CHM101 Final Exam
1.00 mol of neon has a mass of - ANS-20.2 g
12 is what percent of 36? - ANS-33%
The identical distance as - ANS-zero.0521 m is 5.21 cm. The mass of eight.60 mol of water is -
ANS-155 g. A __ electrolyte completely dissociates into ions, while a __ electrolyte partly
dissociates into ions - ANS-Strong; weak
A 1.26 g pattern of He gasoline has a stress of zero.123 atm and a extent of 32.6 L. What is
the temperature of the pattern, in C? - ANS--118 C
A balloon is packed with helium fuel. Choose the letter of the balloon diagram that first-class
describes the given exchange in situations for the following question. The balloon is placed into
a chamber whose stress is much less than the atmospheric strain and at atmospheric
temperature - ANS-Balloon C
A ANS-Polar covalent bond would exist among C and F. A chemical equation is balanced when
- ANS-The variety of atoms of every detail is the equal in both the reactants and merchandise
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial stress of cyclopropane
within the aggregate is 334 mmHg and the partial strain of the oxygen is 1.02 atm, what is the
entire pressure of the combination in torr? - ANS-1110 torr
A glazed doughnut incorporates 22 g of carbohydrate, 12 g of fat, and a couple of g of protein.
How many kilojoules of strength does the glazed doughnut comprise? (The commonplace
caloric values for foods are 17 kJ/g for carbohydrate, 38 kJ/g for fats, and 17 kJ/g for protein.)
Round the solution to the tens area. - ANS-860 kJ
A heating curve illustrates - ANS-The adjustments inside the temperature and bodily nation of a
substance as it's far heated
A molecule has a critical atom and three same bonds to other atoms, with no lone pairs. The
form of this molecule is - ANS-Trigonal planar
A nugget of gold with a mass of 521 g is introduced to 50.0 mL of water. The water stage rises
to a extent of 77.Zero mL. What is the density of the gold? - ANS-19.Three g/mL
A polar covalent bond is determined wherein of these compounds? - ANS-H2O
A inflexible ball that contained 25.Zero liters of air at 22 C and 6.25 atm stress changed into
located in an oven at a temperature of one hundred C. What turned into the brand new
pressure in the ball? - ANS-7.90 atm
A pattern of chlorine has two naturally taking place isotopes. The isotopes CI-35 (mass
35.Zero amu) makes up 75.Eight% of the pattern, and the isotope CI-37 (mass = 37.0 amu)
makes up 24.Three% of the sample. What is the common atomic mass for chlorine? -
ANS-35.5 amu
A solution with a pH of four is - ANS-Moderately acidic
A temperature of 85 F is __ K - ANS-302
According to the Arrhenius idea, if HNO3 were dissolved in water, it might act as - ANS-An acid
According to the Bronsted-Lowry definition, - ANS-A base is a proton acceptor
According to the Pauli exclusion precept, any orbital can hold at maximum __ electrons -
ANS-2
An ionic compound - ANS-Has a internet price of 0
, At 570 mmHg and 25 C, a gas sample has a extent of 2270 mL. What is the very last stress (in
mmHg) at a quantity of 1250 mL and a temperature of one hundred seventy five C? - ANS-1560
mmHg
Atomic emission spectra are because of electrons - ANS-In an atom dropping from one
electricity stage to a lower one
Based on electronegativity variations, which bond is a polar covalent bond? - ANS-C--O
Calcium chloride incorporates what percentage calcium by means of mass? - ANS-36.1%
Consider a impartial atom with 30 protons and 34 neutrons. The atomic range of the detail is -
ANS-30
Consider the concentrations for both H3O+ and OH-. Which set of concentrations might result
in a neutral solution at 25 C? - ANS-[H3O+] = 1.Zero x 10^-7 M [OH-] = 1.0 x 10^-7 M
Consider the heating curve for water. Which of the following may be represented with the aid of
a horizontal line in a heating curve? - ANS-Liquid water is converted into steam at its boiling
factor
Elements in organization 2A(2) of the period table for ions with a charge of - ANS-2+
Exam 1 - ANS-
Exam 2 - ANS-
Exam 3 - ANS-
Fe2(SO4)3 is referred to as - ANS-Iron (III) sulfate
For the equation 4x + 2 = 10, x equals - ANS-2
For the following question(s), refer to the following response, which isn't yet balanced. CH4(g)+
O2 (g)→ CO2 (g)+ H2O(g)
If zero.240 mol of methane reacts absolutely with oxygen, what is the final yield of H2O in
moles? - ANS-zero.480 mol
For the unbalanced equation, what's the coefficient for CO2?
