What Is a Chemical Reaction? — Overview & Examples
Read this topicExplanations 5
- A chemical reaction is a process in which chemicals interact to form new substances. You see chemical reactions everyday! Have you ever seen something made of metal develop rust…
By Lydia Kim, Jadon Grove, Gabi Slizewska, Eric Sears
- A+B→C+DA+B\rightarrow C+DA+B→C+D The generic chemical reaction\textit{The generic chemical reaction}The generic chemical reaction A chemical reaction changes the configuration o…
By Jasper Brown, Gabi Slizewska, Eric Sears
- Chemical reactions are often associated with experiments that happen in test tubes, but almost everything around you is the result of a chemical reaction. Simply put, a chemical…
By Adrien, Alex Federspiel, Gabi Slizewska, Eric Sears
- (Video) Types of Chemical Reactions by Melissa Maribel This quick video will teach you all you need to know about types of chemical reactions. Melissa goes over the following si…
By Mario Janakis, Gabi Slizewska
- ###Chemical Reactions When a chemical reaction happen, something new is created from the starting materials. Everyday examples can occur in our kitchens! When a cake is baked, a…
By Cassie Gates, Gabi Slizewska
Problems 20
- Imagine you're walking through a park in October. The air is chilly and the brown leaves crunch underfoot. Which of the following is the result of chemical reactions?
- You're baking a chocolate cake for your friends birthday using a box of cake mix. Which step of the baking process involves a chemical reaction?
- Select the invalid chemical reaction
- Which side of the following chemical formula would you place "heat" on, knowing that this is an endothermic reaction? AB→A+BAB \rightarrow A + BAB→A+B?
- Which of the following needs to occur for a chemical reaction to happen?
- The (unbalanced) chemical equation CxHy+O2→CO2+H2OC_{x}H_{y} + O_{2} \rightarrow CO_{2} + H_{2}OCxHy+O2→CO2+H2O describes the reaction that takes place when something is li…
- Photosynthesis, or the process by which plants produce sugars, is described by the following reaction. 6CO2+6H2O+light→C6H12O6+6O26CO_{2} + 6H_{2}O + light \rightarrow C_{6}H_{1…
- When baking soda in a cake reacts with acid, it reacts according to the following chemical equation. NaHCO3+H+→Na++H2O+CO2NaHCO_{3} + H^{+} \rightarrow Na^{+} + H_{2}O + CO_{2}N…
- Examine the reaction below. TiCl4+2 H2O→TiO2+X HClTiCl_{4} + 2\text{ } H_{2}O → TiO_{2} + X\text{ } HClTiCl4+2 H2O→TiO2+X HCl What value of X is necessary in order for this t…
- When a reaction absorbs heat it is endothermic‾\underline{\phantom{endothermic}}endothermic
- Examine the reaction below. Ca(OH)2→CaX+2 OH−Ca(OH)_{2} \rightarrow Ca^{X}+2\text{ }OH^{-}Ca(OH)2→CaX+2 OH− What value of X is necessary in order for this to be a valid reaction?
- Which is not a requirement of a balanced chemical reaction?
- Below is written a nuclear reaction, 92238U→90234Th2−+24He2+^{238}_{92}\text{U}\rightarrow ^{234}_{90}\text{Th}^{2-}+^{4}_{2}\text{He}^{2+}92238U→90234Th2−+24He2+ For what re…
- A scientist mixes two chemicals in an Erlenmeyer flask. He observes that the flask becomes very cold. This reaction is endothermic‾\underline{\phantom{endothermic}}endothermic
- What is the maximum amount of reactants a reaction can have?
- A reaction that releases heat is called a(n) woah‾\underline{\phantom{woah}}woah reaction.
- Making bonds woah‾\underline{\phantom{woah}}woah energy.
- In the reaction A+B+C→C+DA + B + C \rightarrow C + DA+B+C→C+D, C is a(n) woah‾\underline{\phantom{woah}}woah.
- For the equilibrium reaction A+B⇌C+DA + B \rightleftharpoons C + DA+B⇌C+D, select all of the products of the backwards reaction.
- Which of the following occurs during chemical reactions? Select all that apply.