All scientists try to base their conclusions on?

expert opinions?

data and measurements?

evaluation of historical records?

popular opinion?

Question 1 Dr pepper has an [H+] = 1.4E-5. what is the pH

When deciding whom to invite to a party, you should consider which of the following? ages, interests, and favorites of guests time of the party the place the party is to be held all of the above

What is the term for a solid that forms when two liquids are mixed together? A. a reactant B. an energy source C. a precipitate D. a solute

Match the term with the definition. Match Term Definition Liquid A) charged particles that do not have a definite shape or volume Plasma B) takes the shape and volume of an entire container Solid C) assumes the shape of the part of the container

Identify the characteristics of earth that makes it a special place

Recycling one ton of paper is the equivalent of approximately how much of the following? a.) all of the below b.) 460 gallons of oil c.) 6950 gallons of water d.) 590 pounds of air pollution

What is the best way to compare a concentrated solution to a dilute solution, given the same volume of solution? A. The concentrated solution has less solute than the dilute solution. B.

What is the mass number of an isotope

A sample of sodium reacts completely with 0.284 kg of chlorine, forming 468 g of sodium chloride. What mass of sodium reacted?

Is it true or false that gamma rays have no mass and no electrical charge