ZIKARRIA WILSON - Chemical Math RCA 7 Post-test.pdf - Post...

This preview shows page 1 out of 1 page.

Post TestChemical Math1.Which of the following represents a chemical change in matter?A.converting water to the gases hydrogen and oxygenB.changing water from ice to liquid to steamC.weathering of rocksD.dissolving salt in water
© 2007-2010 Pitsco Education• This page may be photocopied for use only within the classroom.MO•0299•1110•05
2.What factor determines the atomic mass of an element?
3.How is the number 0.000065 expressed in scientific notation?
4.One mole of ethane contains how many molecules? (Ethane: C2H6)
5.Which of the following is a correct statement of the law of conservation of mass?A. Matter can neither be created nor destroyed.B. Energy can neither be created nor destroyed.
End of preview. Want to read the entire page?

Upload your study docs or become a

Course Hero member to access this document

Term
Summer
Professor
Kuhnert
Tags
Atom, following equation, D Products

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture