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sulfur dioxide- can irritate eyes and the respiratory tract, can cause lung damage and asthma and is a major component of smog nitrogen- can harm the respiratory system and damage the lungs allowing infections to occur. Asthma can be triggered by people who are sensitive to these gases, part of...

i think she was asking why postassium nitrate not another chemical not why would you use that salt bridge

OH - -1 SO4 - -2 SO3 - -2 CO3 - -2 PO4 - -3 NO3 - -1 NO2 - -1 CN - -1 NH4 - 1 HCO3 - -1 HSO4 - -1 HSO3 - -1 HPO4 - -2 H2PO4 - -1 what is a substitution reaction

Potassium ions (K+) and (NO3-) ions do not form insoluble precipitates with other ions, not sure if that is correct you will have to tell me if im right or wrong. what is the general formula for an alkane and an alkyne

alpha- too many protons and neutrons beta- neutron/proton ratio too high positron- neutron/proton ratio too low gamma-excess energy what is a free radical

got beaten again lol alpha can only penetrate few cm of air beta can only penetrate few mm or Al gamma can only penetrade several cm of Pb my question is above

dam got beaten. alkane has a single bond, alkene has a double bond, was that the answer you were looking for? my next question is above

photographic film, radiation exposes photographic film, the amount of darkening on the film is a good indicator of the amount of radiation present describe the effect of transition metal catalysts on the polymerisation process

an answer, anyone?

we all know the old one was crap, but what are your thoughts on the new one?

my sister recieved someone elses sc in her envelope as well

oh now i got beaten as you did ask a question lol. 1. The reactive double bonds between two of the monomers break 2. Two monomers join to produce a reactive dimer 3. This process is continued and builds up a chain describe the process of cracking

you forgot to ask a question

oh i feel so bad doing that to you twice lol

yeah thats what i thought, but i thought maybe someone may have an idea despite that

isotopes are atoms of the same element that have the same atomic number but different mass number, they have the same number of protons but different number of neutrons What is the main source of ethylene

like you see in other posts would it be possible to do one for english? if so how would it be done?

The activity series lists metals in order of decreasing activity. The series can be used to predict whether displacement reactions will occur between a metal and a metal ion in solution. As a rule a displacement reaction will occur spontaneously if the metal is more active than the metal that is...

What is AQIS, what is it's responsibility and how are these enforced? The Australian Quarantine and Inspection Services operates within the Department of Agriculture, Fisheries and Forestry and works with the Australian Customs Service, Aus Post and air courier firms as well as similar...

I have heard of some people subscribing to the economist and using these as a main study guide, what are your thoughts on this? does anyone hear subscribe to it? do you have to subscribe because i havent seen them for sale individually in newsagencies