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muminat
3 years ago
5

What is the approximate hydronium ion concentration and hydroxide ion concentration in bleach? Which is higher?

Chemistry
2 answers:
Anvisha [2.4K]3 years ago
8 0

Answer:

Explanation:

Bleach is a chemical compound with the chemical formula NaClO (sodium hypochlorite. Sodium hypochlorite is a <u>strong base</u>. Hydronium ion (also called hydroxonium ion) (H₃O⁺) or hydrogen ion (H⁺) is the positive ion released when an acid is dissolved in water while hydroxide ion (OH⁻) is <u>the negative ion released when a base is dissolved in water</u>. Hence, since bleach is a strong base, <u>it will have a higher concentration of hydroxide ion released in water</u>.

maria [59]3 years ago
6 0
Hydroxide ion concentrstion in bleach is higher
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Mazyrski [523]

Answer:

Lead shows the greatest temperature change upon absorbing 100.0 J of heat.

Explanation:

Q=mc\Delte T

Q = Energy gained or lost by the substance

m = mass of the substance

c = specific heat of the substance

ΔT = change in temperature

1) 10.0 g of copper

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the copper = c =  0.385 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 0.385J/g^oC}=25.97^oC

2) 10.0 g of aluminium

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the aluminium= c =  0.903 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 0.903 J/g^oC}=11.07^oC

3) 10.0 g of ethanol

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the ethanol= c =  2.42 J/g°C

\Delta T=\frac{Q}{mc}

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4) 10.0 g of water

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the water = c =  4.18J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 4.18 J/g^oC}=2.39 ^oC

5) 10.0 g of lead

Q = 100.0 J (positive means that heat is gained)

m = 10.0 g

Specific heat of the lead= c =  0.128 J/g°C

\Delta T=\frac{Q}{mc}

=\frac{100.0 J}{10 g\times 0.128 J/g^oC}=78.125^oC

Lead shows the greatest temperature change upon absorbing 100.0 J of heat.

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Naily [24]

Answer:

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Explanation:

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