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Chemistry

1 answer:

tankabanditka [31]3 years ago

7 0

Answer:

Explanation:

Magnetism or magnetic field lines move through just about anything. The earth somehow creates a magnet near it"s center and these magnetic field lines move through the lava, rock, and soil of the earth to control a compass on the surface. So moving through a piece of cardboard is no problem for magnetism.

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write down the balanced chemical equation of the reaction that takes place between iron and concentrated sulphuric acid

pishuonlain [190]

Answer:

2Fe + 3H2SO4 → Fe2(SO4)3 + 3H2

Explanation:

Iron is a metallic element with chemical symbol, Fe while concentrated sulphuric acid is a chemical compound with chemical formula, H2SO4. Both are involved in a chemical reaction as follows:

Fe + H2SO4 → Fe2(SO4)3 + H2

However, this reaction is not balanced as the number of moles of each atom in both the reactants and product side is not equal. To balance the equation, we have to ensure that each number of atom is equal. The balanced equation are as follows:

2Fe + 3H2SO4 → Fe2(SO4)3 + 3H2

5 0

3 years ago

About how many centimeters will make an inch?<br> A)5<br> B)2+<br> C) 200<br> D)10

Rasek [7]

Answer: B) 2+

Explanation:

There are exactly 2.54 centimeters in an inch, the closest option is:

B) 2+

6 0

2 years ago

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