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Yuri [45]
3 years ago
6

How are rare earth elements like neodymiun important to our technological world?

Chemistry
1 answer:
kherson [118]3 years ago
7 0
Im assuming, if you find rare earth elements, it is important to the technological world bc you can make more products more better, and even invent new and more modern things.
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Which of the following is a formal science?
Kruka [31]

Answer:

Formal science is a branch of science studying formal language disciplines concerned with formal systems, such as logic, mathematics, statistics, theoretical computer science, artificial intelligence, information theory, game theory, systems theory, decision theory, and theoretical linguistics.

Explanation:Formal science is a branch of science studying formal language disciplines concerned with formal systems, such as logic, mathematics, statistics, theoretical computer science, artificial intelligence, information theory, game theory, systems theory, decision theory, and theoretical linguistics.

5 0
4 years ago
If I have 7.7 moles of gas at a pressure of 9.12 kPa and a temperature of 56 °C,
Paul [167]

Answer:

C

Explanation:

n= 7.7mol

P= 9120pa

T = 329.15K

PV=nRT

V= nRT/P

V= (7.7×8.314×329.15)/9120

V= 2.308meter cubic

V= 2308L

6 0
3 years ago
Do you think this one experiment is enough to change the scientific theory regarding the speed of light?
devlian [24]

No. The speed of light does change. You mean speed of light in a vacuum. Measuring that value is elementary, in a 2-way measurement, as you show.

7 0
3 years ago
Find the linear function Cequals​f(F) that gives the reading on the Celsius temperature scale corresponding to a reading on the
padilas [110]

Answer:

C = (5/9) F - (160/9)

They both read equal at Z = - 40

Explanation:

We are looking for a linear function so we can write the following condition

Y = aX + b

Applying it to the exercise we got C = a F + b

Let's use the facts that C = 0 when F = 32 and C = 100 when F = 212

0 = 32 a + b            (1)

100 = 212 a + b       (2)

From (1) b = - 32 a , when we replace this in (2) we obtain a = (5/9)

and b = - (5/9)32 = - 160/9

Finally the linear function is C = (5/9) F - (160/9)

Both readings are equal at a Z number so

Z = (5/9) Z - 160/9

(4/9) Z = -160/9 and Z = - 40

6 0
3 years ago
Which feature is most likely found at a divergent boundary?
jek_recluse [69]

Answer:

Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges. While the process of forming these mountain ranges is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.

Explanation:

4 0
3 years ago
Read 2 more answers
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