1) For the following reactions, prove the law of conservation of mass by: a) drawing the law of conservation of mass using the particle model b) finding the mass of the unknown substance (represented by X) by using the quantities recorded under the formulas c) list the reactants and the products for each of the reactions
1) For the following reactions, prove the law of conservation of mass by: a) drawing the law of conservation of mass using the particle model b) finding the mass of the unknown substance (represented by X) by using the quantities recorded under the formulas c) list the reactants and the products for each of the reactions
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Based on the solution and figures from the first image, please help me to do the second image.
Transcribed Image Text:1) This equation describes the synthesis of ammonia:
PRACTICE PROBLEMS
00
N2(g) + 3H2(g) → 2NH3(8)
a) Prove the law of conservation of mass using the particle model for the chemical change
represented above.
Legend: Nitrogen
00
N₂+ 3H₂→ 2NH3
=> Balanced
2) If 56g of nitrogen (N₂) is combined with hydrogen (H₂) and 68g of ammonia (NH3 ) is
produced, what mass of hydrogen was used?
N₂ + 3H₂ → 2NH3
68g
569
N: 2
N: 2 ✓
H: 6✓ H:6 V
Mass of hydrogen = 68-56
=129
o= Hydrogen
0=
✓
Transcribed Image Text:THE PARTICLE MODEL
1) For the following reactions, prove the law of conservation of mass by:
a) drawing the law of conservation of mass using the particle model
b) finding the mass of the unknown substance (represented by X) by using the quantities recorded
under the formulas
c) list the reactants and the products for each of the reactions
1) Burning coal:
Chemical equation: C +
6g
a
b
C
PRACTICE PROBLEMS THE LAW OF CONSERVATION OF MASS
a
Legend
C
→G
-0
Mass of CO2
389
Legend
b Mass of H₂O
0₂ ->> CO₂+ energy
32g
X
Molecular drawing:
Calculations:
2) Burning methane gas:
Chemical equation: CH4+202 → CO₂ + 2 H₂O + energy
15g 8g 10g
X
Molecular drawing:
6+32=389
Reactants C+02
Calculations:
Products
Reactants.
CO₂
X
Products
+
energy
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Step 1: Law of conservation of mass
VIEWStep 2: 1. Burning of coal - Molecular drawing
VIEWStep 3: 1. Burning of coal-Determination of mass of CO2 and identifying reactants and products
VIEWStep 4: 2. Burning methane gas-Molecular diagram
VIEWStep 5: 2. Burning methane gas-Determination of mass of water and identifying reactants and products
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