When methane is burned in oxygen, carbon dioxide and water vapor are the products. since all the reactants and products are gases which are invisible, which of the following clues tell you that a chemical reaction has taken place

Which statement justifies that phosphine (ph3) is a polar molecule?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?