Ineed an answer asap

how many protons does tin-112 have?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+