Answers
What is formed when carbon dioxide and water react? What happens to the pH of water when carbon dioxide is added? Does it become more acid or more basic?
CARBONIC ACID & ACIDIC
Carbon dioxide dissolves slightly in water to form a weak acid called carbonic acid, H2CO3: CO2 + H2O H2CO3
Carbonic acid reacts slightly and reversibly in water to form a hydronium cation, H3O+, and the bicarbonate ion, HCO3-: H2CO3 + H2O HCO3- + H3O+ This chemical behavior explains why water, which normally has a neutral pH of 7 has an acidic pH of approximately 5.5 when it has been exposed to air. It also explains the burning/stinging sensation in your nose and eyes when you inhale too quickly from a freshly-opened container of soda pop; the gas quickly reacts with the water in your eyes and nose to form a small amount of carbonic acid.
Full article on chlorine and fluoride: buildingbodies.ca I just got my new water filter and thought I would do a quick video on the install. I was ...
PLEASE HELP-SCIENCE HOMEWORK
'Acid+carbonate=salt+water+carbon dioxide' What observations do you see in this kind of reaction?
You will see effervescence (bubbles)
2H+(aq) + CO3-2(aq) --> H2CO3(aq) --> CO2(g) + H2O(l)
What is the balanced equation for the reaction of Octane to give water and carbon monoxide?
C8H18 + 8.5O2 ---> 9H2O + 8CO
Do u know what the octane is reacting with? i'm assuming incomplete combustion.
Both water and carbon dioxide are triatomic molecules with 2 bonding pairs. What factors explain the difference in their shapes?
Mainly the fact the H2O has a lone pair pushing the hydrogens into the bent shape, whereas CO2 just has the double bonds, so they can be linear.
Photosynthesis uses sunlight to convert water and carbon dioxide into?
The stroma is the thick fluid within the inner membrane of a chloroplast that surrounds what?
and Where in the chloroplast is chlorophyll found?
Photosynthesis uses sunlight to convert water and carbon dioxide into high-energy sugar (glucose) and oxygen.
The stroma surrounds the thylakoid.
chlorophyll is found in the photosystems in the thylakoid membrane of the chloroplast.
Scientists solve problem of building carbon nanotubes with right ...
The method has been developed by R. Mohan Sankaran, an assistant professor of chemical engineering at the Case School of Engineering, and Wei Hung Chiang, who received his doctorate degree in chemical engineering in May.
Single walled carbon nanotubes, made of a cheap and abundant material, have so much potential because their function changes when their atomic level structure, referred to as chirality, changes.
But for all their promise, building tubes with the right structure has proven a challenge.
Sankaran and Chiang mixed metals commonly used to grow nanotubes and found that the composition of the catalyst can control the chirality.
“We have established a link between the structure of a catalyst and the chirality of carbon nanotubes,” Sankaran said.
“Change the catalyst structure by varying its composition, and you can begin to control the chirality of the nanotubes and their electrical and optical properties,” he added.
...New York - Proposed Fund Would Create Energy-Saving Home Loans ...
New York - Middle-class New Yorkers may soon be able to hire contractors to do $13,000 worth of home improvements like adding insulation and buying new furnaces, storm windows and water heaters - and never cut a check to the contractor.
The innovative bill awaiting action by Gov. David Paterson would create a revolving loan fund that allows consumers to pay off the project costs over time through their residential and business utility bills, benefiting at the same time from savings from the energy efficiencies. Contractors would be paid from the loan fund, which the Legislature wants to prime with $112 million of state proceeds from selling carbon emission permits to businesses that pollute.
It won't start this winter. Passed recently by the Senate 50-8, the bill gives the New York State Energy Research and Development Authority six months to start the program.
...News
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