Predicting Outcomes in Chem

What are the products of this reaction?

Cu+ AgNO₃ -->

• Cu(NO₃)₂+Ag

• Cu + NO₃ + Ag

• CuAg+NO₃

• Cu+ AgNO₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

According to the activity series, which of the following single replacement reactions can occur?

• Ca + Al₂(SO₄)₃

• Fe + NaOH

• Ni + MgSO₄

• Al + KOH

What type of chemical reaction is this one?

Al(OH)₃ --> Al₂O₃ + H₂O

• Decomposition

• Combustion

• Synthesis

• Single Replacement

If an element is diatomic it should have a subscript of___

• 2, always
• 2, only when it is by itself
• it shouldn't have a subscript, it should have a coefficent

When sodium reacts with water a metal hydroxide and a gas will be produced. Which of the following is correct?

• NaOH and H₂O will be produced

• Na₂O + H₂ will be produced

• NaOH and H₂ will be produced

• NaOH will be produced

Tags

NGSS.HS-PS1-1

Based on the activity series, which metal could X represent in the reaction below?

X + Ca (NO₃)₂ --> Ca + X (NO₃)₂

• Sr

• Na

• Mg

• Zn

Tags

NGSS.HS-PS1-1

In writing a chemical equation that produces hydrogen gas, the correct representation of hydrogen gas is

• 2H
• OH
• H
• H₂

What type of reaction is this?

2 C₆H₁₄ + 19 O₂ --> 12 CO₂ + 14 H₂O

• Single Replacement

• Double Replacement

• Combustion

• Decomposition

What are the products of the reaction: MgCO₃ ->?

• MgCO_{3 +} O₂

• MgO ₊ O₂

• MgO₊ CO₂

• MgC ₊ O₂

Tags

NGSS.HS-PS1-2

What are the products of this reaction?

Zn(s) + H₂SO₄(aq) -->

• Zn(SO₄)₂ + H

• ZnSO₄ + H₂

• ZnSO₄ + H

• Zn₂SO₄ + H₂

• No reaction

Tags

NGSS.HS-PS1-1