How many moles are in 26.4 grams of lithium

Is it true that a compound is different from the elements that reacted to from it?

Examine the reaction C 3 H 8 + 5O2->3CO 2 + 4H 2 O. If the reaction starts with 2.5g C 3 H 8 what is the theoretical yield of water? If the reactant yields 75 % of the theoretical yield of water, how many grams of water were produced?

To be "immune" means what? A. That you are infected B. That you are bald C. That you are more likely to get sick D. That you are protected

0.25 miles of sodium chloride is dissolved to make 0.05 liters of solution. What is the molarity A: 2 M B: 5 M C: 4 M D: 3 M

2. On a summer day, you take a road trip through Moses Lake, WA, in a sports car. You start out at a temperature of 21°C in the morning, but the temperature in Moses Lake will reach a peak of 55°C. Each tire on your car holds 15.

Is human cloning forbidden and why?

What do we beileve is at the center of the milky way A) two stars that have collided together B) a cluster of stars C) A black hole D) A collapsed planet

Why is science important?

5.4x10^3x1.2 x 10^7 in scientific notation

Why dont we use words like prove or does not prove in science