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In the parietal cells of the stomach the uptake of chloride ions is coupled to the transport of bicarbonate ions out of the cell This type of transport system is called?
dix
What type of ion is formed when acids are mixed with water?
Hydrogen ions
What type of solution contains a higher hydrogen concentration?
Acid solutions contain higher concentrations of hydrogen ions (hydronium ions).
Which type of flow works in opposition to Ekman transport in a gyre?
Gravity driven circulation
What type of process takes place if the hydrogen ions move without the help of additional energy?
Facilitated diffusion
In the parietal cells of the stomach the uptake of chloride ions is coupled to the transport of bicarbonate ions out of the cell This type of transport system is called?
dix
What type of solution has more hydrogen ions?
acidic
What type of ion is formed when acids are mixed with water?
Hydrogen ions
What type of solution contains a higher hydrogen concentration?
Acid solutions contain higher concentrations of hydrogen ions (hydronium ions).
What type of ions do acids form?
An acid is a substance that turns litmus paper into red. It is a proton donor and releases hydrogen positive ions or H+.
Which type of transport requires energy to move sodium ions from a low concentrations across the intestinal wall into a higher concentrations?
Active transport.
Which type of flow works in opposition to Ekman transport in a gyre?
Gravity driven circulation
What type of solute molecules may be moved by diffusion?
Many polar molecules and ions with the assistance of transport proteins.
What type of process takes place if the hydrogen ions move without the help of additional energy?
Facilitated diffusion
What effect does the formation of negative hydrogen ions in the sun's photosphere have on solar observations?
Negative hydrogen ions in the sun's atmosphere produce a diamond-type ring that is seen primarily during total solar eclipses. This can make a solar eclipse look hazy.
What type of chemical bond is Na2O?
Ionic bond between sodium ions and hydroxide ions.
What type of ion do acids form in solution?
Not simple to answer - acidic solutions contain more hydrogen ions that hydroxide ions, but there are very many ions that can cause hydrogen ions to be in excess - for instance the hydrogen-sulphate ion (from an acid salt such as sodium hydrogen-sulphate) when added to water has a tendancy to split into hydrogen and sulphate ions, so making the solution acidic. Not all acid salts are acid in soultion - for instance sodium hydrogen-carbonate is alkaline. When dissolved in water, the hydrogen-carbonate ion tends to react with hydrogen ions in the water to form molecular carbonic acid - removing hydrogen ions from the water and hence making it alkaline. Acid salts of strong acids, such as sulphuric, hydrochloric, nitric, are acidic in solution. Acid salts of weak acids, such as carbonic, sulphurous, are alkaline in solution. Just a few simple examples.
