Questions from General Chemistry

Q: Describe briefly what happens when an ionic substance is dissolved in water

Describe briefly what happens when an ionic substance is dissolved in water.

Q: Balance each of the following chemical equations. a. Ba

Balance each of the following chemical equations. a. Ba(NO3)2(aq) + Na2CrO4(aq) BaCrO4(s) + NaNO3(aq) b. PbCl2(aq) + K2SO4(aq) PbSO4(s) + KCl(aq) c. C2H5OH(l...

Q: What salt would form when each of the following strong acid/

What salt would form when each of the following strong acid/ strong base reactions takes place? a. HCl(aq) + KOH(aq) b. RbOH(aq) + HNO3(aq) c. HClO4(aq) + NaOH(aq) d. HBr(aq) + CsOH(aq)

Q: Complete the following acid–base reactions by indicating the acid and

Complete the following acid–base reactions by indicating the acid and base that must have reacted in each case to produce the indicated salt. a. +...

Q: What do we mean when we say that the transfer of electrons

What do we mean when we say that the transfer of electrons can be the “driving force” for a reaction? Give an example of a reaction where this happens.

Q: Balance each of the following oxidation–reduction reactions. a

Balance each of the following oxidation–reduction reactions. a. Co(s) + Br2(l) CoBr3(s) b. Al(s) + H2SO4(aq) Al2(SO4)3(aq) + H2(g) c. Na(s) + H2O(l...

Q: Balance each of the following oxidation–reduction chemical reactions.

Balance each of the following oxidation–reduction chemical reactions. a. P4(s) + O2(g) P4O10(s) b. MgO(s) + C(s) Mg(s) + CO(g) c. Sr(s) + H2O(l)...

Q: a. Give two examples each of a single-displacement reaction

a. Give two examples each of a single-displacement reaction and of a double-replacement reaction. How are the two reaction types similar, and how are they different? b. Give two examples each of a re...

Q: True or false? Coefficients can be fractions when balancing a chemical

True or false? Coefficients can be fractions when balancing a chemical equation. Whether true or false, explain why this can or cannot occur.

Q: Identify each of the following unbalanced reaction equations as belonging to one

Identify each of the following unbalanced reaction equations as belonging to one or more of the following categories: precipitation, acid–base, or oxidation–reduction. a. K2SO4(aq) + Ba(NO3)2(aq)...