Please help, Force, Acceleration, and Mass. Thank you!!

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius