Fall $2023-2024$ CHEM$110$ Final Exam Type B

$7.$ Gases emitted during volcanic activity often contain high concentrations of hydrogen sulfide sulfur dioxide. These gases may react to produce deposits of sulfur according to the equation:

$2H_{2}S(g)+S{O}_2(g)3S(s)+2H_{2}O(g)$

For the complete reaction of $6\mathrm{.}41$mol of hydrogen sulfide: $($LO $4)$

a$)308g$ of sulfur is formed

b$)410g$ of sulfur dioxide is consumed

c$)231g$ of water vapor is produced

d$)320g$ of total products result

e$)628g$ of total reactants are consumed

$8.$ The reaction of $0\mathrm{.}4$ moles of $O_2$ with $C_5{H}_{12}$ with gives $9\mathrm{.}1g$ of $C{O}_2,$ what is the $\%$ yield of $t$ reaction? $($LO $5)$

a$)82\mathrm{.}7\%$

b$)31\mathrm{.}8\%$

c$)51\mathrm{.}7\%$

d$)91\mathrm{.}1\%$

e$)10\mathrm{.}3\%$

$9.$ Which quantum numbers are invalid $($not allowed$)$ for an electron in $4$ s subshell? $($LO $7)$

a$)n=-4$

b$)m_l=-1$

c$)m_s=0$

d$)1=4$

e$)$ All

$610.[Kr]5s^{2}4d^{10}5p^5$ is the ground state electronic configuration of $($LO $7)$

a$)Te$

b$)$ I

c$)Br$

d$)$ At

e$)S$

$11.$ Which one of the following particles has seven protons, seven neutrons and $10$ electron $($LO $2)$

a$)L{i}^{+}$

b$)Si$

c$)C$

d$)N^{3-}$

e$)O^{2-}$

$12.$ A species that differs in charge from another atom of the same element: $($LO $2)$

I$)$ is called an isotope

II$)$ has more or less neutrons

III$)$ has lost or gained electrons

IV$)$ is called an ion

V$)$ has the same number of protons

a$)$ I and II

b$)$ I and III

c$)$ II and IV

d$)$ III and IV

e$)$ III, IV$,$ V