This state of matter has a definite shape and volume.
Solid
Balance and simplifie _H2+_O2 -> _H2O
2H2+1O2 -> 2H2O
What do you need to form H2O
Two Hydrogen, one Oxygen
The temperture at which a solid become a liquid
Melting point
balance and simplifie _NO2 -> _NO+_O2
2NO2 -> 2NO+1O2
what Physical or Chemical change is a Nail rusting
Chemical change
What is the pH for Blood
The pH for blood is 7.35-7.45
What do you need to form salt
1 Carbon 2 Oxygen
The temperature at which the vapor pressure equals atomospheric pressure
boiling point
balance and simplifie _C2H4+_O2 -> _CO2+_H2O
1C2H4+3O2 -> 2CO2+2H2O
what physical or chemical change is paper shredding
physical
A pH of 5 compared to a pH of 9
10,000 times more Acidic
what makes citric acid
C6H8O7
Plasma
balance and simplfie _NH3+_O2 -> _NO+_H2O
4NH3+5O2 -> 4NO+6H2O
what physical or chemical change is your stomach acid desolve food
Chemical
The pH scale is logarithmic. (True / False)
True
6 Carbon 12 Hydrogen 6 Oxygen
A mixture of 2 states of matter Liquid and Gas
balance and simplifie _CO2+_H2O -> _C2H2OH+_O2
2CO2+3H2O -> 1C2H5OH+3O2
what physical or chemical change is burning a log into ash
Chemical
Each jump of one pH value represents a _ increase or decrease in acidity
Tenfold (10times)
What is NaOH
Sodium Hydroxide