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tamaranim1 [39]
3 years ago
12

What property of water is primary for living organisms? (SC.6.E.7.4) *

Chemistry
1 answer:
katrin [286]3 years ago
8 0

Answer:

It is liquid at most temperatures on Earth.

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Help asap. picture below.
Rashid [163]

Answer:

C. If a solar cell breaks, it releases chemicals and can harm humans.

Explanation:

Hope this helped! :)

3 0
3 years ago
I.j Thompson’s experiments provided evidence that an atom
Lemur [1.5K]
JJ Thompson proved Electrons, so negative charge
4 0
3 years ago
What is the smallest unit that makes up matter? A. molecules B. chemicals C. atoms D. alloys
Kamila [148]

Hello there!

An Atom would be considered to be the smallest unit that would make up matter. If were to ever see a picture of an atom, they would consists of a proton, neutron, electron, and a nucleus. And all this would be called a Atom.

Your answer: Atom

7 0
3 years ago
Read 2 more answers
The way it can be determined which type of atom we have is to figure out____are contained within the nucleus of the atom A.elect
Dima020 [189]

protons and neutrons are in the nucleus electrons surround the atom and i have no idea what positrons are i just know they arent in an atom so your answer is B and C

6 0
3 years ago
I need help with these two
bearhunter [10]

Answer:

6. d,  7. a

Explanation:

6. Molarity is a number of moles solute in 1 L solution.

7. 1 L solution - 2.5 mol K2CO3

 20 L             - x mol K2CO3

x  =20*2.5/1 = 50 mol K2CO3

Molar mass(KCO3) = M(K) + M(C) + 3M(O)= 39 +12 +3*16= 99 g/mol

99 g/mol *50 mol = 4950 g KCO3 Closest answer is A.

Actually KCO3 does not exist, in reality it should be K2CO3.

3 0
3 years ago
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