A sample of gas at STP has a volume of 250 ml, at what pressure (in kPa) will the new volume be 95ml at 0 ºC?( Answers must have a) formula b) substituted values c) final answer with correct units)

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What is the correct lewis structure for chloroform chcl3

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons