Answer:
the basic difference btw alkane and alkene is the presence of single and double bond respectively.first is saturated hydrocarbon while the latter is unsaturated
Hope this helps you buddy!!
Answer:
The process is endothermic.
Heat is 26,9 kJ/mol
Explanation:
The dissolution of NH₄NO₃ in water is:
NH₄NO₃ → NH₄⁺ + NO₃⁻
As the change of temperature in the cup is ΔT = -3,82°C
<em>The process is endothermic</em>. Because the temperature is decreasing in the process. That means the process needs heat.
Assuming the heat capacity of the solution is 4.18 J/Kg
:
q = -C×m×ΔT
Where q is heat, C is heat capacity (4,18J/Kg), m is mass (105g) and ΔT is change in temperature (-3,82°C)
q = 1677 J ≈ <em><u>1,68kJ</u></em>
The moles of NH₄NO₃ dissolved are:
5,00g × (1mol / 80,043g) = <em><u>0,0625 moles</u></em>
That means heat of this process in kJ/ mol is:
1,68kJ / 0,0625moles = <em>26,9 kJ/mol</em>
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I hope it helps!
Hey! Your answer would be the appearance and disappearance of group of organisms
. Hope this helps!
Answer:
1. a) 0,18
2. e) The reaction proceeds to the left, forming more BrCl(g).
Explanation:
1. In a gas reaction as:
2SO₂(g) +O₂(g) ⇄ 2SO₃(g)
it is possible to convert kp to kc using:
kp = kc (RT)^Δn
Where kp is gas equilibrium constant, kc is equilibrium constant (13), R is gas constant (0,082atmL/molK), T is temperature (900K), and Δn is number of moles of gas products - number of moles of gas reactants (That is 2 - (2+1) = -1). Replacing:
kp = 13×(0,082atmL/molK×900K)^-1
<em>kp = 0,18</em>
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2. Based on Le Chatelier's principle, the change in temperature, pressure, volume, or concentration of a system will result in predictable and opposing changes in the system. For the reaction:
2 BrCl(g) ⇄ Br₂(g) + Cl₂(g).
The addition of 0,050M of each compound cause <em>the reaction proceeds to the left, forming more BrCl(g)</em> because based on the reaction, you need two moles of BrCl per mole of Br₂(g) and Cl₂(g) to keep the system in the same. But you are adding the same proportion of moles of each compound.
I hope it helps!