? C5H8 (l) + ? O2 (g) → ? CO2 (g) + ? H2O (g) - ANS-five
Given the subsequent equation, what's the best form of the conversion thing had to convert the
range of moles of O2O2 to the wide variety of moles of FeFe reacted?
4FeFe(s) + 3O2O2(g) → 2Fe2O3Fe2O3(s) - ANS-4 mol Fe/three mol O2
How many covalent bonds will a hydrogen atom usually make? - ANS-1
How many grams of sodium chloride are required to make 2.00 L of an answer with a attention
of zero.One hundred M? - ANS-eleven.7 g
How many H atoms are in 6.022 x 10^23 molecules of water? - ANS-1.204 x 10^24
How many kilojoules are required to elevate the temperature of a 25.Zero g pattern of iron from
25 C to 35.0 C? Iron has a particular warmth of zero.450 J/g C - ANS-0.113kJ
How many moles of water, H2O, are found in 75.Zero g H2O? - ANS-four.Sixteen mol
Identify the Bronsted-Lowry acid within the following response.
H2O(l) + CO32-(aq) → HCO3-(aq) + OH-(aq) - ANS-H2O
In a __ response, or extra factors or compounds integrate to form one product -
ANS-Combination
In a molecule with covalent bonding, - ANS-Atoms are held together via sharing electrons
In a solution, the solvent - ANS-Can be a solid, liquid, or fuel
In an atom, the nucleus includes - ANS-All the protons and neutrons
1.00 mol of neon has a mass of - ANS-20.2 g
12 is what percent of 36? - ANS-33%
The identical distance as - ANS-zero.0521 m is 5.21 cm. The mass of eight.60 mol of water is -
ANS-155 g. A __ electrolyte completely dissociates into ions, while a __ electrolyte partly
dissociates into ions - ANS-Strong; weak
A 1.26 g pattern of He gasoline has a stress of zero.123 atm and a extent of 32.6 L. What is
the temperature of the pattern, in C? - ANS--118 C
A balloon is packed with helium fuel. Choose the letter of the balloon diagram that first-class
describes the given exchange in situations for the following question. The balloon is placed into
a chamber whose stress is much less than the atmospheric strain and at atmospheric
temperature - ANS-Balloon C
A ANS-Polar covalent bond would exist among C and F. A chemical equation is balanced when
- ANS-The variety of atoms of every detail is the equal in both the reactants and merchandise
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial stress of cyclopropane
within the aggregate is 334 mmHg and the partial strain of the oxygen is 1.02 atm, what is the
entire pressure of the combination in torr? - ANS-1110 torr
A glazed doughnut incorporates 22 g of carbohydrate, 12 g of fat, and a couple of g of protein.
How many kilojoules of strength does the glazed doughnut comprise? (The commonplace
caloric values for foods are 17 kJ/g for carbohydrate, 38 kJ/g for fats, and 17 kJ/g for protein.)
