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Paladinen [302]
2 years ago
15

In science, the ability to do work is called _________.

Chemistry
2 answers:
prisoha [69]2 years ago
7 0

Answer:

D . Energy​

Explanation:

The ability to do work is called energy. Work is actually a transfer of energy. When work is done to an object, energy is transferred to that object. Energy is measured in joules (J) .

Anestetic [448]2 years ago
4 0

Answer:

The Ability to do Work is called Energy I think... It is measured in joules

Explanation:

Hope it helps

Please mark Brainliest if it helps

Answered by

*Rosalind*

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3.00 moles of nitrogen and 4.00 moles of oxygen are placed in a 35.0 L container at a temperature of 298 K. What is the pressure
Leto [7]

Answer:

i think the answer is c hoped this helped

Explanation:

7 0
3 years ago
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LenaWriter [7]

Answer:

huh

Explanation:

8 0
3 years ago
what is the kinetic energy of the emitted electrons when cesium is exposed to uv rays of frequency 1.4×1015hz?
Anika [276]
<span>The equation you used is KE=hv-hv0, where h=6.63*10^-34 (constant). You multiply h by 1.5*10^15. Multiply h by the threshold freq of cesium (from part A). Subtract the second answer from the first answer, and you get the kinetic energy. Hope this helps.</span>
7 0
3 years ago
Help me out please!!
malfutka [58]

Answer:6.48*10^{-2}

Explanation:

alright, dawg, lets get this bread. CHEMISTRY? OH YEAH I LOVE CHEMISTRY.

what is a mol? do you know who avogadro is? sounds like avocado. free shavocado. ok so you MUST REMEMBER THIS NUMBER PLEASE.

please remember this number and commit it to your memory: avogadros number

6.02 * 10^{23}

this is how much a mole is. you know how a pair is 2 and a dozen is 12? ok so a mole is 6.02 * 10^{23} it is confusing at first but hopefully this helps you to understand.

now that we understand this..... lets perform this calculation with a calculator

(3.90 * 10^{22}) / (6.02 * 10^{23})

notice i divide the question by the avogadros number to find out how many moles are in the number. ok but listen... it gets into a tough area here... because HOW ARE WE TO DIVIDE SUCH A HUMONGOUS NUMBER BY ANOTHER HUMONGOUS NUMBER?!?!?

its easy, its cake, just listen this is how you do it. only focus on the numbers NOT the 10 exponential ones. so just 3.90 and 6.02 ok? lets divide these two numbers 3.90 / 6.02 and we get 0.6478... how interesting... ok now lets deal with the exponents of 10. notice that we are DIVIDING these numbers so think of it as subtracting the exponents of ten.....    22 minus 23 equals -1

so we have 0.6478 * 10^{-1}

now this negative 1 thing is annoying so lets just make it to the power of 0

0.06478 * 10^{0}

and anything to the power of 0 just becomes 1.

0.06478

so this is our answer but keep in mind we need 3 sig figs. if we round then we get 0.0648

put this into scientific notation we get 6.48*10^{-2}

5 0
3 years ago
Two identical metal spheres at 8 °C are put into two beakers with equal amounts of water, as shown below.
leva [86]

Answer:

Correct answer is B.

Explanation:

Took the test and got this right. :)

7 0
3 years ago
Read 2 more answers
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