In the electron transport chain, the main purpose of the we breathe is to keep electrons moving along from the first to the last chemical carrier.
a. atoms
b. nitrogen
c. oxygen
d. carbon dioxide

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]