Round the solution to the tens area. - ANS-860 kJ
A heating curve illustrates - ANS-The adjustments inside the temperature and bodily nation of a
substance as it's far heated
A molecule has a critical atom and three same bonds to other atoms, with no lone pairs. The
form of this molecule is - ANS-Trigonal planar
A nugget of gold with a mass of 521 g is introduced to 50.0 mL of water. The water stage rises
to a extent of 77.Zero mL. What is the density of the gold? - ANS-19.Three g/mL
A polar covalent bond is determined wherein of these compounds? - ANS-H2O
A inflexible ball that contained 25.Zero liters of air at 22 C and 6.25 atm stress changed into
located in an oven at a temperature of one hundred C. What turned into the brand new
pressure in the ball? - ANS-7.90 atm
A pattern of chlorine has two naturally taking place isotopes. The isotopes CI-35 (mass
35.Zero amu) makes up 75.Eight% of the pattern, and the isotope CI-37 (mass = 37.0 amu)
makes up 24.Three% of the sample. What is the common atomic mass for chlorine? -
ANS-35.5 amu
A solution with a pH of four is - ANS-Moderately acidic
A temperature of 85 F is __ K - ANS-302
According to the Arrhenius idea, if HNO3 were dissolved in water, it might act as - ANS-An acid
According to the Bronsted-Lowry definition, - ANS-A base is a proton acceptor
According to the Pauli exclusion precept, any orbital can hold at maximum __ electrons -
ANS-2
An ionic compound - ANS-Has a internet price of 0
, At 570 mmHg and 25 C, a gas sample has a extent of 2270 mL. What is the very last stress (in
mmHg) at a quantity of 1250 mL and a temperature of one hundred seventy five C? - ANS-1560
mmHg
Atomic emission spectra are because of electrons - ANS-In an atom dropping from one
electricity stage to a lower one
Based on electronegativity variations, which bond is a polar covalent bond? - ANS-C--O
Calcium chloride incorporates what percentage calcium by means of mass? - ANS-36.1%
Consider a impartial atom with 30 protons and 34 neutrons. The atomic range of the detail is -
ANS-30
Consider the concentrations for both H3O+ and OH-. Which set of concentrations might result
in a neutral solution at 25 C? - ANS-[H3O+] = 1.Zero x 10^-7 M [OH-] = 1.0 x 10^-7 M
Consider the heating curve for water. Which of the following may be represented with the aid of
a horizontal line in a heating curve? - ANS-Liquid water is converted into steam at its boiling
factor
Elements in organization 2A(2) of the period table for ions with a charge of - ANS-2+
Exam 1 - ANS-
Exam 2 - ANS-
Exam 3 - ANS-
Fe2(SO4)3 is referred to as - ANS-Iron (III) sulfate
For the equation 4x + 2 = 10, x equals - ANS-2
For the following question(s), refer to the following response, which isn't yet balanced. CH4(g)+
O2 (g)→ CO2 (g)+ H2O(g)
If zero.240 mol of methane reacts absolutely with oxygen, what is the final yield of H2O in
moles? - ANS-zero.480 mol
For the unbalanced equation, what's the coefficient for CO2?
? C5H8 (l) + ? O2 (g) → ? CO2 (g) + ? H2O (g) - ANS-five
Given the subsequent equation, what's the best form of the conversion thing had to convert the
range of moles of O2O2 to the wide variety of moles of FeFe reacted?
4FeFe(s) + 3O2O2(g) → 2Fe2O3Fe2O3(s) - ANS-4 mol Fe/three mol O2
How many covalent bonds will a hydrogen atom usually make? - ANS-1
How many grams of sodium chloride are required to make 2.00 L of an answer with a attention
of zero.One hundred M? - ANS-eleven.7 g
How many H atoms are in 6.022 x 10^23 molecules of water? - ANS-1.204 x 10^24
How many kilojoules are required to elevate the temperature of a 25.Zero g pattern of iron from
25 C to 35.0 C? Iron has a particular warmth of zero.450 J/g C - ANS-0.113kJ
How many moles of water, H2O, are found in 75.Zero g H2O? - ANS-four.Sixteen mol
Identify the Bronsted-Lowry acid within the following response.
H2O(l) + CO32-(aq) → HCO3-(aq) + OH-(aq) - ANS-H2O
In a __ response, or extra factors or compounds integrate to form one product -
ANS-Combination
In a molecule with covalent bonding, - ANS-Atoms are held together via sharing electrons
In a solution, the solvent - ANS-Can be a solid, liquid, or fuel
In an atom, the nucleus includes - ANS-All the protons and neutrons
