NMAT- Gen Chem Multiple Choice Question
and answers already passed
a. - correct answer ✔Which of the following compounds is the least soluble
given the Ksp values?
a. CuS, Ksp = 1.27 × 10-36
b. Agl, Ksp = 8.51× 10-17
c. AgCl, Ksp=1.77 × 10-10
d. AlPO4, Ksp = 9.8 × 10-21
B. - correct answer ✔Identify the Brønsted-Lowry acid in the following
equation, H_2 O+C_3 H_6 O^-→OH^-+C_3 H_7 O.
a. C_3 H_7 O
b. H_2 O
c. O^-
d. OH^-
D. - correct answer ✔In which of the following scenarios will a precipitate
form?
a. When a substance is insoluble in water.
b. When the ion product is larger than the solubility product.
c. If the equilibrium equation shifts to the left.
d. All the answers are correct.
B. - correct answer ✔Which of the following pairs of molecules would have
ion-dipole forces?
a. H2O and H2O
b. Na+ and H2O
c. Na+ and Cl-
, d. CO2 and CH4
A. - correct answer ✔Ions that contain multiple atoms are known as __ ions.
a. polyatomic
b. anions
c. multiatomic
d. cations
B. - correct answer ✔The ability of a solid to be dissolved in a given volume
of a solvent at a given temperature is known as _____.
a. spontaneity
b. solubility
c. condensation
d. vaporization
A. - correct answer ✔A 2.0 L container at 20oC contains a gaseous mixture
of H2 and He with a total pressure of 4 atm. The partial pressure exerted by
He is 2.4 atm. How many moles of H2 are in the container?
a. 0.13 mol H2
b. 0.33 mol H2
c. 1.9 mol H2
d. 0.26 mol H2
A. - correct answer ✔As heat energy is added to a cube of ice, it begins to
melt into liquid water. Which of the following correctly identifies the change in
temperature and the change in internal energy of the ice as heat is added to
it?
a. The temperature remains constant while the internal energy increases.
b. The temperature and the internal energy both remain constant.
c. The temperature increases while the internal energy remains constant.
d. The temperature and the internal energy both increase.
and answers already passed
a. - correct answer ✔Which of the following compounds is the least soluble
given the Ksp values?
a. CuS, Ksp = 1.27 × 10-36
b. Agl, Ksp = 8.51× 10-17
c. AgCl, Ksp=1.77 × 10-10
d. AlPO4, Ksp = 9.8 × 10-21
B. - correct answer ✔Identify the Brønsted-Lowry acid in the following
equation, H_2 O+C_3 H_6 O^-→OH^-+C_3 H_7 O.
a. C_3 H_7 O
b. H_2 O
c. O^-
d. OH^-
D. - correct answer ✔In which of the following scenarios will a precipitate
form?
a. When a substance is insoluble in water.
b. When the ion product is larger than the solubility product.
c. If the equilibrium equation shifts to the left.
d. All the answers are correct.
B. - correct answer ✔Which of the following pairs of molecules would have
ion-dipole forces?
a. H2O and H2O
b. Na+ and H2O
c. Na+ and Cl-
, d. CO2 and CH4
A. - correct answer ✔Ions that contain multiple atoms are known as __ ions.
a. polyatomic
b. anions
c. multiatomic
d. cations
B. - correct answer ✔The ability of a solid to be dissolved in a given volume
of a solvent at a given temperature is known as _____.
a. spontaneity
b. solubility
c. condensation
d. vaporization
A. - correct answer ✔A 2.0 L container at 20oC contains a gaseous mixture
of H2 and He with a total pressure of 4 atm. The partial pressure exerted by
He is 2.4 atm. How many moles of H2 are in the container?
a. 0.13 mol H2
b. 0.33 mol H2
c. 1.9 mol H2
d. 0.26 mol H2
A. - correct answer ✔As heat energy is added to a cube of ice, it begins to
melt into liquid water. Which of the following correctly identifies the change in
temperature and the change in internal energy of the ice as heat is added to
it?
a. The temperature remains constant while the internal energy increases.
b. The temperature and the internal energy both remain constant.
c. The temperature increases while the internal energy remains constant.
d. The temperature and the internal energy both increase.
