ACID-BASE PROJECT

ACIDS

NITRIC ACID

Untitled Slide

FACTS

• Formula: HNO3 Comprised of a nitrogen, a hydrogen, and three oxygen. Chemical Properties: 1) Flammable 2) Covalently bonded 3) Toxic Physical Properties: 1) Weighs around 63 g/mole 2) Colorless 3) Liquid at room temperature

FACTS CONT...

• Common Uses: 1) Forms other compounds for fertilizers 2) Explosive 3) Dye intermediates Hazards: 1) Deadly if ingested 2) Harmful to skin on contact 3) Harmful to lung and respiratory tract if inhaled

PHOSPHORIC ACID

Untitled Slide

FACTS

• Formula: H3PO4 Comprised of three hydrogen, a phosphorus, and four oxygen. Chemical Properties: 1) Covalently bonded 2) pH of 1.5 3) Corrosive to metals Physical Properties: 1) Density is 1.9 g/cm3 2) Boiling point is 407 degrees C 3) Melting point is 42 degrees C

FACTS CONT...

• Common Uses: 1) Acid-Base fertilizers 2) Food additive 3) Rust removal Hazards: 1) Concentrated acid can cause burns to skin or eyes 2) Ingesting acid in high concentrations can burn throat 3) Inhalation can cause respiratory burns

BASES

AMMONIUM

Untitled Slide

FACTS

• Formula: NH3 Chemical makeup: Nitrogen, hydrogen Physical properties: 1) Colorless gas 2) Strong odor 3) High heat of vaporization (23.3 kJ/mol) Chemical properties: 1) Can react with oxygen 2) Flammable 3) Highly stable

FACTS CONT...

• Common uses: 1) Fertilizer 2) Explosives 3) Cleaning Hazards: 1) It is flammable 2) Very toxic when inhaled 3) Corrosive to the eye

BAKING SODA

Untitled Slide

FACTS

• Formula: NaHCO3 Chemical makeup: Sodium, hydrogen, carbon, oxygen Physical properties: 1) White powder/lumps 2) Decomposes at 60 degrees C 3) Density of 2.173g/cm3 Chemical properties: 1) Soluble in water 2) pH of 8.3 3) Not flammable

FACTS CONT...

• Common uses: 1) Used in food and food processing 2) Fire extinguishers 3) Medicines and healing aids Hazards: 1) Large amounts of sodium can increase blood pressure 2) Dangerous if inhaled 3) Dangerous if in eyes