Energy Change and Reaction Rate | Baamboozle - Baamboozle

A change in temperature, formation of bubbles, precipitate forms, color change, change in smell, difficult to reverse are all signs of ?

Chemical Reaction

Oops!

Check

Okay!

Check

How does temperature relate to the rate of reaction? Explain using the collision theory

as the temperature increases, the particles will gain more kinetic energy, the collision frequency also increases, and so the reaction rate increases

Oops!

Check

Okay!

Check

In an endothermic reaction, energy is ...

Absorbed / Taken in (by the system from the surroundings)

Oops!

Check

Okay!

Check

monster

Reset all scores!

Oops!

magnet

Take 10 points!

Okay!

shark

Other team loses 20 points!

Okay!

baam

Lose 20 points!

Oops!

banana

Go to last place!

Oops!

seesaw

Swap points!

Okay!

shark

Other team loses 25 points!

Okay!

thief

Give points!

Is photosynthesis an Exothermic or an Endothermic reaction?

Endothermic (light energy is absorbed)

Oops!

Check

Okay!

Check

ENDOTHERMIC OR EXOTHERMIC: You freeze juice to make ice pops.

Exothermic

Oops!

Check

Okay!

Check

Define Reaction Rate

A measure of change in the amount of reactants consumed (or products produced) per unit time

Oops!

Check

Okay!

Check

ENDOTHERMIC OR EXOTHERMIC: Ice cubes in your glass of soda melt.

Endothermic

Oops!

Check

Okay!

Check

The Collision Theory states that...

The reactant particles must collide and the collisions must have enough energy and correct orientation to be successful

Oops!

Check

Okay!

Check

ENDOTHERMIC OR EXOTHERMIC: Cooking steak.

Endothermic

Oops!

Check

Okay!

Check

What is a catalyst?

A catalyst is a substance that speeds up a chemical reaction by providing an alternative pathway with lower activation energy

Oops!

Check

Okay!

Check

An endothermic reaction is occurring in a beaker. We are part of the surroundings and touched the beaker, so it would feel _______.

Cooler

Oops!

Check

Okay!

Check

Looking at the rate graph: How can you tell from it when the reaction was over?

The curve goes flat

Oops!

Check

Okay!

Check

eraser

Reset score!

Oops!

star

Double points!

Okay!

gift

Win 25 points!

Okay!

lifesaver

Give 25 points!

Oops!

thief

Give points!

magnet

Take 25 points!

Okay!

fairy

Take points!

baam

Lose 25 points!

Oops!

Restart Join for Free

Your experience on this site will be improved by allowing cookies.