Answer:
T final = 80°C
Explanation:
∴ Q = 18000 cal
∴ m H2O = 300 g
∴ Cp H2O (15°C) = 0.99795 cal/g.K ≅ 1 cal/g.K
∴ T1 = 20°C = 293 K
∴ T2 = ?
⇒ 18000 cal = (300 g)(1 cal/g.K)(T2 - 293 K)
⇒ (18000 cal)/(300 cal/K) = T2 - 293 K
⇒ T2 = 293 K + 60 K
⇒ T2 = 353 K (80°C)
Answer:
2
Explanation:
K shell=2
L shell=4
Since carbon has an atomic no of 6 it electron shells are 2 namely kshell and lshell
All chemical equations show that the total mass of the reaction stays the same.
B this is because the forms of matter are solid liquid and gas. L m k if this is correct
Lewis dot structure for phosphorus