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anastassius [24]
2 years ago
5

3. With which temperature scale is temperature directly proportional to average kinetic energy?

Chemistry
1 answer:
padilas [110]2 years ago
6 0

Answer:

Kelvin  absolute zero

gases and liquids only

Explanation:

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calculate the mass required to prepare 2.5 L of 1.0 M NaOH solution. Given that the molar mass for NaOH is 40 g/mol.
Helen [10]

Answer:

The required mass to prepare 2.5 L of 1.0 M NaOH solution is 100 g

Explanation:

We do this by preparing the equation:

Mass = concentration (mol/L) x volume (L) x Molar mass

Mass = 1.0 M x 2.5 L x 40 g/mol

Mass = 100 g

3 0
2 years ago
Read 2 more answers
The organic compound di‑n‑butyl phthalate, C 16 H 22 O 4 ( l ) , C16H22O4(l), is sometimes used as a low‑density ( 1.046 g ⋅ mL
damaskus [11]

Answer:

36.63 Torr

Explanation:

You need to use two expressions, one for pressure and the other with the relation of density and height of the column.

For the pressure:

P = h * d * g  (1)

h is height.

d density

g gravity

The second expression put a relation between the densities and height of the column so:

d1/d2 = h1/h2 (2)

let 1 be the phthalate, and 2 the mercury.

Let's calculate first the relation of density:

d1/d2 = 13.53 / 1.046 = 12.93

Now with the first expression, we can calculate the pressure so:

P = hdg

We have two compounds so,

h1d1g = h2d2g ---> gravity cancels out

From here, we can solve for h2:

h2 = h1*(d1/d2)

replacing:

h2 = 459 / 12.53

h2 = 36.63 mm

1 mmHg is 1 torr, therefore the pressure of the gas in Torr would be 36.63 Torr

8 0
2 years ago
Why a finely powdered sample should be used in a melting point measurement?
lapo4ka [179]

because it a essential for good heat transfer

6 0
2 years ago
What differences do you notice when you heat up the brick and the iron at same temperature?
Tpy6a [65]

After heating the brick and the iron, it is observed that the brick heats up quicker and the brick releases energy quicker.

<h3>What is thermal energy?</h3>

Thermal energy (also called heat energy) is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other.

The iron has more energy than the brick even though it is at the same temperature. That means that the iron must have more particles than the brick.

Iron and brick are both solids and have the same volume, so the difference in total energy must be due to atomic composition.

Learn more about thermal energy here:

brainly.com/question/14506133

#SPJ1

5 0
2 years ago
What is a REAL LIFE example of passive transport? Please answer asap!
inn [45]
Well, am not sure but..

teleportation ,  or dream journey  or mind waves transportation 


4 0
3 years ago
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