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Answer true or false. If the answer is false, correct the statement. 1. An Arrhenius base...

Answer true or false. If the answer is false, correct the statement.

1. An Arrhenius base produces OH- in water.

2. A molecule with nonpolar bonds can be polar overall.

3. ΔH of vaporization is endothermic.

4. AgNO3 is soluble in water.

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Homework Answers

Answer #1

All the statements 1,2,3,4 are True.

1.An arrhenius base is defined as a species that produces OH- on reaction with water.

2.A molecule can possess polar bonds and still be nonpolar. If the polar bonds are evenly (or symmetrically) distributed, the bond dipoles cancel and do not create a molecular dipole. For example, the three bonds in a molecule of BF3 are significantly polar, but they are symmetrically arranged around the central boron atom. No side of the molecule has more negative or positive charge than another side, and so the molecule is nonpolar.

3.Water Takes in Heat and transforms into vapour.Thus change in enthalphy is positive.For endothermic process change in enthalphy is positive.

4.AgNO3 + H2O-->AgOH + HNO3.soluble.

ALL ARE TRUE.

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