The human eye is able to detect as little as 2.35x10^18

The following reaction is done at STP: C (s) + 2H2 (g) = CH4 (g) If the reaction produces 145 liters of CH4, how many liters of H2 were consumed?

Nitrogen has an electronegativity of 3.0, and hydrogen has an electronegativity of 2.1. Which describes the bond between nitrogen and hydrogen? nonpolar very polar covalent ionic moderately polar covalent

In the early 1700s scientists understood the composition of air.

What is the formula mass of ferric sulphate, Fe2 (SO4) 3?

In the electron cloud model, if you begin at the electron shell closest to the nucleus of an atom and move out, what is the number of electrons that each energy level or electron shell needs to fill the first four electron shells? A. 2, 6, 10, 14 B.

Sodium can achieve greater stability in its valence shell by

Resonance in air columns is used in which of these musical Instruments?

A student prepared a standard stock copper (II) sulfate solution with an absorbance value of 0.862. The student then decided to prepare a second solution containing copper (II) sulfate from the standard stock solution.

How do the results for methane compare to those for butane? does your experimental data verify charles's law?

How many grams of naoh would be needed to make 0.50 l of a 1.25 molar naoh solution? 2.5 grams 16 grams 25 grams 12 grams?