like all k values, kw is temperature dependent. for instance, at 75oc, the value for kw is 2.00 x 10-13. if the ph of an aqueous solution at 75oc is 5.0, what is the poh?

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24-11-2022
Engineering

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like all k values, kw is temperature dependent. for instance, at 75oc, the value for kw is 2.00 x 10-13. if the ph of an aqueous solution at 75oc is 5.0, what is the poh?

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need help on this please

rekharaypriti8910 rekharaypriti8910 · Answer 1 · 2022-12-01T19:18:36+01:00

After that, you change it to pH. However, in pure water, the concentration of hydrogen ions (hydroxonium ions) and hydroxide ions must be equal.

Because Kw rises as temperature rises, the reaction is endothermic. The autoionization of water is more advantageous at higher temperatures because Kw is larger there. This means that at higher temperatures, there is more H3O+ due to the autoionization of water. The output of a gas heater is measured in kW. At 100% efficiency, 3.6 MJ of input results in 1 kW of output. 1 kw is equal to 1000 watts of power. An electric power unit is a kilowatt. A kilowatt uses 1000 Joules per second of energy.

Learn more about efficiency here-

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