What is the mole ratio of oxygen to carbon dioxide in the following equation? C3H8 + 5O2 3CO2 + 4H2O

A) 2:2

B) 3:5

C) 5:3

D) 10:6

An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1?

CH3CH (C2H5) (CH2) 2 c (CH3) 2 c (C2H5) 2CH3 tentukan rantai utama dari senyawa karbon?

Finish this sentence: Lithium emits a red light when heated because ...

A compound held together by ionic bonds is called a salt covalent molecule diatomic molecule polar compound

A sample of nitrogen occupies a volume of 250 mL at 25.0 C. What volume will it occupy at 95 C. A. 310 ml B. 31 ml C. 950 ml D. 95 ml

Each enzyme has an optimal temperature and pH that it works best in. If enzyme ABC works best at pH 7, but ABC is in a cell with a pH of 9, will it catalyze more or less reactions?

What is the molarity of a solution that contains 5.0 moles of solute in 2.0 liters of solution?

Area immediately surrounding a hazardous material incident which extends far enough to protect personnel outside the zone from contamination.

What is the smallest part of a tree that can do all the things needed for life?

What are solid mixtures in a avarage class