The law of states that in all samples of the same chemical compound, the masses of the elements are always in the same proportions.
a. not listed
b. indefinite proportions
c. conservation of energy
d. definite proportions

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

In apex! a liquid heated beyond a certain temperature becomes

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