What is the number of moles of solute in 250 mL of a 0.4M solution? a. 0.1 mol
c. 0.62 mol
b. 0.16 mol
d. 1.6 mol

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal