A process with a negative change in enthalpy and a negative change in entropy will generally be: a. spontaneous
b. spontaneous above a certain temperature
c. spontaneous below a certain temperature
d. nonspontaneous

What is the polyatamic ion of thiosulfate

May someone me with these science questions

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98