Which of the following equations demonstrates the Law of Conservation of Mass? (1 point)

5 answers

To determine which equation demonstrates the Law of Conservation of Mass, we need to look for an equation where the total mass of the reactants equals the total mass of the products.

For example, consider the reaction:

\[ \text{A} + \text{B} \rightarrow \text{C} + \text{D} \]

If we can assign specific masses to A and B (the reactants) and show that their total mass equals the total mass of C and D (the products), then this equation would demonstrate the Law of Conservation of Mass.

If you provide specific equations, I can help identify which one (if any) illustrates the Law of Conservation of Mass.

он + 200 ÷ 20 + іно о
0°Н +200 - °0 + 'но о
0%# + 200 < =0 + H0 о

It looks like the equations you provided contain a mix of symbols and characters that aren't clear in terms of chemical notation or mathematical expressions. If you intended to provide specific chemical equations or reactions to demonstrate the Law of Conservation of Mass, please rewrite them using standard chemical notation.

For example, an equation like:

\[ \text{C}6\text{H}{12} + 6 \text{O}_2 \rightarrow 6 \text{CO}_2 + 6 \text{H}_2\text{O} \]

demonstrates the Law of Conservation of Mass because the number and type of atoms on both sides of the equation are equal.

If you have specific equations in mind, please provide them again, and I'll help you analyze them!

CH4+O2->CO2+HO
CH4+O2->C+2H2O
CH4+O2->CO2+H2O
CH+O2->CO2+H2O

To determine which of the provided equations demonstrates the Law of Conservation of Mass, we need to check each equation to ensure that the number of atoms of each element on the reactants side (left) matches the number of atoms of each element on the products side (right).

Let's analyze each equation one by one.

  1. Equation 1: \[ \text{CH}_4 + \text{O}_2 \rightarrow \text{CO}_2 + \text{HO} \]

    • Reactants: 1 C, 4 H, 2 O
    • Products: 1 C, 1 H, 2 O (Note: "HO" is typically written as "H2O" to represent water)
    • Not balanced.
  2. Equation 2: \[ \text{CH}_4 + \text{O}_2 \rightarrow \text{C} + 2\text{H}_2\text{O} \]

    • Reactants: 1 C, 4 H, 2 O
    • Products: 1 C, 4 H, 2 O
    • Balanced. This equation demonstrates the Law of Conservation of Mass.
  3. Equation 3: \[ \text{CH}_4 + \text{O}_2 \rightarrow \text{CO}_2 + \text{H}_2\text{O} \]

    • Reactants: 1 C, 4 H, 2 O
    • Products: 1 C, 2 H, 3 O
    • Not balanced. (The H and O atoms do not match; we have 2 O in the product side but only 1 in the reactant side)
  4. Equation 4: \[ \text{CH} + \text{O}_2 \rightarrow \text{CO}_2 + \text{H}_2\text{O} \]

    • Reactants: 1 C, 1 H, 2 O
    • Products: 1 C, 2 H, 3 O
    • Not balanced. (H and O atoms do not match)

Conclusion: The equation that demonstrates the Law of Conservation of Mass is Equation 2:

\[ \text{CH}_4 + \text{O}_2 \rightarrow \text{C} + 2\text{H}_2\text{O} \]

This equation is balanced, meaning it adheres to the Law of Conservation of Mass, where the number of atoms of each element on the reactant side equals the number of atoms on the product side.