The pH at the equivalence point of a titration of a weak acid with a strong base will approximately be
greater than 7.00
Oops!
Check
Okay!
Check
15
What is the specific heat capacity of zinc if it requires 146 J to raise the temperature of 15 grams of zinc by 25°C?
0.39 J/g°C
Oops!
Check
Okay!
Check
25
For nitrous acid, HNO2, Ka = 4.0 Ć 10ā4. Calculate the pH of 0.54 M HNO2.
1.83
Oops!
Check
Okay!
Check
10
The oxidation number of Fe in K3Fe(CN)6 is:
+3
Oops!
Check
Okay!
Check
5
How many carbons are there in methyl butanoate
5
Oops!
Check
Okay!
Check
20
Calculate the [H+] in a solution that is 0.18 M in NaF and 0.25 M in HF. (Ka = 7.2 Ć 10ā4)
1.0 Ć 10ā3 M
Oops!
Check
Okay!
Check
15
Cyclopropane undergoes rearrangement to form propene, C3H6. If cyclopropane disappears at a rate of 0.50 mol/ Ls, at what rate is propene being pduced?ro
rate of appearance = +0.50 mol/Ls
Oops!
Check
Okay!
Check
10
For the reaction: 2HI (g) <--> H2 (g) + I2 (g). If the Ksp is 0.020 and the Qsp is 0.34, the reaction will proceed which direction?:
Proceed to the left
Oops!
Check
Okay!
Check
15
What is the VSEPR shape of AsH3
trigonal pyramidal (AX3E)
Oops!
Check
Okay!
Check
20
name an isomer of 2-methylpropane
butane
Oops!
Check
Okay!
Check
baam
Lose 25 points!
Oops!
shark
Other team loses 20 points!
Okay!
shark
Other team loses 20 points!
Okay!
banana
Go to last place!
Oops!
10
Calculate the [H+] in a solution that has a pH of 9.48.
3.3 Ć 10ā10 M
Oops!
Check
Okay!
Check
15
In the following chemical reaction the oxidizing agent is 1. 5H2O2 + 2MnO4 ā + 6H+ ā 2Mn2+ + 8H2O + 5O2