Which number is the same as 8.7 x 10^-2?

A. 0.087

B. 0.08

C. 0.0087

D. 0.87

Which of the following best describes a pair of elements that will form an ionic bond

What would you use if you needed to determine the density of an object?

Which best describes what occurs when an object takes in a wave as the wave hits it? transmission absorption reflection refraction

A mixture of methane and air is used in a lime kiln. Explain why?

The Nuremberg War Crimes trials established the international legal precedent that (1) the United States will give refugee status to all victims of war (2) individuals who violate human rights can be held responsible for their actions (3) invaders

How many liters does the following number of atoms of helium take up? 9.42x10^22 atoms He

Why isn't biuret reagent required for determining the absorption spectrum of hemoglobin?

During which phase change does the arrangement of water molecules become more orderly A.) melting B.) subliming C.) boiling D.) condensing

What's the difference between Mixture and Solution?

Which describes the alkalaine solution? A) pH less than 7 B) pH equal to seven C) basic D) acidic