ACS GEN CHEM 1 FINAL
QUESTIONS AND VERIFIED
CORRECT ANSWERS
GRADED A+ LATEST UPDATE
100% GUARANTEED PASS
How close to the true value a given measurement is. - CORRECT ANSWER-Accuracy
How well a number of independent measurements agree with one another. - CORRECT
ANSWER-Precision
Electrons were discovered by ______ in 1897, while
Millikan's Oil Drop experiment determined its charge.
• Neutrons were discovered by James Chadwick in 1932. - CORRECT ANSWER-J.J. Thompson
Postulated a very small, dense nucleus with the electrons around the outside of the atom. Most
of the volume of the atom is empty space. - CORRECT ANSWER-Rutherford
Protons were discovered by______in 1919. - CORRECT ANSWER-Rutherford
,Neutrons were discovered by________ in 1932. - CORRECT ANSWER-James Chadwick
1) All matter is made of atoms. Atoms are indivisible and indestructible.
2) All atoms of a given element are identical in mass and properties
3) Compounds are formed by a combination of two or more different kinds of atoms.
4) A chemical reaction is a rearrangement of atoms. - CORRECT ANSWER-Dalton's Atomic
Theory
Organic alkANEs - CORRECT ANSWER-Mother Eats Peanut Butter:
Methane: CH4
Ethane: C2H6
Propane: C3H8
Butane: C4H10
...then greek prefixes
Uniform throughout, air, milk, sea water - CORRECT ANSWER-Homogeneous mixture
Not uniform, chocolate chip cookie - CORRECT ANSWER-Heterogenous mixture
When an element has a change in mass number, or neutrons - CORRECT ANSWER-isotope
A species of an element in which the number of electrons does not equal the number of
protons. - CORRECT ANSWER-Ion
, Each isotope of an atom has a different number of neutrons. - CORRECT ANSWER-Isotope
mols/L; mmols/mL - CORRECT ANSWER-Molarity
The lighter a gas's atomic weight, the faster it will escape a container. - CORRECT ANSWER-
Graham's Law of Effusion
The temperature at which the solid and liquid phases of a substance are in equilibrium at
atmospheric pressure (760 mm Hg). - CORRECT ANSWER-Normal Melting Point
The point at which the vapor pressure of a liquid equals 1 atm. - CORRECT ANSWER-Boiling
Point
change in spontaneity of a system. - CORRECT ANSWER-Free Energy
Amount of energy required to raise the water surrounding the chamber of the bomb
calorimeter by one °C - CORRECT ANSWER-Calorimeter Constant
ΔG = ΔH - TΔS, where ΔH = change in enthalpy and ΔS = change in entropy. - CORRECT ANSWER-
Gibbs Free Energy
change in energy of a system. - CORRECT ANSWER-Enthalpy
change in chaos of a system. - CORRECT ANSWER-Entropy
Two atoms with the same charge. - CORRECT ANSWER-Isoelectric
QUESTIONS AND VERIFIED
CORRECT ANSWERS
GRADED A+ LATEST UPDATE
100% GUARANTEED PASS
How close to the true value a given measurement is. - CORRECT ANSWER-Accuracy
How well a number of independent measurements agree with one another. - CORRECT
ANSWER-Precision
Electrons were discovered by ______ in 1897, while
Millikan's Oil Drop experiment determined its charge.
• Neutrons were discovered by James Chadwick in 1932. - CORRECT ANSWER-J.J. Thompson
Postulated a very small, dense nucleus with the electrons around the outside of the atom. Most
of the volume of the atom is empty space. - CORRECT ANSWER-Rutherford
Protons were discovered by______in 1919. - CORRECT ANSWER-Rutherford
,Neutrons were discovered by________ in 1932. - CORRECT ANSWER-James Chadwick
1) All matter is made of atoms. Atoms are indivisible and indestructible.
2) All atoms of a given element are identical in mass and properties
3) Compounds are formed by a combination of two or more different kinds of atoms.
4) A chemical reaction is a rearrangement of atoms. - CORRECT ANSWER-Dalton's Atomic
Theory
Organic alkANEs - CORRECT ANSWER-Mother Eats Peanut Butter:
Methane: CH4
Ethane: C2H6
Propane: C3H8
Butane: C4H10
...then greek prefixes
Uniform throughout, air, milk, sea water - CORRECT ANSWER-Homogeneous mixture
Not uniform, chocolate chip cookie - CORRECT ANSWER-Heterogenous mixture
When an element has a change in mass number, or neutrons - CORRECT ANSWER-isotope
A species of an element in which the number of electrons does not equal the number of
protons. - CORRECT ANSWER-Ion
, Each isotope of an atom has a different number of neutrons. - CORRECT ANSWER-Isotope
mols/L; mmols/mL - CORRECT ANSWER-Molarity
The lighter a gas's atomic weight, the faster it will escape a container. - CORRECT ANSWER-
Graham's Law of Effusion
The temperature at which the solid and liquid phases of a substance are in equilibrium at
atmospheric pressure (760 mm Hg). - CORRECT ANSWER-Normal Melting Point
The point at which the vapor pressure of a liquid equals 1 atm. - CORRECT ANSWER-Boiling
Point
change in spontaneity of a system. - CORRECT ANSWER-Free Energy
Amount of energy required to raise the water surrounding the chamber of the bomb
calorimeter by one °C - CORRECT ANSWER-Calorimeter Constant
ΔG = ΔH - TΔS, where ΔH = change in enthalpy and ΔS = change in entropy. - CORRECT ANSWER-
Gibbs Free Energy
change in energy of a system. - CORRECT ANSWER-Enthalpy
change in chaos of a system. - CORRECT ANSWER-Entropy
Two atoms with the same charge. - CORRECT ANSWER-Isoelectric
