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2 years ago

What is scientific meaning for emerge?

Chemistry

2 answers:

Likurg_2 [28]2 years ago

5 0

To move out /come out or away from something

cluponka [151]2 years ago

3 0

When we're talking about something that's emerging, we're talking about a characteristic of a certain object we're observing which couldn't be directly inferred from its known constitutional parts.

If we know water is made out of oxygen and two hydrogen molecules, we cannot predict certain qualities it has. What we need to know and what is important is that we also know the interaction between the constitutional parts of our object so that we can properly explain the new observed characteristic.

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238,2U --> 234Th +<br> 90

stiv31 [10]

Answer:

$\\_{2}^{4} \alpha$

Explanation:

In this question, we wish to find the missing nuclei for the equation:

$\\_{92}^{238} U\rightarrow _{90}^{234} Th + _{Z}^{A} X$

In order to find the missing species, we need to use the charge and mass balance law. That is, the mass should be conserved: the total mass on the left-hand side with respect to the arrow should be equal to the total mass on the right-hand side with respect to the arrow:

$238 = 234 + A$

Notice from here that:

$A = 238 - 234 = 4$

So far we know that the mass of X is 4. Similarly, we apply the law of charge conservation. The total charge should be conserved:

$92=90+Z$

From here:

$Z = 92-90=2$

We have a particle:

$\\_{2}^{4} X$

Looking at the periodic table, an atom with Z = 2 corresponds to helium. This can also be written as an alpha particle:

$\\_{2}^{4} \alpha$

5 0

2 years ago

Sediments are almost always deposited in flat layers. Does it appear that forces in the Earth affected the rock layers in this r

laiz [17]

I think so but what region do you live in

4 0

2 years ago

How many atm are in 1,520 mmHg?

Brums [2.3K]

In 1 atm there is 760 mmHG, so if you divide 1,520 by 760 you get a total of 2 atm. So the answer is 2 atm in 1520 mmHg.

6 0

3 years ago

Read 2 more answers

Explain how you would change a measurement in centimeters to kilometers?

stich3 [128]

A kilometer is equal to 1000 meters and a meter is equal to 100 centimeters, so:

1 km = 100000 cm
1 cm = 0,00001 km

Just multiply or divide it by 100000.

6 0

2 years ago

Read 2 more answers

Question 6 (1 point)

Elden [556K]

Answer:

long

Explanation:

Uranus has a tilt, causing seasons, and they are each 21 earth years long.

8 0

3 years ago

Read 2 more answers