.2279 ≅ 4.23.

3 0
3 years ago
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