Write a balanced equation for the reaction of aqueous solutions of potassium sulfide and hydrochloric acid.

K 2 S (aq) + 2 HCl (aq) → H 2 S (g) + 2 KCl (aq)

K 2 S (aq) + 2 HCl (aq) → 2 KH (aq) + SCl 2(g)

K 2 S (aq) + HCl (aq) → HS (g) + KCl (aq)

K 2 S (aq) + 2 HCl (aq) → 2 K (s) + H 2(g) + SCl 2(g)

Which statement explains the Law of Conservation of Matter?

Matter can neither be created nor destroyed in a chemical reaction.

In a chemical reaction, matter can only be destroyed.

In a chemical reaction, matter can only be created.

Matter can be created or destroyed in a chemical reaction.

Single Replacement Reactions

Authored by Renee Gilson

Chemistry

10th Grade - University

NGSS covered

Used 565+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the products of the following unbalanced reaction?
NaF + Cl₂ ->

NaCl + F₂

NaF₂ + Cl₂

Na + F₂ + Cl₂

no reaction

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Will the following reaction take place?
AuNO₃ + Li ->

yes

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will be the products when CuF₂ reacts with Li? Do not worry about balancing this.

LiF₂ + Cu

Li + Cu + F₂

F₂ + LiCu

LiF + Cu

Tags

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the coefficients for the balanced reaction:
_C₂H₄ + _O₂ -> _CO₂ + _H₂O

1, 2, 2, 2

1, 3, 2, 1

1, 3, 2, 2

1, 2, 2, 1

Tags

NGSS.HS-PS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be the solubility of potassium nitrate (KNO₃)?

Soluble - and thus labeled as (aq)

Insoluble - and thus labeled as (aq)

Soluble - and thus labeled as (s)

Insoluble - and thus labeled as (s)

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be the solubility of PbS (lead sulfide)?

Soluble - and thus labeled as (aq)

Insoluble - and thus labeled as (aq)

Soluble - and thus labeled as (s)

Insoluble - and thus labeled as (s)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be the solubility of BaI₂(barium iodide)?

Soluble - and thus labeled as (aq)

Insoluble - and thus labeled as (aq)

Soluble - and thus labeled as (s)

Insoluble - and thus labeled as (s)

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Single Replacement Reactions

What are the products of the following unbalanced reaction?
NaF + Cl₂ ->

Will the following reaction take place?
AuNO₃ + Li ->

What will be the products when CuF₂ reacts with Li? Do not worry about balancing this.

What are the coefficients for the balanced reaction:
_C₂H₄ + _O₂ -> _CO₂ + _H₂O

What would be the solubility of potassium nitrate (KNO₃)?

What would be the solubility of PbS (lead sulfide)?

What would be the solubility of BaI₂(barium iodide)?

Na + CaF₂ --> Ca + NaF

AgF + CaCl₂ --> AgCl + CaF₂

Mg₃(PO₄)₂ + H₂ --> Mg + H₃PO₄

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Single Replacement Reactions

What are the products of the following unbalanced reaction?NaF + Cl2 ->

Will the following reaction take place? AuNO3 + Li ->

What will be the products when CuF2 reacts with Li? Do not worry about balancing this.

What are the coefficients for the balanced reaction:_C2H4 + _O2 -> _CO2 + _H2O

What would be the solubility of potassium nitrate (KNO3)?

What would be the solubility of PbS (lead sulfide)?

What would be the solubility of BaI2 (barium iodide)?

Na + CaF2 --> Ca + NaF

AgF + CaCl2 --> AgCl + CaF2

Mg3(PO4)2 + H2 --> Mg + H3PO4

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Chemistry

What are the products of the following unbalanced reaction?
NaF + Cl₂ ->

Will the following reaction take place?
AuNO₃ + Li ->

What will be the products when CuF₂ reacts with Li? Do not worry about balancing this.

What are the coefficients for the balanced reaction:
_C₂H₄ + _O₂ -> _CO₂ + _H₂O

What would be the solubility of potassium nitrate (KNO₃)?

What would be the solubility of BaI₂(barium iodide)?

Na + CaF₂ --> Ca + NaF

AgF + CaCl₂ --> AgCl + CaF₂

Mg₃(PO₄)₂ + H₂ --> Mg + H₃PO₄