If the smallest markings on a ruler are one tenth (1/10) of a centimeter, which of the following measurements could be recorded using that ruler?

A. 2.5 cm

B. 2.52 cm

C. 2.520 cm

D. 2.5200 cm

How do the number and kind of atoms in the reactants compare to the number and kind of atoms in the products

Which one is a true statement about endothermic reactions? A. I need you from an outside source is continuously being added. B. Reaction container always feels hot. C. The reactants have less heat energy and the products. D.

Which of these is a heterogeneous mixture? a. air b. soil c. steel d. salt water

Which instrument would be used to measure the volume of a small jar of juice?

As a star increases in brightness, which value becomes smaller? A. density B. magnitude C. temperature D. luminosity

A 20% solution of KCl has a mass of 400 g what mass of KCl is contained in this solution

A fire extinguisher is labeled b-i. what type of fire will be put out by this extinguisher?

The capacity of an eye dropper would be a few a kilometers be leiters C deciliters d milliluters

2C 2 H 6 + 7O 2 * **>4CO 2 + 6H 2 O if 7.0 g of C 2 H 6 react with 18 g of O 2, how many grams of water will be produced

22 days converted into how many seconds?