Chemistry, 23.09.2019 13:10 golderhadashaowtatz
Chemistry! ! !
1. which of the following solutions would have a ph value greater than 7?
a. [oh-] = 2.4 × 10^-2 m
b. [h3o+] =1.53 × 10^-2 m
c. 0.0001 m hcl
d. [oh^-] = 4.4 × 10^-9 m
2. consider the following equation for an equilibrium system: (attached)
which concentration(s) would be included in the denominator of the equilibrium constant expression?
a. pb(s), co2(g), and so2(g)
b. pbs(s), o2(g), and c(s)
c. o2(g), pb(s), co2(g), and so2(g)
d. o2(g)
3. the oxidation number of the sulfur atom in the so^2- 4 ion is
a. +2.
b. -2.
c. +6.
d. +4.
4. in the following reaction, which is the oxidizing agent? (attached - reaction starts with agno2)
a. agno2
b. cl2
c. koh
d. kcl
5. complete the following nuclear equation (attached w/ choices)
6. which two particles have the same mass but opposite charge?
a. a beta particle and a positron
b. a neutron and a proton
c. a proton and an electron
d. an alpha particle and a proton
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Chemistry! ! !
1. which of the following solutions would have a ph value greater than 7? <...
1. which of the following solutions would have a ph value greater than 7? <...
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