What is dilution?
a) taking more concentrated solution and increasing it concentration
b) taking more concentrated solution and adding more moles of solute
c) taking a more concentrated solution and decreasing the concentration
d) taking a more concentrated solution and decreasing it's volume
Answers: 3
Chemistry, 22.06.2019 08:00, wizz4865
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
Chemistry, 22.06.2019 13:30, kassandrarosario1115
How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
Answers: 1
Chemistry, 23.06.2019 01:30, mindofnyny
Which is an example of a highly unstable isotope that is often used in fission reactions?
Answers: 1
What is dilution?
a) taking more concentrated solution and increasing it concentration
...
a) taking more concentrated solution and increasing it concentration
...
History, 14.04.2020 19:45
Mathematics, 14.04.2020 19:45