What happens as a roller-coaster car rises up the first hill of its track? A.
is potential energy increases.
B. Its kinetic energy increases.
O C. Its potential energy decreases.
D. Both its kinetic and potential energy decrease.
SUBMIT

Draw metallic bonding if two copper

What is the mass of 0.46 mol of mgcl2

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