Moving material along certain gradients is necessary for osmosis, diffusion, filtration, and the transport of ions away from similar charges.
Osmosis is the flow of solvent molecules over a semi-permeable membrane from an area of lower concentration to a region of higher concentration Molecules diffuse when they travel from one area of higher concentration to another area of lower concentration The process of filtering involves moving liquid substances through a separating material known as a filter in order to separate solid particles from liquid. Due to the difference in pressures between the solid and liquid substances, this process is made feasible. Because of the difference in electrical potentials between the charges, ions move away from like charges.
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Since no matter what type of gas there is there is still a pressure exerted by it. Since the Kinetic theory of gases says " the pressure is proportional to the number of particles in the gas".
Basically pressure exerted by the gas depends rather on the temperature. the temperature increases, and the volume still says the same though.
Single displacement and combustion reactions are ALWAYS redox.
Answer:
869.93J/g°C
Explanation:
From the question given, we obtained the following:
M = 42.6g
T1 = 12°C
T2 = 46°C
ΔT = T2 — T1 = 46 — 12 = 34°C
C =?
Q = 1260 KJ = 1260000J
Q = MCΔT
C = Q / MΔT
C = 1260000 /(42.6 x 34)
C = 869.93J/g°C
Therefore, the specific heat capacity is 869.93J/g°C
Answer:
Explanation:
1.). A pure substance has a/an ___definite____ composition.
Pure substances have a definite composition and all their parts are same throughout.
2.). A/An ___mixture____ is composed of two or more types of matter that can be present in varying amounts.
Mixture is a blend of two or more types of matter.
3.). A solution is a/an ___homogeneous ____ mixture.
Solutions are homogeneous mixtures of solutes and solvents.
4.). A mixture that is not uniform throughout is a/an ___heterogeneous ____ mixture.
A mixture that is not uniform throughout is said to be heterogeneous.
5.). A pure substance that cannot be broken down chemically is a/an _______.
An element : is a distinct substance that cannot be split-up into simpler substances.
6.). A characteristic of matter that’s not associated with a change in its chemical composition is known as a/an __physical_____ property.
Physical property tells us everything about what a substance is when no change is occuring to its constituents.
7.).Wax melting is an example of a/an ___physical change____ change in the state of matter.
Physical change is one that alters the physical properties of matter.
8.). A banana peel turning brown is an example of a/an ___chemical____ change in the state of matter.
Chemical change is one in which a new matter is formed.