Chemical Reactions

Front

Which of the following is not evidence of a chemical reaction? Options: Formation of a precipitate, Production of gas, Change in temperature, Change in state of matter

Back

Change in state of matter

Front

A chemical reaction is...

Back

when a substance undergoes a change to form a new substance

Front

Translate the word equation: Liquid nitrogen and oxygen gas combine to form nitrogen monoxide gas.

Back

N_2(l) + O_2(g) → NO_(g)

Front

Aqueous

Back

dissolved in water/solution

Front

Mass cannot be ____ or _____. Options: made, changed, created, destroyed, rearranged, unmade, stagnant, unchanging

Back

created, destroyed

Front

Balance the equation: ____MgO + ____H₂O → ____Mg(OH)₂

Back

1,1,1

Front

What type of reaction is the following:
CH₄ + O₂ → CO₂ + 2H₂O
Options: double replacement, single replacement , combustion, synthesis

Back

combustion

Front

A precipitate is...

Back

a solid that falls out of a liquid solution

Front

Predict the products of the following equation: Mg + AgCl →

Back

MgCl₂ + Ag

Front

Predict the products of the reaction: Pb(NO₃)₂ + 2KI → 

Back

PbI₂ + K(NO₃)