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sasho [114]
3 years ago
15

How many grams of Cl are in 585 g of CaCl2

Chemistry
1 answer:
zysi [14]3 years ago
7 0
I'm in the car now so can't lookup periodic table. But you find molecular weight of: 1 Ca + 2 Cl
Then that
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In science what can only be separated by Chemical methods​
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A mixture is a physical combination of substances thus it only requires physical processes to separate.

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Consider the electrolysis of molten barium chloride (bacl2). write the half-reactions. include the states of each species.
aksik [14]
Molten barium chloride is separeted into two species :
BaCl₂(l) → Ba(l) + Cl₂(g),
but first ionic bonds in this salt are separeted because of heat:
BaCl₂(l) → Ba²⁺(l) + 2Cl⁻(l).

Reaction of reduction at cathode(-): Ba²⁺(l) + 2e⁻ → Ba(l).

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<span>The anode is positive and the cathode is negative.</span>

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3 years ago
How many particles are in the nucleus of an atom of fluorine-19?
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The particles of the nucleus of an atom of Fluorine-19 is

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2 years ago
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34. 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The solution's temperature increases
Digiron [165]

Answer:

ΔH = 2.68kJ/mol

Explanation:

The ΔH of dissolution of a reaction is defined as the heat produced per mole of reaction. We have 3.15 moles of the solid, to find the heat produced we need to use the equation:

q = m*S*ΔT

<em>Where q is heat of reaction in J,</em>

<em>m is the mass of the solution in g,</em>

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The mass of the solution is obtained from the volume and the density as follows:

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8.44kJ/3.15 mol

= 2.68kJ/mol

5 0
3 years ago
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