At what temperature will the following reaction happen spontaneously, given that  δh  = 8.91×103  j/mol and δs  = –219.20 j/mol·k? caso4(s) + 2hcl(g) →  cacl2(s) + h2so4(l)

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

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas

Who discovered a pattern to the elements in 1869?