Which square (A, B, C, or D) represents the repeating subunit of the polymer shown? Т-0-0
-
-
Н Hн Hн Н Н Hн Н
С – С – С – С-с – С-с – с Hс – С-
Н CH, A CH,
,
ён, нан, Н
-
CH, H
н
3
A
В
С
D
р

The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol

What is a difference between a mixture of elements and a mixture of compounds