The element with the greatest density is osmium, which has

Chemistry

1 answer:

Vinil7 [7]3 years ago

5 0

Answer:

Mass is 725.46g/cm

Explanation:

Mass = density × volume = 22.6g/cm^3 × 32.1cm^2 = 725.46g/cm

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Calculate the pressure exerted by an book of mass 20kg occupying an area of 2 m square.

kotykmax [81]

The answer is 100 Pa.

The formula for calculating pressure is :

Pressure = Force ÷ Area

We are given that :

mass = 20 kg
area = 2 m²

We also know that :

Force = mass ×g

So, force will be :

F = 20 × 10
F = 200 N

Now, we can finally calculate pressure :

P = 200 ÷ 2
P = 100 Pa

8 0

2 years ago

What type of plate boundary would form where there is a mountain range present, known earthquake activity, but no trenches prese

Natasha_Volkova [10]

Answer:

continental-continental convergent boundary

Explanation:

When two continental plates converge, they smash together and create mountains. The amazing Himalaya Mountains are the result of this type of convergent plate boundary. The Appalachian Mountains resulted from ancient convergence when Pangaea came together.

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3 years ago

As the ph approaches 0, what happens to the concentration of h3o+ ions?

natta225 [31]

We know that

pH = -log[H+]

the pH value falls in between 0- 7 for acids

As the pH value increases the concentration of [H+] increases.

similarly as the value of pH approaches 0, the concentration of H+ increases

The solution said to become more acidic

Also

[H+] X [OH-] = 10^-14