Preskoči na glavni sadržaj

Sign up for FREE

#13.4.1 Holey Moley 📅Thu 12.01.22

Posljednje ažuriranje over 3 years ago

21

Due Now

Mole Lab

1

Pitanje 13

13.

Moles of Water

1

Pitanje 14

14.

Moles of Sugar

1

Pitanje 15

15.

Moles of C0₂in your balloon.

Due Now Day 2

Question 1

00:36

1

Question 2

00:45

1

Question 3

01:23

1

Question 4

01:46

1

Question 5

01:47

1

Question 6

01:55

1

Question 7

02:21

1

Question 8

02:33

1

Question 9

02:53

1

Question 10

04:21

1

Questions 11 & 12

04:33

1

1

1

Pitanje 16

16.

1 mole of water weighs 18 grams. If I have 2 moles of water, how much will it weigh?

1

Pitanje 17

17.

How many moles of water molecules are in 180 grams?

1

Pitanje 18

18.

1 kg (1000 grams) of sugar contains 2.9 moles of molecules. How much does 1 mole of sugar weigh?

1

Pitanje 19

19.

Compare the weight of 1 mole of water to 1 mole of sugar. How many moles of water would it take to have an equal mass to 1 mole of sugar?

1

1

Pitanje 1

1.

What is the concept of a mole used for?

Pitanje 2

2.

How many atoms do you think are in a grain of sand?
Hint: (Try to make an educated guess, just like if you were trying to guess how many M&Ms were in the jar).
DO NOT GUESS the M&Ms!

Pitanje 3

3.

Avogadro was alive to see his work proven correct.

Tačno

Netačno

Pitanje 4

4.

The number of atoms present in a balloon at 1 atm and 0°C will vary depending on the type of gas.

Tačno

Netačno

Pitanje 5

5.

How many particles can fit in a balloon at 0°C and 1 atm? Write out the WHOLE number (not in scientific notation!).

Pitanje 6

6.

Gases take up a lot of space because

gas molecules are larger

gas molecules have high kinetic energy

gases are mostly empty space

gases have low attraction between molecules

Pitanje 7

7.

What name did scientists give to 6.02 x 10^23?

Pitanje 8

8.

What is the second name that was given to 602 sextillion?
Fyi...

Pitanje 9

9.

What volume of water is 1 mole?

Pitanje 10

10.

Explain how big a mole is using one of the three metaphors from the video.

Pitanje 11

11.

Bonus:
Go to: http://www.vendian.org/envelope/dir2/lots_of_dots/million_dots.html
Scroll through a million dots. How long do you think it would take you to scroll through a look at 6.02 x 10^23 dots if they were zoomed to a level large enough to see each individual dot?

Pitanje 12

12.

Bonus 2:
Go to: http://www.vendian.org/envelope/dir2/lots_of_dots/million_dots.html
Scroll through a million dots. How many times would you have to scroll 1 million dots in order to see 1 mole of dots?
(Give a precise answer please, scientific notation is okay.)

Pitanje 20

20.

Why do you think 1 mole of water (H₂0) and 1 mole of sugar (C₁₂H₂₂O₁₁) have such different masses?

Pitanje 21

21.

Complete the apprentice level practice at: https://www.physicsclassroom.com/Concept-Builders/Chemistry/Mole-Conversions/Concept-Builder
If you finish early, continue on to Master Level
Add a screenshot of your score when you are done!