The WHOLE 6th 6wks

" Failure "

It is suppose to happen!

The Whole 6th 6wks

pH - Power of Hydrogen

Fill in the Blank

What is the hydronium ion concentration in a solution that has a pH of 8.34?

Fill in the Blank

Find the pH of a 0.00250 M HCl solution?

Multiple Choice

Go back to SLIDE 4 and decide what kind of aqueous solution is being used.

• acid

• base

• can't tell

Multiple Choice

Go back to SLIDE 5 and decide what kind of aqueous solution is being used.

• acid

• base

• can't tell

Fill in the Blank

Energy is the ability to do ______.

Heat travels from hot to cold

Fill in the Blank

Thermal energy is _____ energy.

Multiple Select

Choose the type(s) of heat transfer that happens through solids.

• conduction

• convection

• radiation

Multiple Select

Choose the type(s) of heat transfer that happens through liquid and air moving in currents.

• conduction

• convection

• radiation

Multiple Select

Choose the type(s) of heat transfer that doesn't need a medium (matter).

• conduction

• convection

• radiation

Fill in the Blank

If it takes 47.21 joules to heat a piece of gold weighing 18.69 grams from 10.0 degrees Celsius to 27.0 degrees Celsius, what is the specific heat of gold?

Multiple Select

The reaction is colder than the surroundings.

• endothermic reaction

• exothermic reaction

• need more information to answer

Multiple Select

The surroundings are colder than the reaction.

• endothermic reaction

• exothermic reaction

• need more information to answer

Follow 2 RULES - Same Unit - Make a Ratio

​NEEDED RATIOS

​

moles to grams (Periodic Table)

​

kJ to moles (balanced equation

​

J to moles (balanced equation)

Fill in the Blank

How much heat will be released if 44.8 grams of SO2 is reacted with excess oxygen according to the following equation?

2SO2(g) + O2(g) = 2SO3(g) + 198 kJ

Multiple Select

What clues tell you the chemical equation on the last slide is an exothermic reaction?

• the energy is on the product side of the equation

• the word RELEASED used in the problem

• the kJ is on the reactant side of the equation

• the energy in the problem has a negative sign with it

Radioactive Decay

Multiple Choice

What radiactive decay created the U-267 from Pa-267?

• alpha decay

• beta decay

• gramma decay

Multiple Choice

Complete the sentence

An isotope that undergoes B decay has

• one fewer proton

• one more proton

• one more electron

• one less electron

Multiple Choice

The isotope created by the beta decay has

• one fewer proton

• one more proton

• one fewer electron

• one more electron

Multiple Choice

Which process creates energy by splitting atoms?

• fusion

• fission

• photosynthesis

• cellular respiration

Multiple Choice

Which process creates energy by combining atoms?

• fusion

• fission

• photosynthesis

• mitochondria

Multiple Select

Fusion happens where?

• sun

• nuclear bombs

• photosynthesis

• nuclear power plant

Multiple Select

Fission happens where?

• photosynthesis

• stars

• nuclear power plant

• nuclear bombs