Which of the following is a true statement?
A.
If one mole of 39K has a mass of 39.1 grams, the mass of one atom of 39K is 39.1x1025 grams
B. If one atom of 12C has a mass of 12.0 amu, one mole of 12C atoms has a mass of 12 x 6.02 x 1023 grams.
C. If one atom of 223Fr has a mass of 223.0 amu, one mole of 223Fr has a mass of 223.0x 1023 amu.
D.
If one atom of 1271 has a mass of 126.9 amu, one mole of 1271 has a mass of 126.9 grams

How do you lengthen a pattern piece? (family and consumer science, sewing)

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2