Answer:
168277.2 J
Explanation:
m = Mass of water = 600 g
c = Specific heat of water = 4.186 J/g°C
= Change in temperature of water = 
We know that the amount of heat lost = amount of heat gained
Heat lost by the iron bar is 168277.2 J.
Answer:
Both are only physical changes.
Explanation:
Nothing about the objects chemically change, and they remain the same.
Their changes arent due to heating/cooling.
Answer: Neutron found at B. electron found at A. proton found at B
Answer:
Mass = 15.1 g
Explanation:
Given data:
Number of moles of NaBH₄ = 0.40 mol
Mass in gram = ?
Solution:
Formula:
Mass = number of moles × molar mass
Molar mass of NaBH₄ = 37.83 g/mol
By putting values,
Mass = 0.40 mol × 37.83 g/mol
Mass = 15.1 g
