For the reaction 2C2H2+5O2--> 4 CO2+ 2H2O How many grams of oxygen are required to burn 13.0 grams of C2H2?

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

In a copper wire, a temperature increase is the result of which of the following

Consider the story you just read. all but one of the choices below indicate that something is living.