Answer:
• Molecular mass of Iron (III) tetraoxide

[ molar masses: Fe → 56, O → 16 ]

Answer:
B:Metamorphic
Explanation:
Rocks formed under high heat and pressure is essentially the definition of metamorphic rock :)
Answer:
CaCO3 is false
Explanation:
Because HCl is hydrongen chloride
Answer:
14700J
Explanation:
From the question given, the following were obtained:
M = 100g
ΔT = 35° C
C = 4.2J/g °C
Q=?
The heat transferred can calculated for by using the following equation
Q = MCΔT
Q = 100 x 4.2 x 35
Q= 14700J