Chemistry, 06.05.2020 20:36 casandraserrat375
Match these items.
1
.
0 degrees Celsius
amount of matter in object
2
.
chemical property
upward force of a fluid on an object
3
.
buoyancy
fixed shape
4
.
gas
freezing point of water
5
.
mass
expands
6
.
solid
no definite internal order
7
.
crystalline
molecules far apart
8
.
frozen water
fixed internal order
9
.
amorphous
ability to react with another substance
Answers: 3
Chemistry, 21.06.2019 19:20
What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force
Answers: 1
Chemistry, 22.06.2019 18:00
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
Chemistry, 22.06.2019 20:30
Which states of matter have particles that move independently of one another with very little attraction?
Answers: 1
Chemistry, 23.06.2019 00:00
What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g
Answers: 1
Match these items.
1
.
0 degrees Celsius
amount of matter in ob...
1
.
0 degrees Celsius
amount of matter in ob...
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