How many moles are in a 12.0 g sample of Fe2O3?

A sample of gas has a volume of 12,000 ml and a pressure of 1.00 atm. If the pressure of gas is increased to 2.00 atm, What is the new volume of gas?

Personal talents are only things that you could do for a talent show. A. True B. False

How many moles of sulfuric acid (H2SO4) are needed to react completely with 6.8 moles of lithium hydroxide (LiOH) ? 2LiOH + H2SO4 → Li2SO4 + 2H2O A) 3.4 mol H2SO4 B) 6.8 mol H2SO4 C) 10.2 mol H2SO4 D) 13.6 mol H2SO4 answer: A) 3.4 mol H2SO4

Which of the following abiotic factors would likely affect humans directly? soil pH humidity number of sunny days water availability

Is there any correlation between hardness and density of minerals?

Which question cannot be explained by chemistry? A. How does yeast make bread dough rise? B. Why does sugar dissolve faster in hot water? C. How does a convection oven cook food? D. Why do peeled apples turn brown in air?

Mendel identified a combination of "factors" inherited from each parent called a?

In the lab, felipe has two solutions that contain alcohol and is mixing them with each other. he uses twice as much solution a as solution b. solution a is 12% alcohol and solution b is 15% alcohol.

What is the IUPAC nomenclature for K2FECN5CO

What is the volume of the sphere? Round your answer to the nearest tenth. cm