Name: Date:
Student Exploration: Balancing Chemical Equations
i i i i
Directions: iFollow ithe iinstructions ito igo ithrough ithe isimulation. iRespond ito itheiquestions
iand iprompts iin ithe iorange iboxes.
Vocabulary: icoefficient, icombustion, icompound, idecomposition, idouble ireplacement, ielement,
imolecule, iproduct, ireactant, isingle ireplacement, isubscript, isynthesis
Prior iKnowledge iQuestions i(Do ithese iBEFORE iusing ithe iGizmo.)
The iscouts iare imaking is’mores iout iof itoasted imarshmallows, ichocolate, iand igraham icrackers.
1. What iis iwrong iwith ithe iimage There are not ingredients shown to make the amount of smores
ibelow? shown
2. Assuming ia is’more irequires itwo igraham icrackers, ione imarshmallow, iand ione ipiece iof
ichocolate, ihow imany is’mores icould iyou imake iwith ithe iingredients ishown?
2
Gizmo iWarm-up
In ia ichemical ireaction, ireactants iinteract ito iform iproducts.
iThis iprocess iis isummarized iby ia ichemical iequation. iIn ithe
iBalancing iChemical iEquations iGizmo, ilook iat ithe ifloating
imolecules ibelow ithe iinitial ireaction: iH2 i+ iO2 i i H2O.
1. How imany iatoms iare iin ia ihydrogen imolecule i(H2)? 2
2. How imany iatoms iare iin ian ioxygen imolecule i(O2)? 2
3. How imany ihydrogen iand ioxygen iatoms iare iin ia iwater 3
imolecule i(H2O)?
4. In igeneral, iwhat idoes ia isubscript i(such ias ithe i“2” iin iH2) itell How
iyou iabout ithe imolecule? many
molec
ules
there
are
5. A ichemical iequation iis ibalanced iif ithe inumber iof ieach itype iof iatom ion ithe ileft iside iis iequalito
ithe inumber iof ieach itype ion ithe iright iside. iIs ithis ireaction ibalanced?
Student Exploration: Balancing Chemical Equations
i i i i
Directions: iFollow ithe iinstructions ito igo ithrough ithe isimulation. iRespond ito itheiquestions
iand iprompts iin ithe iorange iboxes.
Vocabulary: icoefficient, icombustion, icompound, idecomposition, idouble ireplacement, ielement,
imolecule, iproduct, ireactant, isingle ireplacement, isubscript, isynthesis
Prior iKnowledge iQuestions i(Do ithese iBEFORE iusing ithe iGizmo.)
The iscouts iare imaking is’mores iout iof itoasted imarshmallows, ichocolate, iand igraham icrackers.
1. What iis iwrong iwith ithe iimage There are not ingredients shown to make the amount of smores
ibelow? shown
2. Assuming ia is’more irequires itwo igraham icrackers, ione imarshmallow, iand ione ipiece iof
ichocolate, ihow imany is’mores icould iyou imake iwith ithe iingredients ishown?
2
Gizmo iWarm-up
In ia ichemical ireaction, ireactants iinteract ito iform iproducts.
iThis iprocess iis isummarized iby ia ichemical iequation. iIn ithe
iBalancing iChemical iEquations iGizmo, ilook iat ithe ifloating
imolecules ibelow ithe iinitial ireaction: iH2 i+ iO2 i i H2O.
1. How imany iatoms iare iin ia ihydrogen imolecule i(H2)? 2
2. How imany iatoms iare iin ian ioxygen imolecule i(O2)? 2
3. How imany ihydrogen iand ioxygen iatoms iare iin ia iwater 3
imolecule i(H2O)?
4. In igeneral, iwhat idoes ia isubscript i(such ias ithe i“2” iin iH2) itell How
iyou iabout ithe imolecule? many
molec
ules
there
are
5. A ichemical iequation iis ibalanced iif ithe inumber iof ieach itype iof iatom ion ithe ileft iside iis iequalito
ithe inumber iof ieach itype ion ithe iright iside. iIs ithis ireaction ibalanced?
