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mafiozo [28]
1 year ago
13

12. What structures does the fish have that are NOT present in the fly?

Chemistry
1 answer:
Dmitry_Shevchenko [17]1 year ago
5 0
Fish are cold-blooded creatures having a backbone, gills, and fins. The head, trunk, and tail make up a normal fish's body. Two eyes, each with a well-developed nictitating membrane, two internal ears, two nostrils closed internally (except in lungfishes), and a mouth are found on the head.
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What happens to iron when iron oxide becomes elemental iron?
Ilya [14]
The appropriate response is Reduction. It is a chemical reaction that includes the picking up of electrons. It alludes to the side that acknowledges electrons. At the point when iron responds with oxygen, it frames a concoction called rust. In that case, the iron is oxidized and the oxygen is lessened.
6 0
4 years ago
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What is the percentage composition of carbon and hydrogen in ethane(c2h6,molecular mass 30.0)<br>​
My name is Ann [436]

Answer

% of C in C2H6= (2×12)/30×100=80%

% of H in C2H6= (3×2)/30×100=20%

Explanation:

2C+3H2-C2H6

nC=12, nH=1, nC2H6=30

2moles of C-1mole of C2H6

3moles of H-1 mole of C2H6

% of C in C2H6= (2×12)/30×100=80%

% of H in C2H6= (3×2)/30×100=20%

5 0
3 years ago
What is the name for SnSO4 • 7H2O? tin sulfate heptahydrate. tin sulfate hexahydrate. tin (II) sulfate heptahydrate. tin (II) su
Neko [114]
<span>SnSO4 • 7H2O
This formula has 2 part 
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So full name is </span><span> tin (II) sulfate heptahydrate.</span>
6 0
3 years ago
How many moles of mgci2 are there in 332 g of the compound
Agata [3.3K]
Find molar mass of MgCl2 so M=<span>95.211 g/mol
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N=3.487
dont forget to round your sig figs </span>
3 0
3 years ago
Use the reaction to answer the question.
Vadim26 [7]

Answer:

–698 kJ/mol

Explanation:

i guessed and got it right

8 0
3 years ago
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