The specific heat capacity is intensive, and does not depend on the quantity.
We can categorize a property of the compound as either intensive or extensive when defining a particular aspect of it. The extent of a drug or compound is a quality that is influenced by the sample size used. However, the intense property is independent of the quantity (we can say that it is independent on the amount of the sample used). One such example of an intensive property is density.
The specific heat capacity of a substance or a compound describes the amount of heat (in Joules) needed to increase the temperature of one gram of the substance by 1 unit.
The specific heat capacity is independent on the amount of substance used, therefore, it is classified as an intensive property of a substance. The specific heat capacity will not depend on the mass of the given substance and it will be a constant value for each substance.
So the specific heat capacity is intensive, and does not depend on the quantity, but the heat capacity is extensive, so two grams of liquid water have twice the heat capacitance of 1 gram, but the specific heat capacity, the heat capacity per gram, is the same, 4.184 (J/g.K).
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Answer:
M of MgCl₂ = 1.65 × 10⁻⁶ M
M of Mg²⁺ = 1.65 × 10⁻⁶ M
M of Cl⁻ = 3.30 × 10⁻⁶ M
Explanation:
1) MgCl₂
Molarity = number of moles of solute / volume of solution in liters, M = n / V
n = mass in grams / molar mass
molar mass of MgCl₂ = 24.305 g/mol + 2(35.543 g/mol) = 95.211 g/mol
n = 2.75 × 10⁻⁴ g / 95.211 g/mol = 2.89×10⁻³ moles
⇒ M = n / V = 2.89×10⁻³ moles / 1.75 l = 1.65 × 10⁻⁶ M
2) Mg²⁺ and Cl⁻
Those are the ions in solution.
You assume 100% dissociation of the ionic compound (strong electrolyte).
Then the equation is: MgCl₂ → Mg²⁺ + 2Cl⁻
That means that 1 mol of MgCl₂ produces 1 mol of Mg²⁺ and 2 moles of Cl⁻.
That yields the same molarity concentration of Mg²⁺ , while the molarity concentration of Cl⁻ is the double.
So, the results are:
M of MgCl₂ = 1.65 × 10⁻⁶ M
M of Mg²⁺ = 1.65 × 10⁻⁶ M
M of Cl⁻ = 3.30 × 10⁻⁶ M
Answer:
Sunny and windy but mostly windy
Answer:
20 + CIPb
Explanation:
Use the commutateive proptery to reoder the terms
