Th first one is Iron and the second one is Xenon
Answer:
805.3cal
Explanation:
All neutralization reactions produce heat when occurs.
The reaction of HCl with NaOH produce heat increasing the aqueous medium in 5.43°C. The equation of the released energy is:
Q = S×m×ΔT
<em>Where Q is heat, </em>
<em>S is specific heat of the solution (1.00cal/g°C)</em>
<em>m is mass of water: 148.3g</em>
<em>ΔT is change in temperature: 5.43°C</em>
<em />
Q = 1.00cal/g°C×148.3g×5.43°C
Q = 805.3cal
<em />
Answer:
Some examples of homoatomic molecules are hydrogen gas, and oxygen gas and some examples of heteroatomic molecules are water, methane
Explanation:
Answer:
alcohol (OH) + organic acid (COOH) → ester + water
Explanation:
example:
methanol + butanoic acid → methyl butanoate + watermethyl
Answer:
-142.3 per mole, b) 2 O₃ (g)
Explanation:
2O₃ (g) → 3O₂ (g) ΔH = -284.6 KJ
According to the equation 2 mole of ozone yields 3 mole of oxygen gas and the enthalpy change = -284.6 KJ
a) enthalpy change per mole = -284.6 / 2 mole = -142.3 KJ per mole
b) The reaction is exothermic since the enthalpy change is negative meaning that the heat of reactant is greater than heat of product. If the heat of product is greater than heat of reactant meaning enthalpy change is positive; the reaction is endothermic. 2 O₃ (g) has higher enthalpy compared to 3 O₂ (g) since the enthalpy change is negative