lab record chemistry

 lab record chemistry Composition

п»їTable 8. 1- Burning of magnesium ribbon

Findings

Reaction was exothermic; magnesium ribbon burned up and was glowing a bright white color when ignited. Reactants:

Mg and O2

Products:

MgO

Balanced substance equation

2Mg + UNITED KINGDOM пѓ 2MgO

Table almost 8. 2- Combustable of heptane

Observations

The moment holding test out tube upside down over heptane flame, moisture build-up or condensation formed against top surfaces of the check tube. When the burning splint was added the walls of the test tube became fewer foggy in the condensation produced from the heptane flame. Reactants:

C7H16 and O2

Items:

CO2 and H2O

Balanced chemical formula

C7H16 & O2 пѓ 7CO2 + 2H2O

Desk 8. 3- Single replacement unit reaction of sodium

Observations

Test out tube was hot after reaction; exothermic reaction happened; sodium was malleable; when ever sodium was added to diH2O it sprang and fizzled; solution turned pink once phenolphthalein was added. Reactants:

Na and H2O

Items:

H2 and NaOH

Well balanced chemical equation

2Na & 2H2O пѓ 2NaOH + H2

Stand 8. 4- Single replacement unit reaction of li (symbol)

Observations

Check tube was hot following reaction; exothermic reaction occurred; lithium was not malleable; the moment lithium was added to diH2O it popped and fizzled; splint received brighter the moment added to test out tube; remedy turned red when phenolphthalein was added. Reactants:

Li and H2O

Products:

H2 and LiOH

Balanced chemical substance equation

2Li + 2H2O пѓ 2LiOH + H2

Table 8. 5- Solitary replacement result of potassium

Observations

Lithium was malleable; splint ignited; test tube was cold following the reaction happened; turned lilac when phenolphthalein was added. Reactants:

T and H2O

Products:

H2 and KOH

Balanced chemical substance equation

2 CARAT + 2H2O пѓ 2KOH + H2

Table almost eight. 6- Chemical reaction of water piping strip and 4 cubic centimeters silver nitrate Observations

Medicine formed on copper remove; precipitate was greenish darkish in color. Reactants:

Cu and AgNO3

Products:

Cu(NO3)2 and Ag

Balanced chemical equation

2AgNO3 + Cu пѓ Cu(NO3)2 +...

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