Carbon source is the answer for ur question
Given:
m = 52 kg. the mass of water
ΔT = 22 °C, the temperature increase
Note that
c = 4.184 J/(g-°C), the specific heat of water.
The quantity of heat required is
Q = mcΔT
= (52,000 g)*(4.184 J/(g-°C))*(22 °C)
= 4.7865 x 10⁴ J
Because 1 J = 2.39 x 10⁻⁴ cal. the heat required is
Q = (4.7865 x 10⁴ J)*(2.39 x 10⁻⁴ cal/J) = 1143.97 cal ≈ 1144 cal
Answer: 1144 cal
Answer,
For example, silver ion can be precipitated with hydrochloric acid to yield solid silver chloride. Because many cations will not react with hydrochloric acid in this way, this simple reaction can be used to separate ions that form insoluble chlorides from those that do not.
Answer: 2.04 moles
Explanation:
Mass of H2SO4 = 200g
RMM of H2SO4 = (2*1) + 32 + (16*4)
= 2 +32 +64 = 98
n = Mass concentration / RMM
n = 200/98
n = 2.04moles
The atom is krypton and its symbol is Kr.
the mass number is 41 + 36 = 77
its charge is 0 as it is a noble gas.