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Eddi Din [679]
3 years ago
5

What is the mole ratio of PbO2 to water? PbO, H,0 = 1:0

Chemistry
1 answer:
ipn [44]3 years ago
5 0

Answer:

<em>The mole ratio of PbO2 to H2O is 1 : 2.</em>

Explanation:

The balanced reaction equation is:

Pb + PbO2 + 2H2SO4 → 2PbSO4 + 2H2O

On the reactant side, we have 1 mole of Pb, 1 mole of PbO2, 2 moles of H2SO4.

On the product side, we have 2 moles of PbSO4 and 2 moles of H2O.

This means that for ever 1 mole of PbO2 consumed, 2 moles of water is formed as product.

Hence, the mole ratio of PbO2 to H2O is 1 : 2.

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4 0
3 years ago
Which substance has a high melting point and conducts electricity in the liquid phase
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8 0
3 years ago
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The isotope 238U, which starts one of the natural radioactive series, decays first by alpha decay followed by two negative beta
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Answer: The resulting isotope is ^{231}_{92}\textrm {U}

Explanation:

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^{235}_{92}\textrm{U} \rightarrow ^{231}_{90}\textrm {Th}+^{4}_{2}n

Beta Decay : It is a type of decay process, in which a proton gets converted to neutron and an electron. This is also known as -decay. In this the mass number remains same but the atomic number is increased by 1.

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6 0
3 years ago
Explain how the concentration of hydronium ions and hydroxide ions are related to pH.
Dominik [7]
Hello!

The concentration of hydronium ions is related to pH by the following simple equation:

pH=-log[H_3O^{+}]

From this equation, you can see that as the hydronium concentration is higher, the pH will be lower.

The concentration of the OH⁻ ions is related to the pH by the following set of equations

pOH=-log[OH^{-}] \\ pH=14-pOH

You can see that as the concentration of OH⁻ is higher, the pOH is lower and thus the pH is higher. 

When the pH of the solution is less than 7, the solution is acidic.

When the pH of the solution is higher than 7, the solution is basic.

Have a nice day!

8 0
3 years ago
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