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What is a true statement about weak electrolytes?
They do not completely dissociate in water.
Why does an acid dissociate in water?
To increase the efficiency of conductivity
Why doesn't sugar dissociate?
Glucose is a stable molecule formed by bond reactions between carbon dioxide and water through photosynthesis. Hence they do not dissociate.
What could happen to carbon dioxide if water temperatures rise?
Carbon dioxide is released from water at high temperature.
How does temperature and salinity effect the stability of water?
The chemical stability of water is not affected by the salinity; also water decompose at very high temperatures.
What ionizes water?
Water has an ionization constant of 10-14 and there is always some small degree of spontaneous ionization in liquid water, resulting from random thermal motion. At high temperatures, ionization increases. Any compound will dissociate at a sufficiently high temperature.
What effect might a prolonged body fever of 40 Celsius have on the enzyme structure?
High temperatures will cause enzyme structures to dissociate (break apart).
What of the following is a characteristic of a weak acid?
It completely dissociates in water.
The of an acid and a base is determined by how completely they dissociate in water?
The _____________ of an acid and a base is determined by how completely they dissociate in water. strength
Does potassium bromide dissociate in water?
Yes it does dissociate, and dissolve completely in water, as KBr is an ionic salt.
Are substances with ionic or covalent bonds more likely to dissociate in water?
Ionic compounds dissociate when they dissolve in water.
Does Water molecules dissociate to form h o2 ions?
Water's high heat of vaporization allows it to cool us off when we sweat
How can water turn into steam or water vapour?
When water is heated at extremely high temperatures.
Some covalent compound dissociate dissociate into ions when they dissolve in water and what atom do these compounds have in their structure?
oxygen
Is CH3CN dissolved in water?
No. CH_3CN does NOT dissociate into ions in water
Does calcium nitrate dissociate in water?
yes
What can causes a increase in the density of the ocean water?
the amount of salinity in the water and high temperatures
