Balance this chemical equation
k₂s+ coci2 kcl + cos

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3