Gr 10 Physical Sciences Ch 10: Law of constant composition

<p>It predicts the outcomes of reactions involving gases.</p> Signup and view all the answers

<p>A chemical compound is always composed of the same elements in the same ratio.</p> Signup and view all the answers

<p>The consistent and predictable nature of chemical behavior.</p> Signup and view all the answers

<p>Elements always combine in the same fixed proportion by mass.</p> Signup and view all the answers

<p>2:1</p> Signup and view all the answers

<p>94%</p> Signup and view all the answers

<p>Gay-Lussac's Law</p> Signup and view all the answers

<p>Same temperature and pressure</p> Signup and view all the answers

<p>Water vapor</p> Signup and view all the answers

<p>The ratio of hydrogen to oxygen is different</p> Signup and view all the answers

<p>1 volume of nitrogen gas reacts with 3 volumes of hydrogen gas</p> Signup and view all the answers

<p>Ensuring consistency and purity in chemical manufacturing</p> Signup and view all the answers

<p>Simplifying stoichiometric calculations in gas reactions</p> Signup and view all the answers

<p>The predictable and consistent nature of chemical behavior</p> Signup and view all the answers

<p>It emphasizes the fixed nature of chemical formulas</p> Signup and view all the answers

<p>To provide a foundation for further studies and applications in chemistry</p> Signup and view all the answers

<p>Elements combine in a fixed proportion by mass.</p> Signup and view all the answers

<p>94% oxygen, 6% hydrogen</p> Signup and view all the answers

<p>Two volumes of water vapor</p> Signup and view all the answers

<p>All gases must be measured at the same temperature and pressure.</p> Signup and view all the answers

<p>The ratio is 2:1 in water and 1:1 in hydrogen peroxide.</p> Signup and view all the answers

<p>It allows for the prediction of the volume of gaseous products.</p> Signup and view all the answers

<p>Hydrogen peroxide</p> Signup and view all the answers

<p>The principle of definite proportions.</p> Signup and view all the answers

<p>A sample of a compound always contains the same elements in the same ratio.</p> Signup and view all the answers

<p>It allows for the prediction of the outcomes of reactions involving gases.</p> Signup and view all the answers

<p>Ensuring consistency and purity in chemical manufacturing.</p> Signup and view all the answers

<p>One deals with the composition of compounds, while the other deals with the volumes of gases.</p> Signup and view all the answers

<p>N2(g) + 3H2(g) → 2NH3(g)</p> Signup and view all the answers

<p>They underscore the predictable and consistent nature of chemical behavior.</p> Signup and view all the answers

<p>The mass ratio of elements in a compound is always fixed</p> Signup and view all the answers

<p>It relates the volumes of reactant gases to the volumes of product gases</p> Signup and view all the answers

<p>1:1</p> Signup and view all the answers

<p>All gases must be measured at the same temperature and pressure</p> Signup and view all the answers

<p>It determines the mass ratio of elements in a compound</p> Signup and view all the answers

<p>Two volumes of water vapor</p> Signup and view all the answers

<p>Predicting the volume of gaseous products in a reaction</p> Signup and view all the answers

<p>The Law of Constant Composition deals with the mass ratio of elements, while the Law of Combining Volumes deals with the volume ratio of gases</p> Signup and view all the answers

<p>To understand the fixed nature of chemical formulas</p> Signup and view all the answers

<p>Predicting the outcomes of reactions involving gases</p> Signup and view all the answers

<p>They both highlight the predictable and consistent nature of chemical behavior</p> Signup and view all the answers

<p>To ensure consistency and purity in chemical manufacturing</p> Signup and view all the answers

<p>To understand the fixed nature of chemical formulas and predict the outcomes of reactions involving gases</p> Signup and view all the answers