For the solution description, select the correct characterization from the response list: [OH-] = 3.0 *10-6 M

A. an acid.

B. a base.

C. neutral.

*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

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2