Asample consisting of n mol of an ideal gas undergoes a reversible isobaric expansion from volume vi to volume 3vi. find the change in entropy of the gas by calculating, ∫dq / t, where dq = ncpdt. (use the following as necessary: cp and n.)

What happens when an acid dissolves?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients