36. Brand B antacid contains the acid-neutralizing agent sodium hydrogen carbonate. Write the chemical formula for sodium hydrogen carbonate. [1] 37. Write the formula for yttrium hydroxide. [1] 38. Write the chemical formula for sodium nitrate. [1]
36. Brand B antacid contains the acid-neutralizing agent sodium hydrogen carbonate. Write the chemical formula for sodium hydrogen carbonate. [1] 37. Write the formula for yttrium hydroxide. [1] 38. Write the chemical formula for sodium nitrate. [1]
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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![2C-9 Electronegativity
Electrons are shared.
36. Brand B antacid contains the acid-neutralizing agent
sodium hydrogen carbonate. Write the chemical formula
for sodium hydrogen carbonate. [1]
d
(1) electronegativity
(2) ionization energy
39. The strength of an atoms attraction for the electrons
in a chemical bond is the atoms
2C-9 Electronegativity
(2 Questions)
Electronegativity a measure of attraction for electrons
41. Which set of procedures and observations indicates a
chemical change?
(1) Ethanol is added to an empty beaker and the
ethanol eventually disappears.
(2) A solid is gently heated in a crucible and the solid
slowly turns to liquid.
(3) Large crystals are crushed with a mortar and
pestle and become powder.
(4) A cool, shiny metal is added to water in a beaker
and rapid bubbling occurs.
(3) evaporation of water
(4) crystallization of sugar
42. Which process represents a chemical change?
(1) melting of ice
(2) corrosion of copper
O
2D-1 Chemical Change (23 Questions)
A chemical reaction occurred forming new substance(s) with new properties is(are) formed.
O
Decomposes, combines, burns, reacts
Elements cannot be broken down by chemical change (See C1F-1)
Use the reference table if you are unsure if a substance is an element or not.
46. Which diagram represents a physical change, only?
Key
=an atom of an element
=an atom of a different element
o o
O
(2 Questions)
O
(1)
-
(2)
aft
(3) heat of reaction
(4) heat of formation
.
O O
2D-2 Physical Change (3 Questions)
Different form of the same substance.
Melts, vaporizes, sublimes, freezes, condenses, filters, grinds, mixes, tears, rips
●
O
O.
8
Grover Cleveland High School
00
another atom.
37. Write the formula for yttrium hydroxide. [1]
(3)
38. Write the chemical formula for sodium nitrate. [1]
C
bonded to another atom.
40. Which term indicates how strongly an atom attracts
the electrons in a chemical bond?
(1) alkalinity
(2) atomic mass
43. Which substance can be decomposed by chemical
means?
(1) aluminum
(2) octane
(3) electronegativity
(4) activation energy
(1) ammonia
(2) argon
44. Which substance can not be broken down by a
chemical reaction?
(3) silicon
(4) xenon
(3) methane
(4) water
45. Which substance can not be decomposed by a chemical
change?
(1) Ne
(2) N₂O
Topic 2 Study Guide
(3) HF
(4) H₂O
47. Which equation represents a physical change?
(1) H₂O(s) + 6.01 kJ
→ H₂O(l)
(2) 2H2(g) + O2(g) → 2H₂O(g) + 483.6 kJ
(3) H₂(g) + 12(g) + 53.0 kJ
→ 2HI(g)
(4) N₂(g) + 2O2(g) + 66.4 kJ → 2NO2(g)
8-05
Page 17
-OS
AND](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1453fc0-db8d-487b-8b17-7bc2353db69e%2F35fd8e42-5869-404e-8b38-c2961454cb3e%2Facin9f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2C-9 Electronegativity
Electrons are shared.
36. Brand B antacid contains the acid-neutralizing agent
sodium hydrogen carbonate. Write the chemical formula
for sodium hydrogen carbonate. [1]
d
(1) electronegativity
(2) ionization energy
39. The strength of an atoms attraction for the electrons
in a chemical bond is the atoms
2C-9 Electronegativity
(2 Questions)
Electronegativity a measure of attraction for electrons
41. Which set of procedures and observations indicates a
chemical change?
(1) Ethanol is added to an empty beaker and the
ethanol eventually disappears.
(2) A solid is gently heated in a crucible and the solid
slowly turns to liquid.
(3) Large crystals are crushed with a mortar and
pestle and become powder.
(4) A cool, shiny metal is added to water in a beaker
and rapid bubbling occurs.
(3) evaporation of water
(4) crystallization of sugar
42. Which process represents a chemical change?
(1) melting of ice
(2) corrosion of copper
O
2D-1 Chemical Change (23 Questions)
A chemical reaction occurred forming new substance(s) with new properties is(are) formed.
O
Decomposes, combines, burns, reacts
Elements cannot be broken down by chemical change (See C1F-1)
Use the reference table if you are unsure if a substance is an element or not.
46. Which diagram represents a physical change, only?
Key
=an atom of an element
=an atom of a different element
o o
O
(2 Questions)
O
(1)
-
(2)
aft
(3) heat of reaction
(4) heat of formation
.
O O
2D-2 Physical Change (3 Questions)
Different form of the same substance.
Melts, vaporizes, sublimes, freezes, condenses, filters, grinds, mixes, tears, rips
●
O
O.
8
Grover Cleveland High School
00
another atom.
37. Write the formula for yttrium hydroxide. [1]
(3)
38. Write the chemical formula for sodium nitrate. [1]
C
bonded to another atom.
40. Which term indicates how strongly an atom attracts
the electrons in a chemical bond?
(1) alkalinity
(2) atomic mass
43. Which substance can be decomposed by chemical
means?
(1) aluminum
(2) octane
(3) electronegativity
(4) activation energy
(1) ammonia
(2) argon
44. Which substance can not be broken down by a
chemical reaction?
(3) silicon
(4) xenon
(3) methane
(4) water
45. Which substance can not be decomposed by a chemical
change?
(1) Ne
(2) N₂O
Topic 2 Study Guide
(3) HF
(4) H₂O
47. Which equation represents a physical change?
(1) H₂O(s) + 6.01 kJ
→ H₂O(l)
(2) 2H2(g) + O2(g) → 2H₂O(g) + 483.6 kJ
(3) H₂(g) + 12(g) + 53.0 kJ
→ 2HI(g)
(4) N₂(g) + 2O2(g) + 66.4 kJ → 2NO2(g)
8-05
Page 17
-OS
AND
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