10/09/21

Reactions in Which a Solid Forms
Question: The compound magnesium nitrite is a strong electrolyte. Write the reaction when solid magnesium nitrite is put into water.Include states of matter in your answer.My answer:Mg(NO2)2(s)... more
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10/09/21

Enthalpy Formation from Enthalpy Reaction
A scientist measures the standard enthalpy change for the following reaction to be -14.4 kJ :Ca(OH)2(aq) + 2 HCl(aq)CaCl2(s) + 2 H2O(l)Based on this value and the standard enthalpies of formation... more
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10/09/21

Match is statement with the correct option: oxidation or reduction
The loss of electrons is _________________.The gain of electrons is _______________.Addition of oxygens is _______________.Removal of oxygens is _________________.Addition of hydrogens is... more
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08/17/21

Chemistry Calculations

3. The blood serum acetone level for a person is determined to be 1.8 mg of acetone per 100 mL of serum. Express this concentration as % (v/v) is liquid acetone has a density of 0.79 g/mL. 4.... more
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