Which compound has the highest melting point? water (h2o) silicon carbide (sic), a network solid carbon dioxide (co2), a common gas octane (c8h18), a molecular compound

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

An observation that requires measurement is called quantitative observable or qualitative