What is an enzyme? 1
A catalyst that breaks down
large molecules
2
A catalyst that speeds up a
reaction
3
A biological catalyst / substance
that speeds up chemical
reactions

Which statement is best described as a atom

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?