True/False
When a substance dissolves, heat is added to the compound in the solid state, and it is converted to the liquid state. When a substance melts, as in water, the substance becomes surrounded by solvent molecules, and no heat is added.
Correct Answer:
Verified
Correct Answer:
Verified
Q48: Based on common charges, which formula for
Q49: Which of the following formula/name combinations is
Q50: The formula for the iodate ion is
Q51: Which of the following formula/name pairs is
Q52: Which of the following is the correct
Q54: The formula for the chlorite ion is:<br>A)ClO<sup>-</sup><br>B)ClO<sub>2</sub><sup>-</sup><br>C)ClO<sub>3</sub><sup>-</sup><br>D)ClO<sub>4</sub><sup>-</sup><br>E)ClO<sub>2</sub><sup>2-</sup>
Q55: The formula for calcium nitrate is:<br>A)CaNO<sub>3</sub><br>B)Ca<sub>2</sub>NO<sub>3</sub><br>C)Ca(NO<sub>3</sub>)<sub>2</sub><br>D)Ca(NO<sub>3</sub>)<sub>3</sub><br>E)Ca(NO<sub>2</sub>)<sub>2</sub>
Q56: Which of the following formulas for a
Q57: Which of the following is the correct
Q58: The name of the oxoanion of nitrogen