18. The Delta S for the reaction shown at 298 K is 0.003 00 kJ (mol•K). Calculate the Delta G for this reaction, and determine whether it will occur spontaneously
at 298 K.
C(s) + O2(g)——>
CO2(g)+ 393.51 kJ

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.