Answer: <em>The reaction is an example of a metathesis reaction, which involves the exchange of ions between the Pb(NO3)2 and KI. The Pb+2 ends up going after the I- resulting in the formation of PbI2, and the K+ ends up combining with the NO3- forming KNO3.</em>
Explanation:
A). Calculation: Given mass of Au * 1mol of Au/molar mass of Au= # of moles
;
57.01 g Au*1 mole of Au/196.97g Au=0.3 moles of Au. So the answer is 0.3 moles of gold(Au). Good luck on the rest, and message me on Brainly if you need more help. I'll be happy to.
Answer:
They are arranged in two layers called a phospholipid bilayer; with a hydrophobic, interior and a hydrophilic, exterior.
<span>exergonic reactions release energy while endergonic reactions absorb energy</span>
Explanation:
A ruptured eardrum can result in hearing loss. It can also make your middle ear vulnerable to infections. A ruptured eardrum usually heals within a few weeks without treatment.