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jonny [76]
3 years ago
9

30 points for this question answer it plz .

Chemistry
1 answer:
kipiarov [429]3 years ago
4 0

Answer:

Low carbon steel is usually used for carburization because of its excellent toughness. For high duty applications alloy steels are also carburized for additional properties of both the case and the core. In alloy steels, the alloying elements remain in the form of various carbide and nitride precipitates.

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What is the molality of a solution containing 10.0 G of NA2 S04 and 1000.0 G of water
galina1969 [7]

Explanation:

1 literThe total of water is equal to 1000.0 g of water

we need to find the molality of a solution containing 10.0 g of dissolved in  Na₂S0₄1000.0 g of water

1. For that find the molar mass

Na:  2 x 22.99= 45.98

S:  32.07

O:  4 x 16= 64

The total molar mass is 142.05

We have to find the number of moles, y

To find the number of moles divide 10.0g by 142.05 g/mol.

So the number of moles is 0.0704 moles.

For the molarity, you need the number of moles divided by the volume. So, 0.0704 mol/1 L.

The molarity would end up being 0.0704 M

The molality of a solution containing 10.0 g of Na2SO4 dissolved in 1000.0 g of water is  0.0704 Mliter

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Food can spoil very quickly. Which methods are used to minimize the reactions that allow bacteria and fungi to grow?
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What type of element is most abundant: metals, nonmetals, or metalloids?
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For about how long do scientists think wind and solar power can provide us with energy?
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Describe a sigma bond.A) overlap of two f orbitalsB) end to end overlap of p orbitalsC) s orbital overlapping with the side of a
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Answer:

B - End to end overlap of p overlap

Explanation:

Sigma bonds (σ bonds) are the strongest type of covalent chemical bondSigma bonds are formed by end-to-end overlapping. Sigma bonds can occur between any kind of atomic orbitals;The combination of overlapping orbitals can be s-s, s-pz or pz-pz.                              

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