Explain how the carbon cycle affects climate change(in your own words as detailed as possible)

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

‘which reaction would most likely require the use of an inert electrode?

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?