Thou Shalt Not Forget (Part 3)

What are the TWO components of a buffer?

• Weak acid (or base)

• Strong acid (or base)

• Indicator solution

• Conjugate base (or acid)

What do mass spec graphs show?

• Relative abundance of isotopes

• Number of valence electrons

• Bond length between two atoms

• Energy to remove an electron

At constant temp, decreasing the volume of a gas will cause the pressure to

• increase

• decrease

• stay the same

• depends on the gas

An exothermic reaction feels ___ and has a ____ ΔH

• hot; positive

• cold; positive

• hot; negative

• cold; negative

Tags

NGSS.HS-PS1-4

In general, which type of substance has the lowest boiling point?

• metallic

• covalent network

• ionic

• covalent molecular

Increasing the temp of an exothermic equilibrium reaction will increase the amount of products

• TRUE

• FALSE

Tags

NGSS.HS-PS1-6

Is this reaction endothermic or exothermic?

• Endothermic

• Exothermic

• Neither

• Not enough info

Tags

NGSS.HS-PS1-4

You do not need to consider number of moles of electrons when calculating E for a galvanic cell

• TRUE

• FALSE

Tags

NGSS.HS-PS3-1

What is the formal charge on C in CO?

• -1

• +1

• 0

• +4

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

ΔG is positive for a thermodynamically favorable reaction

• TRUE

• FALSE