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vredina [299]
3 years ago
11

Which acid and base react to form water and sodium sulfate? 1. sulfuric acid and sodium hydroxide 2. sulfuric acid and potassium

hydroxide 3. sulfurous acid and sodium hydroxide 4. sulfurous acid and potassium hydroxide
Chemistry
2 answers:
polet [3.4K]3 years ago
5 0

Answer:

1.) HCl + KOH mr -> KCl + H2O

2.) H2SO4 + Ba(OH)2 -> BaSO4 + 2H2O  

3.) H3PO4 + 3NaOH -> Na3PO4 + 3 H2O

Explanation:

iris [78.8K]3 years ago
4 0
The reaction between (1) Sulfuric Acid and Sodium Hydroxide forms Water H_2O and Sodium Sulfate  Na_2SO_4.<span>

</span>An acid-base neutralization reaction between a highly corrosive strong mineral acid (Sulfuric Acid H_2SO_4) and a very strong base (Sodium Hydroxide NaOH) produces an aqueous solution of Sodium Sulfate or <span>Water H_2O and Salt (Sodium Sulfate)  Na_2SO_4.
</span>The Chemical Equation is:
2 NaOH + H_2SO_4 >>>Na_2SO_4+2H_2O
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I’m not sure on this!!!
Talja [164]

Answer:

-14

Explanation:

H=-6

G=7

therefore,

=7(H)+4(G)

=7(-6)+4(7)

=-42+28

=-14

8 0
3 years ago
Read 2 more answers
Use bond energies to calculate δhrxn for the reaction. n2(g)+3cl2(g)→2ncl3(g)
Jobisdone [24]
ΔHrxn = ΣδΗ(bond breaking) - ΣδΗ(bond making)

Bond enthalpies,
N ≡ N ⇒ 945 kJ mol⁻¹
N - Cl ⇒ 192 kJ mol⁻¹
Cl - Cl⇒ 242 kJ mol⁻¹

According to the balanced equation,
ΣδΗ(bond breaking)  = N ≡ N x 1 + Cl - Cl x 3
                                  = 945 + 3(242)
                                  = 1671 kJ mol⁻¹
ΣδΗ(bond making)    = N - Cl x 3 x 2
                                 = 192 x 6
                                 = 1152 kJ mol⁻¹

δHrxn = ΣδΗ(bond breaking) - ΣδΗ(bond making)
          = 1671 kJ mol⁻¹ - 1152 kJ mol⁻¹
          = 519 kJ mol⁻¹
3 0
4 years ago
Read 2 more answers
Bismuth oxide reacts with carbon to form bismuth metal:
lesya692 [45]

Answer:

(a) 1.92 moles of Bi produced.

(b) 80.6 grams

Explanation:

             Balanced equation: Bi2O3(s) + 3C(s) → 2Bi(s) + 3CO(g)

1st find moles of Bi2O3:

Bi2O3 has Mr of 466 and mass of 447 g

\hookrightarrow moles = \frac{mass}{Mr}

\hookrightarrow moles = \frac{447}{466}

\hookrightarrow moles = 0.959227

2nd find moles of Bi:

Bi2O3 : 2Bi

→       1 : 2 ------ this is molar ratio.

→ 0.959227 : (0.959227)*2

→ 0.959227  : 1.91845

→ 0.959227  : 1.92

Therefore 1.92 moles of Bi was produced.

3rd Find moles of 3CO:

Bi2O3 : 3CO

      1 : 3

0.959227 : (0.959227 )*3

0.959227 : 2.87768

3CO has 2.87768 moles and we know the Mr is 28.

\hookrightarrow mass = moles * Mr

\hookrightarrow mass = 2.87768 * 28

\hookrightarrow mass =80.575 g

Therefore 80.575 grams of CO was produced.

8 0
3 years ago
Read 2 more answers
Predict the energy trend as a substance changes from a solid to liquid to gas on this graph.
Vladimir [108]
Answer:
            Option-A (<span> It would increase from bottom left to top right) is the correct answer.

Explanation:
                   As we know converting solids into liquids and converting liquids into gases require energy. This energy provided increases the energy of the state and its particles start moving with higher velocities. Therefore, the energy of solids will be lower than liquids and gases respectively. While, liquids have greater energy than solids but less energy than gases. And, gases are the most energetic than solids and liquids.</span>
8 0
3 years ago
Read 2 more answers
How many grams are in 4.50 moles of Li2O?
astraxan [27]

Answer:

There are 134.5 grams in 4.5 moles of Li2O (lithium oxide).

Explanation:

8 0
3 years ago
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