2. Which statement about bonding is correct? (1 point)
2 answers:
2. O Breaking bonds releases energy and is endothermic.
3. O pull electrons away from other elements
<h3>Endothermic v/s Exothermic:</h3>- An endothermic reaction occurs when <u>energy is absorbed </u>from the surroundings in the form of heat. While an exothermic reaction is one in which <u>energy is released</u> from the system into the surroundings.
- In an endothermic reaction, the reaction mixture absorbs heat from the surroundings. Therefore, <u>the products will have a higher energy than the reactants</u> and <em>ΔH will be positive</em>. In an exothermic reaction, the reaction mixture <u>releases heat to the surroundings</u>.
Fluorine is a member of Halogen family having one electron less to acquire stable noble gas configuration. Thus in order to attain one more electron it will gain one electron so as to be stably complete.
Thus the correct options are given above.
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The mass of Ba(IO3)2 that can be dissolved in 500 ml of water at 25 degrees celcius is 2.82 g
<h3>What mass of Ba(IO3)2 can be dissolved in 500 ml of water at 25 degrees celcius?</h3>The Ksp of Ba(IO3)2 = 1.57 × 10^-9
Molar mass of Ba(IO3)2 = 487 g/mol?
Dissociation of Ba(IO3)2 produces 3 moles of ions as follows:
moles of Ba(IO3)2 = 1.16 × 10^-3 × 0.5 = 0.58 × 10^-3 moles
mass of Ba(IO3)2 = 0.58 × 10^-3 moles × 487 = 2.82 g
Therefore, mass Ba(IO3)2 that can be dissolved in 500 ml of water at 25 degrees celcius is 2.82 g.
Learn more about mass and moles at: brainly.com/question/15374113
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