Which of the following is NOT a way of making heat? A. turning on an electric light
B. eating a sandwich
C. rubbing sticks together
D. melting an ice cube

What volume would 2.25 moles of ne has occupy at stp?

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o