10 months ago

. Na₂O + H₂O → H₂O → NaOH translate the formulaic equations to word equation

Chemistry

1 answer:

lesya692 [45]10 months ago

7 0

Sodium oxide + Water= Sodium hydroxide

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P4O10(s) = -3110 kJ/mol H2O(l) = -286 kJ/mol H3PO4(s) = -1279 kJ/mol Calculate the change in enthalpy for the following process:

mash [69]

Answer:

-290KJ/mol

Explanation:

ΔHrxn = ΔHproduct - ΔHreactant

ΔHrxn= 4ΔHH3PO4 - {6ΔHH2O + ΔHP4O10}

ΔHrxn = 4(-1279) - [6(-286) - 3110]

= -5116 -(-1716-3110)

= -5116-(-4826)

= -5116 + 4826 = -290KJ/mol

6 0

2 years ago

The atomic mass of carbon -13 is 13. It has six protons. How many neutrons does the isotope have

marishachu [46]

Answer:

13 - 6 =7

Explanation:

8 0

3 years ago

Ionic formula for sodium oxide

Bas_tet [7]

The ionic formula of sodium oxide would be Na20

5 0

2 years ago

WILL GIVE BRAINLIEST

seropon [69]

Answer:

Chemical reaction A, because the reactant is a compound

Explanation:

In a decomposition reaction, a compound is broken down into its components, so the number of products is greater than the number of reactants

3 0

1 year ago

Sodium hydroxide, NaOHNaOH; sodium phosphate, Na3PO4Na3PO4; and sodium nitrate, NaNO3NaNO3, are all common chemicals used in cle

nadya68 [22]

Answer:

NaOH > Na3PO4 > NaNO3

Explanation:

in NaOH

23/40 * 100 = 57.5%

in Na3PO4

3 * 23/164 * 100 = 42%

In NaNO3

23/85 * 100 = 27.1%

Hence;

NaOH > Na3PO4 > NaNO3

4 0

2 years ago