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3 years ago

11

What is the difference between corrosion and rusting

1 answer:

BartSMP [9]3 years ago

4 0

Answer:

Corrosion is the process of deterioration of materials as a result of chemical, electrochemical or other reactions. Rusting is a part of corrosion and is a chemical process which results in the formation of red or orange coating on the surface of metals. ... Rust or rusting can affect only iron and its alloys.

Explanation:

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What happens to a liquid when you keep on cooling it until it changes?

Gnesinka [82]

Answer:

it turns into a solid

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3 years ago

Calculate Srxn for the equation below. (Round to the nearest whole number.)

zaharov [31]

Answer:The the $\Delta S_{rxn}$ for the given reaction is 179.98 J/K.

Explanation:

$4NH_3(g)+5O_2(g)\rightarrow 4NO(g)+6H_2O(g),\Delta S_{rxn}=?$

$=192.8 J/mol K$

$\Delta S_{O_2}=205.0 J/mol K$

$\Delta S_{H_2O}=188.83 J/mol K$

$\Delta S_{NO}=210.8 J/mol K$

$\Delta S_{rxn}=(4 mol\times \Delta S_{NO}+6 mol\times \Delta S_{H_2O})-(4 mol\times \Delta S_{NH_3}-5 mol\times \Delta S_{O_2})$

$\Delta S_{rxn}=(4\times 210.8 J/mol K+6\times 188.83 J/mol K)-(4\times 192.8 J/mol K+5\times 205.0 J/mol K)$

$\Delta S_{rxn}=179.98 J/K$

The the $\Delta S_{rxn}$ for the given reaction is 179.98 J/K.

4 0

3 years ago

When aqueous solutions of potassium cyanide and hydrobromic acid are mixed, an aqueous solution of potassium bromide and hydrocy

mrs_skeptik [129]

Answer:

hey there

Explanation:

CN- (aq) + H+ (aq) → HCN(I)

The reactants are aqueous solutions:

NaCN(aq) and HBr(aq)

When you mix these compounds you make pure HCN (I)

The molecular equation is:

NaCN(aq) + HBr(aq) → NaBr(aq) + HCN(I)

When you dissociate the reactants, you have: Nat(aq) +CN¯(aq) + H*(aq) + Br−(aq) → Nat(aq) + ->

Br (aq) + HCN(I)

Sodium bromide, it is a salt, that can also be

dissociated in the solution

To make, the net ionic equation you remove the repeated ions

CN- (aq) + H+ (aq) → HCN(I)

If you like my answer please mark as brainliest

8 0

3 years ago

Which scenario represents a scientific investigation?

trasher [3.6K]

Answer:

yes

Explanation:

....

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3 years ago

Most of the heat from the sun that

nata0808 [166]

Answer:

51% of the suns heat is absorded by land.

Explanation:

5 0

3 years ago