question In a reversible process the system and surroundings can be brought back to their initial state with

Chemistry

In a reversible process, the system and surroundings can be brought back to their initial state with:

A. No change in entropy
B. No change in temperature
C. No change in pressure
D. No net change in the universe

In a reversible process, there is no net change in entropy for the universe.

How many electrons can the s sublevel hold?

A. 2
B. 6
C. 8
D. 10

What is the term for a bond formed by the overlap of atomic orbitals?

A. Sigma
B. Pi
C. Delta
D. Theta

The term "nuclear shell model" explains the stability of nuclei based on:

A. Shell structure of electrons
B. Orbitals of electrons
C. Sublevels of electrons
D. Energy levels of electrons

The phenomenon of "quantum tunneling" refers to particles:

A. Passing through a barrier
B. Colliding with a barrier
C. Reflecting off a barrier
D. Absorbing a barrier

The electron cloud model describes the probability of finding an electron in a:

A. Specific orbit
B. Fixed shell
C. Defined path
D. Region of space

The mass of an electron is approximately equal to the mass of a:

A. Proton
B. Neutron
C. Alpha particle
D. Positron

What is the function of ribonuclease in cellular processes?

A. Breaks down RNA into nucleotides
B. Synthesizes RNA from DNA template
C. Joins two RNA molecules together
D. Facilitates translation of mRNA

What is the primary function of lipoproteins in the body?

A. Transporting fats in the bloodstream
B. Storing excess glucose
C. Facilitating muscle contraction
D. Serving as antioxidants

Which type of bond results from the sharing of electrons equally between two identical atoms?

A. Nonpolar covalent
B. Polar covalent
C. Ionic
D. Metallic

Which enzyme catalyzes the synthesis of RNA using a DNA template during transcription?

A. RNA polymerase
B. DNA ligase
C. DNA helicase
D. DNA polymerase