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Dimas [21]
3 years ago
11

In what areas of the periodic table do you find the most highly reactive elements?

Chemistry
1 answer:
Minchanka [31]3 years ago
5 0

Answer:

The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive.

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True or false? osmosis is a type of diffusion.
agasfer [191]

Answer:

true

Explanation:

osmosis is a special case of diffusion. diffusion occurs across a semipermeable membrane and only the water or other solvent moves. Diffusion and osmosis are both passive transport processes that act to equalize the concentration of a solution.

5 0
2 years ago
What happens to acceleration when the mass goes up or down?
Slav-nsk [51]

Answer:

If you increase the mass at a given force the rate of acceleration slows. Therefore, mass is inversely proportional to acceleration.

Explanation:

Thats the answer I need brainliest PLEASE jk.

5 0
3 years ago
Read 2 more answers
Please help i dont have much time cause i have to give it in soon :,)
Hitman42 [59]

Answer:

HBr + KOH = KBr + H2O

3 HF + Fe(OH)3 = FeF3 + 3 H2O

2 HCl + Ca(OH)2 = CaCl2 + 2 H2O

Explanation:

7 0
1 year ago
2. You have a 2.50 mole gas sample in a 500.0 mL flask at 25.0 °C.
SIZIF [17.4K]

Considering the ideal gas law, the pressure of the gas sample is 122.18 atm.

<h3>What is an ideal gas</h3>

An ideal gas is a theoretical gas that is considered to be composed of randomly moving point particles that do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.

<h3>Definition of ideal gas law</h3>

An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of gases:

P×V = n×R×T

<h3>Pressure of the gas sample</h3>

In this case, you know:

  • P= ?
  • V= 500 mL= 0.5 L
  • n= 2.50 moles
  • R= 0.082 \frac{atm L}{mol K}
  • T= 25 °C= 298 K

Replacing in the ideal gas law:

P×0.5 L = 2.50 moles ×0.082 \frac{atm L}{mol K} ×298 K

Solving:

P= (2.50 moles ×0.082 \frac{atm L}{mol K} ×298 K)÷ 0.5 L

<u><em>P= 122.18 atm</em></u>

Finally, the pressure of the gas sample is 122.18 atm.

Learn more about the ideal gas law:

brainly.com/question/4147359

#SPJ1

7 0
2 years ago
What causes a rearrangement of atoms?
AURORKA [14]

Answer:

When a atom is unstable (It wants to gain or lose a valence electron)

4 0
3 years ago
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