Given:
The heat content of the pizza is  Q = 500 kcal 
The volume of the cold water is V = 50 L
The mass of a liter of cold water is 1 kg.
Calculate the mass, M,  of cold water.
M = (50 L)*(1 kg/L) = 50 kg 
The specific heat of water is
c = 4.184 kJ/(kg-K)
Also,
1 kcal = 4184 J, therefore
Q = (500 kcal)*(4184 J/kcal) = 2.092 x 10⁶ J
Let ΔT = increase in temperature of the cold water, °C (same as K).
Then
Q = M*c*ΔT
or 
ΔT = Q/(M*c)

Answer: The temperature increases by 10 °C (or 10 K)
 
        
        
        
The plant cells are in a tree. The cytokinesis is the cells in a plant's top root. Soo, it is divided into 5 parts.
If you have any more questions, I'm available.
- Shelly O
        
             
        
        
        
Pioneer species are the first organisms to live in an area 
Some examples of a pioneer are:
•bunch grass
•milkweed
•queen Anne’s lace
•Sphagnum moss
•sedge
•pitcher plant