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Chemistry Stoichiometry Problem

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Questions and Answers

What type of reaction occurs between Cr(NO3)3(aq) and CaSO4(aq)?

Precipitation Reaction (correct)

Neutralization Reaction

Oxidation-Reduction Reaction

Synthesis Reaction

What is the likely product of the reaction between Cr(NO3)3(aq) and CaSO4(aq)?

Cr2(SO4)3(aq) and CaNO3(aq)

Ca(NO3)3(aq) and CrSO4(s) (correct)

Cr2O3(aq) and CaO(aq)

CrSO4(aq) and Ca(NO3)2(aq)

What is the purpose of balancing a chemical equation?

To determine the type of reaction

To ensure that the number of atoms of each element is conserved (correct)

To predict the rate of reaction

To calculate the amount of products formed

What is the purpose of writing a word equation?

To determine the reactants and products of a reaction Signup and view all the answers

What is the benefit of predicting the products of a reaction?

It aids in the prediction of reaction outcomes Signup and view all the answers

What is the type of reaction that occurs between Cr(NO3)3(aq) and CaSO4(aq), and why is it classified as such?

Precipitation reaction. It is classified as such because the reaction involves the formation of an insoluble solid (precipitate) from two aqueous solutions. Signup and view all the answers

Predict the products of the reaction between Cr(NO3)3(aq) and CaSO4(aq), and explain your reasoning.

Cr2(SO4)3 and Ca(NO3)2. The reaction is a precipitation reaction, and the products are predicted based on the solubility rules and the ions present in the reactants. Signup and view all the answers

Explain the process of balancing the reaction between Cr(NO3)3(aq) and CaSO4(aq), and provide the balanced equation.

The process of balancing the reaction involves adjusting the coefficients of the reactants and products to ensure that the number of atoms of each element is equal on both sides of the equation. The balanced equation is Cr(NO3)3(aq) + 3CaSO4(aq) → Cr2(SO4)3(s) + 3Ca(NO3)2(aq). Signup and view all the answers

Write the word equation for the reaction between Cr(NO3)3(aq) and CaSO4(aq), and explain the significance of the word equation.

Chromium(III) nitrate and calcium sulfate react to form chromium(III) sulfate and calcium nitrate. The word equation is a written representation of the reaction, which helps to identify the reactants and products and to communicate the reaction clearly. Signup and view all the answers

What is the significance of predicting the products of a reaction, and how does it relate to the reaction between Cr(NO3)3(aq) and CaSO4(aq)?

Predicting the products of a reaction is significant because it allows us to understand the outcome of the reaction and to identify the substances formed. In the case of the reaction between Cr(NO3)3(aq) and CaSO4(aq), predicting the products helps us to identify the precipitate formed and the ions present in the solution. Signup and view all the answers

Study Notes

Chemical Reaction Analysis

The reaction is: Cr(NO₃)₃(aq) + CaSO₄(aq) → ?

Reaction Analysis Tasks

Identify the type of reaction: precipitation reaction
Predict the products: • Cr(NO₃)₃(aq) reacts with CaSO₄(aq) to form a precipitate • Possible products: Cr₂(SO₄)₃, Ca(NO₃)₂
Balance the reaction: need to balance the equation to determine the correct products
Write the word equation: Chromium(III) nitrate + Calcium sulfate → ?

Reaction Analysis

The reaction involves Cr(NO3)3 (aq) and CaSO4 (aq) as reactants.

Identifying the Type of Reaction

The reaction is a precipitation reaction, as it involves the formation of an insoluble solid (precipitate) from the combination of two aqueous solutions.

Predicting the Products

The products of the reaction are Cr(NO3)3 (s) and CaSO4 (s).
The reaction forms a precipitate, which is a solid that separates from the solution.

Balancing the Reaction

The balanced equation for the reaction is: Cr(NO3)3 (aq) + CaSO4 (aq) → Cr(NO3)3 (s) + CaSO4 (s)

Writing the Word Equation

The word equation for the reaction is: chromium(III) nitrate and calcium sulfate react to form chromium(III) nitrate and calcium sulfate.

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Description

Solve a stoichiometry problem by identifying the type of reaction, predicting the products, balancing the reaction, and writing the word equation for the given reactants Cr(NO3)3(aq) and CaSO4(aq).