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3 years ago

What do all types of steel have in common?

Chemistry

2 answers:

Charra [1.4K]3 years ago

7 0

Answer:

A simple explanation of what alloys are and how they're made, with a table ... That's why most of the "metals" we use are not actually metals at all but alloys

Explanation:

aleksklad [387]3 years ago

4 0

Answer:

All are alloys made mostly of iron

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What is the concentration of a solution that has a volume of 2.5L and contains exactly 2.125 moles of calcium phosphate

Iteru [2.4K]

Answer:

0.85 mol/L.

Explanation:

Molarity is defined as the no. of moles of solute dissolved in a liter of the solution.

M = (no. of moles of solute)/(Volume of the solution (L))

no. of moles of calcium phosphate = 2.125 mol.

Volume of the solution = 2.5 L.

∴ M of calcium phosphate = (2.125 mol)/(2.5 L) = 0.85 mol/L.

7 0

3 years ago

A Van de Graaff generator can be used to create a large amount of A. current. B. static charge. C. electrical resistance. D. mix

Eduardwww [97]

I think the answer is B. static charge. I hope this helps! :)

4 0

3 years ago

Read 2 more answers

Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels.The heat of combustion of cyclopentane, C5H1

shtirl [24]

Answer : The balanced equation for the complete combustion of cyclopentane will be :

$2C_5H_{10}+15O_2\rightarrow 10CO_2+10H_2O$

Explanation :

As we know that the hydrocarbons can undergo complete or incomplete combustion that depends on the amount of oxygen available.

Complete combustion : It takes place when there is a good supply of oxygen. In this, hydrocarbon react with the oxygen to give carbon dioxide and water as a product.

The general reaction will be :

$\text{Hydrocarbon}+O_2\rightarrow CO_2+H_2O$

Incomplete combustion : It takes place when there is a poor supply of oxygen. In this, hydrocarbon react with the oxygen to give carbon monoxide, carbon dioxide and water as a product.

The general reaction will be :

$\text{Hydrocarbon}+O_2\text{(limited)}\rightarrow CO+CO_2+H_2O$

As per question, the complete combustion of cyclopentane react with oxygen to gives carbon dioxide and water as a product.

Therefore, the balanced chemical reaction will be :

$2C_5H_{10}+15O_2\rightarrow 10CO_2+10H_2O$

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3 years ago

Dolton’s theory states that atoms are the smallest possible parts of elements. In a chemical reaction, atoms will be

Alenkasestr [34]

Answer:

Joined together to form compounds or rearranged.

Explanation:

Dalton's Theories

-atoms from two or more different elements join together to form compounds in chemical reactions.

-chemical reactions rearrange atoms, but in specific compounds the atoms of different elements always combine in the same way.

3 0

3 years ago

Acceleration involves a change in A. time B. direction C. speed D. either b or c

deff fn [24]

Answer:

Explanation:

Think about it. If you accelerate, you go faster. This means you change speed.

5 0

2 years ago

Read 2 more answers