What is this setup used for?

Filtering a mixture (physical change)

What is most likely the research question being tested with this graph

Which brand of battery will stay bright the longest

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Chem semester 1 review (units 1-3)

20 termsStudBud Administration106 plays

Scientific Method, Matter, and Gas Laws

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
The amount of space an object takes up
Mass
Density
Volume
A Cat-astrophe!
2
Which of these is an example of a mixture
O2
He
CaCl2
Fe + O2
3
To convert from Celsius to Kelvin you must add
275
237
273
257
4
What must be in any good lab conclusion
Umm....maybe all of these?
multiple pieces of evidence (what did you discover)
A claim (was your prediction correct)
The reasoning behind your evidence (what does it all mean!?)
5
Which equation will figure out how much energy is used to heat up a pot of water
We never learned this....
=mc(delta)t
=m(delta)H
=m/v
6
On a heating curve, what happens to temperature during phase change?
It depends on what type of phase change
Temp falls
Temp stays the same
Temp rises
7
How many equations are needed to find the energy it takes to boil the snow outside (0C to 100C)
1
3
4
2
8
If the pressure of the gas increases the volume must ____
decrease
increase
9
Matter
Has mass and volume
Has only mass
Weight/Volume
Has only volume
10
Which is standard pressure?
1 atm
1 mmHg
2 torr
7 atm
11
If the pressure decreases the the temperature will___
decrease
increase
12
Which liquid has the lowest density (least dense)
Yellow
Clear
Blue
Red
13
Which is NOT a unit of pressure?
atm
cm3
torr
kPa
14
Which of these is NOT a unit for volume?
L
torr
mL
cm3
15
If the volume of a gas decreases the pressure will____
increase
decrease
16
What is standard Temperature?
273 K
100° C
0 K
273 °C
17
Which of the following is a physical property
Color
Bubbles forming
Discovering a substance is flammable
A substance emitting heat and light
18
What is this setup used for?
Changing a compound (chemical change)
Filtering a mixture (physical change)
Creating a solution (physical change)
World Domination! Muhahaha.....
19
A chemical change means that which of the following must happen:
A mixture was seperated
A new substance is formed
The substance changed shape
The substance changes phase
20
What is most likely the research question being tested with this graph
Which brand of battery cost the most money to use
What is the best way to make your own battery at home
Which brand of battery will give the brightest light
Which brand of battery will stay bright the longest

Chem semester 1 review (units 1-3) Flashcards | StudBud

Chem semester 1 review (units 1-3)

20 termsStudBud Administration106 plays

Scientific Method, Matter, and Gas Laws

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
The amount of space an object takes up
Mass
Density
Volume
A Cat-astrophe!
2
Which of these is an example of a mixture
O2
He
CaCl2
Fe + O2
3
To convert from Celsius to Kelvin you must add
275
237
273
257
4
What must be in any good lab conclusion
Umm....maybe all of these?
multiple pieces of evidence (what did you discover)
A claim (was your prediction correct)
The reasoning behind your evidence (what does it all mean!?)
5
Which equation will figure out how much energy is used to heat up a pot of water
We never learned this....
=mc(delta)t
=m(delta)H
=m/v
6
On a heating curve, what happens to temperature during phase change?
It depends on what type of phase change
Temp falls
Temp stays the same
Temp rises
7
How many equations are needed to find the energy it takes to boil the snow outside (0C to 100C)
1
3
4
2
8
If the pressure of the gas increases the volume must ____
decrease
increase
9
Matter
Has mass and volume
Has only mass
Weight/Volume
Has only volume
10
Which is standard pressure?
1 atm
1 mmHg
2 torr
7 atm
11
If the pressure decreases the the temperature will___
decrease
increase
12
Which liquid has the lowest density (least dense)
Yellow
Clear
Blue
Red
13
Which is NOT a unit of pressure?
atm
cm3
torr
kPa
14
Which of these is NOT a unit for volume?
L
torr
mL
cm3
15
If the volume of a gas decreases the pressure will____
increase
decrease
16
What is standard Temperature?
273 K
100° C
0 K
273 °C
17
Which of the following is a physical property
Color
Bubbles forming
Discovering a substance is flammable
A substance emitting heat and light
18
What is this setup used for?
Changing a compound (chemical change)
Filtering a mixture (physical change)
Creating a solution (physical change)
World Domination! Muhahaha.....
19
A chemical change means that which of the following must happen:
A mixture was seperated
A new substance is formed
The substance changed shape
The substance changes phase
20
What is most likely the research question being tested with this graph
Which brand of battery cost the most money to use
What is the best way to make your own battery at home
Which brand of battery will give the brightest light
Which brand of battery will stay bright the longest