Unit 4-3 Chemical Reactions

[qwiz qrecord_id=”aglimme-Unit4-3″]

[q labels=”bottom”] Balance the following equation:

___PCl5(s) + ___H2O(l)___POCl3(l) + ___HCl(aq)

[l]1

[fx] No, that’s not correct. Please try again.

[f*] Great!

[l]2

[fx] No, that’s not correct. Please try again.

[f*] Great!

[l]3

[fx] No, that’s not correct. Please try again.

[f*] Great!

[l]4

[fx] No, that’s not correct. Please try again.

[f*] Great!

[q labels=”bottom”] Balance the following equation:

___Cu(s) + ___HNO3(aq)___Cu(NO3)2(aq) + ___H2O(l) + ___NO2(g)

[l]1

[fx] No, that’s not correct. Please try again.

[f*] Excellent!

[l]2

[fx] No, that’s not correct. Please try again.

[f*] Correct!

[l]3

[fx] No. Please try again.

[f*] Excellent!

[l]4

[fx] No, that’s not correct. Please try again.

[f*] Excellent!

[l]5

[fx] No. Please try again.

[f*] Great!

[l]6

[fx] No, that’s not correct. Please try again.

[f*] Great!

[q labels=”bottom”] Balance the following equation:

___Fe(s) + ___O2(g)___Fe2O3(s)

[l]1

[fx] No. Please try again.

[f*] Excellent!

[l]2

[fx] No, that’s not correct. Please try again.

[f*] Good!

[l]3

[fx] No, that’s not correct. Please try again.

[f*] Great!

[l]4

[fx] No. Please try again.

[f*] Correct!

[q labels=”bottom”] Balance the following equation:

___Ag(s)+___H2S(g)+___O2(g)___Ag2S(s)+___H2O(l)

[l]1

[fx] No, that’s not correct. Please try again.

[f*] Great!

[l]2

[fx] No, that’s not correct. Please try again.

[f*] Great!

[l]3

[fx] No. Please try again.

[f*] Great!

[l]4

[fx] No. Please try again.

[f*] Excellent!

[q labels=”bottom”]What is the Emperical formula for a compound that is 15.8% carbon and 84.2% sulfur.

 

[l]1

[fx] No. Please try again.

[f*] Good!

[l]2

[fx] No, that’s not correct. Please try again.

[f*] Correct!

[l]3

[fx] No. Please try again.

[f*] Good!

[l]4

[fx] No. Please try again.

[f*] Correct!

[/qwiz]