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Juli2301 [7.4K]
3 years ago
11

Are energy sources unlimited? please help it’s late

Chemistry
1 answer:
Kay [80]3 years ago
6 0
It depend on the type of energy source
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(1.7m - 2) + (2m – 4)
Pavel [41]

Answer: 3.7 m − 6

Explanation: Simplify the expression.

brainliest or a thank you pls :)) <3

6 0
3 years ago
During which change of state would the volume of a substance increase the most?
Alika [10]

Answer:

The most state has the high volume is the gas state.

So here the answer is vaporization!!!!

Explanation:

The most state has the high volume is the gas state.

So here the answer is between vaporization and sublimation???

and when the sublimation is: the change of the material from the solid state to the gas state directly without pass to liquid state from the solid first then to the gas

and the vaporization is : The change of the material from the liquid state to the gas state by heating Ex: water vaporize at 100°

here, the answer is sublimation because the difference of volume which resulted from this process is more than the volume resulted from vaporization.

Plz mark brainlist!!

4 0
3 years ago
Read 2 more answers
Which elements are metalloids? Check all that apply.
Finger [1]
<h3>Answer:</h3>
  • Boron
  • Silicon
  • Tellurium
<h3>Explanation:</h3>
  • Elements in the periodic table are either metals, non-metals or metalloids.
  • Metals are elements that react by losing electron(s) to attain an octet configuration. They occupy groups I, II and III of the periodic table and the transition metals.
  • Non-metals, on the other hand, are elements that react by gaining electron(s) to attain a stable configuration. Examples include halogens and noble gases among others.
  • Metalloids are elements in the periodic table that have the properties of both metals and non-metals.
  • Other examples of metalloids are arsenic, tellurium, germanium and polonium.
7 0
3 years ago
Read 2 more answers
Hello everyone! I have a question about science;
kolezko [41]
C because 20 -10 is 10
4 0
3 years ago
It’s about the periodic table of elements
Pie
Yes what the other person said can I plz get an thanks
3 0
3 years ago
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