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Genrish500 [490]
3 years ago
14

Please help answer these

Biology
2 answers:
grandymaker [24]3 years ago
8 0
There isn’t a question
BARSIC [14]3 years ago
6 0
I only know the answers to number 2 and 4. 2 is A, and 4 is C.
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What is the correct way to handle a needle after it is used to give a vitamin injection to a health patient?
stealth61 [152]
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True or false:a nerve tissue is consists up nerve and muscle cells​
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A major oil spill has just happened in a near-shore environment. What prediction could be made as to why an oil spill in this ar
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2 years ago
Read 2 more answers
Why do metals conduct electricity? Brainliest! <br> Already looked it up, so don't try it :)
Romashka-Z-Leto [24]

Answer:

Luckily I did the same thing and it was in my docs

Explanation:

Electricity is the flow of electrical power or charge. Everyday, we use electricity to do many jobs for us from lighting and heating/cooling our homes, to powering our televisions and computers. We get electricity from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power and other natural sources. Electricity can be broken down into some very simple, natural elements. The biggest of which is the atom. Atoms are everything.

Not only that we are made of atoms, but atoms are everywhere. It's a known fact that almost anyone should know.

6 0
2 years ago
1) How many grams of CO are needed with an excess of Fe2O3 to produce 35.0 g Fe?
satela [25.4K]
1. Moles Fe = 209.7 g/ 55.847 g/mol= 3.75 

The ratio between Fe and CO is 2 : 3 

Moles CO = 3.75 x 3 /2 = 5.63 

<span>Mass CO = 5.63 mol x 28.01 g/mol= 157.7 g

2. </span><span />2Na + 2H2O --> 2NaOH + H2<span>atomic weight of sodium is 23             48.7/23 = 2.12 moles  of sodium 
2.12/2 x 24 = 25.44dm^3 hydrogen = 1.06 moles

so multiply it by Avogadro's number1.06 X 6.02x10^23 = 1.204x10^24 molecules of hydrogen
 </span>
4 0
3 years ago
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