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morpeh [17]
3 years ago
11

What happens to the temperature, density, and pressure when you descend from the crust to the inner core

Chemistry
2 answers:
Mrrafil [7]3 years ago
8 0
It gets warmer more pressure
Ivenika [448]3 years ago
8 0
Both the temperature and the pressure increase as you get closer to the core

The density of each layer of earth also increases as you get closer to the core
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Calculate the mass in grams of each sample.
OlgaM077 [116]

Answer: The answer is A. - 4.88x10^20 H2O2 molecules

Explanation: I hope this helps!

4 0
3 years ago
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.3×1015Hz?
Sonja [21]

Answer:

We know that

ħf = ф + Ekmax  

where  

ħ = planks constant = 6.626x10^-34 J s  

f = frequency of incident light = 1.3x10^15 /s (1 Hz =

1/s)

ф = work function of the cesium = 2.14 eV  

Ekmax = max  kinetic energy of the emmitted electron.  

We distinguish that:

1 eV = 1.602x10^-19 J

So:

2.14 eV x (1.602x10^-19 J / 1 eV) = 3.428x10^-19 J

So,

Ekmax = (6.626x10^-34 J s) x (1.3x10^15 / s) - 3.428x10^-19 J

= 8.6138x10^-19 J - 3.428x10^-19 J = 5.1858x10^-19 J  

Answer:

5.19x10^-19 J  

Kinetic energy:

In physics, the kinetic energy of an object is the energy that it owns due to its motion. It is defined as the work required accelerating a body of a given mass from rest to its specified velocity. Having expanded this energy during its acceleration, the body upholds this kinetic energy lest its speed changes.

Answer details:

Subject: Chemistry

Level: College

Keywords:

• Energy  

• Kinetic energy

• Kinetic energy of emitted electrons

Learn more to evaluate:

brainly.com/question/4997492

brainly.com/question/4010464

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6 0
4 years ago
Read 2 more answers
When a piece of sodium metal is kept in water in chemical equation​
jekas [21]

Explanation:

Sodium metal reacts rapidly with water to form a colourless basic solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide. 

7 0
3 years ago
Read 2 more answers
How many iron atoms are in the formula for iron(III) oxide?
velikii [3]

Answer:

There is two iron atoms.

Explanation:

The formula iron oxide is Fe2O3 F e 2 O 3 therefore there would be two. Hope this helps. :)

8 0
4 years ago
Changes in temperature can often cause a change in the state of matter of objects. A decreasein temperature causes which of the
STALIN [3.7K]

Answer:

B. Water will freeze

<em>because</em><em> </em><em>the</em><em> </em><em>latent</em><em> </em><em>heat</em><em> </em><em>of</em><em> </em><em>vapourization</em><em> </em><em>decreases</em><em>.</em>

5 0
3 years ago
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