Answer:
The correct answer is "430 kJ/kg". A further explanation is given below.
Explanation:
The given values are:
T₁ = 400 k
T₂ = 800 k
The average temperature will be:
= 
= 
= 
From table,
At 600 k the 
will be = 1.075
Now,
⇒ The specific enthalpy = 
⇒ 
⇒ 
Weather satellites and Doppler radar, helps the process of looking over a large area, an does the network of weather observations.
The first one is Cesium chloride.. the second one is magnesium and sulfur so I’m not sure what’s going on with the answers
Answer:
2Na + 2H2O - - - > 2NaOH + H2
Explanation: This is a an exothermic reaction.
Exothermic reaction : a reaction in which heat is released during a reaction with the product
