2/14: Physical and Chemical Changes Lab

Posljednje ažuriranje almost 3 years ago

45

Biblioteka

2/14: Physical and Chemical Changes Lab

Posljednje ažuriranje almost 3 years ago

45

Obavezno

1

As4O10

Obavezno

1

V2O3

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

Obavezno

1

As4O10

Obavezno

1

V2O3

Obavezno

1

ammoniun phosphate

Obavezno

1

sulfur trioxide

Obavezno

1

NO

Obavezno

1

trisulfur monochloride

Obavezno

1

KC2H3O2

Obavezno

1

NF3

Obavezno

1

barium acetate

Obavezno

1

nickel(III)sulfide

Obavezno

1

HC2H3O2 or HCH3COO

Obavezno

1

H2CO3

ammoniun phosphate

sulfur trioxide

What happened when calcium chloride and baking soda were combined in the presence of an indicator?

The solution turned black then purple

The solution turned yellow, blue, or red

There was no color change

The solution turned purple

chemical or physical change?

chemical

physical

Evidence of a chemical or physical change?

a chemical reaction formed new products

matter changed form, but not identity

What happened when ammonium chloride combined with water?

The temperature decreased

The temperature increased

The solution turned red

The solution turned blue

chemical or physical change?

chemical

physical

Evidence of a chemical or physical change

a chemical reaction forms new products

matter changes form but not identity

What happened when you combusted magnesium

a bright light was formed

the fire turned red

the fire turned blue

nothing happened

chemical or physical change?

chemical

physical

evidence of a chemical or physical change

matter changed form, but not identity

a chemical reaction forms new products

chemical or physical change?

chemical

physical

evidence of a chemical or physical change?

a chemical reaction formed new products

matter changed form, but not identity

What did you observe when you combusted paper?

it looked like my English essay

it got lit fam

chemical or physical change?

chemical

physical

evidence of a chemical or physical change?

a chemical reaction formed new products

matter changed form, but not chemical identity

chemical or physical change?

chemical

physical

evidence of a chemical or physical change

chemical reaction produced new products

matter changed form, but not chemical identity

What did you observe when you combined lead nitrate and potassium iodide?

chemical or physical change?

chemical

physical

evidence of a chemical or physical change

a chemical reaction created new products

matter changed form, but not chemical identity

chemical or physical change?

chemical

physical

evidence of a chemical or physical change

a chemical reaction produced new products

matter changed form, but not chemical identity

2/14: Physical and Chemical Changes Lab

2/14: Physical and Chemical Changes Lab

As4O10

V2O3

As4O10

V2O3

ammoniun phosphate

sulfur trioxide

What happened when calcium chloride and baking soda were combined in the presence of an indicator?

chemical or physical change?

Evidence of a chemical or physical change?

What happened when ammonium chloride combined with water?

chemical or physical change?

Evidence of a chemical or physical change

What happened when you combusted magnesium

chemical or physical change?

evidence of a chemical or physical change

chemical or physical change?

evidence of a chemical or physical change?

What did you observe when you combusted paper?

chemical or physical change?

evidence of a chemical or physical change?

chemical or physical change?

evidence of a chemical or physical change

What did you observe when you combined lead nitrate and potassium iodide?

chemical or physical change?

evidence of a chemical or physical change

chemical or physical change?

evidence of a chemical or physical change

calcium sulfide

dinitrogen pentoxide

ammonia

NaBr

NO2

sulfuric acid

aluminum sulfate

FeSO4

P2Br4

zinc(II)nitrate

methane

AsCl3

NO

trisulfur monochloride

KC2H3O2

NF3

barium acetate

nickel(III)sulfide

HC2H3O2 or HCH3COO

H2CO3

ammoniun phosphate

sulfur trioxide

What happened when calcium chloride and baking soda were combined in the presence of an indicator?

chemical or physical change?

Evidence of a chemical or physical change?

What happened when ammonium chloride combined with water?

chemical or physical change?

Evidence of a chemical or physical change

What happened when you combusted magnesium

chemical or physical change?

evidence of a chemical or physical change

chemical or physical change?

evidence of a chemical or physical change?

What did you observe when you combusted paper?

chemical or physical change?

evidence of a chemical or physical change?

chemical or physical change?

evidence of a chemical or physical change

What did you observe when you combined lead nitrate and potassium iodide?

chemical or physical change?

evidence of a chemical or physical change

chemical or physical change?

evidence of a chemical or physical change

calcium sulfide

dinitrogen pentoxide

ammonia

NaBr

NO2

sulfuric acid

aluminum sulfate

FeSO4