You have 20g of a buckyball. how many moles do you have

What is a mole ratio of Oxygen to Water?

Which group on the periodic table is more likely to form a covalent bond?

Urea spontaneous dissolves in water (to a high concentration). When urea dissolves in water, the solution cools before reaching thermal equilibrium with its surroundings. What can you say about the direction of change in the solution's entropy

What type of reaction occurs when two hydrogen atoms collide at high speed combining together into a helium atom: alpha decay, beta decay, fission, or fusion?

Match the element with its description. Match Term Definition Potassium A) Great conductor of heat and electricity Barium B) Malleable and highly reactive Boron C) Has properties of both metals and nonmetals Neon D) Nonreactive gas

How far is the Earth for the moon?

It is thought that organelles of eukaryotic organisms, such as mitochondria and chloroplasts (in plant cells) came from

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?