During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.
a) covalent
b) diatomic
c) ionic
d) metallic

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.