Which type of reaction is nacl + agno3 → nano3 + agcl?

a. synthesis
b. decomposition
c. oxidation
d. replacement

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?