2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Chapters1-3Chapters 7-8Chapter 9Chapter 10Chapters4-5

What particle is emitted in alpha radiation?

Helium nucleus

A beta particle is a(n)_____.

Electron

What is the change in atomic mass when an atom emits a beta particle?

Remains the same.

What is the change in atomic number caused by the emission of gamma radiation?

Remains the Same

What is an acid according to Arrhenius?

A substance that ionizes to yield protons in aqueous solution.

Which of these is an Arrhenius base? a.LiOH b.NH 3 c.H 2 PO 4 d.CH 3 COOH

a. LiOH

What is transferred between a conjugate acid-base pair?

A hydroxide ion

In the reaction of aluminum bromide with ionized sodium Bromide, which compound is the Lewis acid?

Aluminum bromide

What type of acid is sulfuric acid?

Diprotic

How many liters of hydrogen gas are needed to react with CS 2 to produce 2.50L of CH 4 at STP?

10.0 L

How many liters of NH 3 are needed to react completely with 30.0L of NO (at STP)?

20.0 L

How many liters of Chlorine gas can be produced when 0.98L of HCl react with excess O 2 at STP?

0.98 L

Identify the limiting reagent and the volume of CO 2 formed when 11 L CS 2 reacts with 18L O 2 to produce CO 2 gas and SO 2 gas at STP. CS 2 (g)+3O 2 (g)  CO 2 (g)+2SO 2 (g)

0 2 ; 6.0 L CO 2

Methane and hydrogen sulfide form when hydrogen reacts with carbon disulfide. Identify the excess reagent and calculate how much remains after 36 L of H 2 reacts with 12 L of CS 2. 4H 2 (g)+CS 2 (g)  CH 4 (g)+2H 2 S(g).

3 L CS 2

What instrument is normally used to measure atmospheric pressure?

Barometer

What is one standard atmosphere of pressure in kilopascals?

101.3 kPa

Standard conditions when working with gases are defined as_____.

0°C and kPa

With which temperature scale is temperature directly proportional to average kinetic energy?

Kelvin

What happens to the range of energies of the particles in matter when the temperature is increased?

The range of energies becomes broader

How many grams of lead(II) acetate must be used to make mL of a solution that is to contain 10.0mg/mL? What is the molarity?

5.0 g, M

What would be the molarity of a solution obtained when 50.0 mL of 3.00 M HCl acid solution is diluted with 70.0 mL of water? Describe in detail how to go about this dilution process.

2.14 M HCl

Calculate the molarity when mL of water is added to 14 mL of 18.0 M H 2 SO 4.

1.68 M H 2 So 4

If 3.25 g of molecular substance is dissolved in g of water, what is the molecular mass of the solute if the solution freezes at -93°C?

Calculate the boiling point of a solution containing 5.70 g of sucrose dissolve in 50.0 g of benzene.