-Is a hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory.
-A real gas does not behave completely according to the assumptions.
-A real gas can behave as an ideal gas when the temperature increases and/or the pressure decreases.
100
What is a solution?
A homogenous mixture of two or more substances in a single phase.
100
What are 3 qualities of Acids?
-Sour Taste
-Reacts vigorously with Metals
-Produces Hydrogen
-Neutralizes with bases
- Changes litmus paper to red
100
What is the main difference between the process of Reduction and Oxidation?
Reduction is the process in which an atom gains electrons.
Oxidation is the process in which an atom loses electrons.
100
what is the temperature in kelvin of a cupcake with a temp. of 42ºC?
315K
200
What is the equation to get Temperature in Kelvin (K)?
K = 273.15 + oC
200
What is the Enthalpy of Solution?
The net amount of energy absorbed as heat by the solution when a specific amount of solute.
200
What are 3 qualities of Bases?
-Slippery to touch
-Bitter Taste
-Changes color in litmus paper to blue
-Contains OH- ions
-Accepts protons
200
Name the Reducing Agent, Oxidising Agent, Oxidised product and Reduced Product in the following equation.
Zn + (Cu2+) --> (Zn2+) + Cu
Occurs when light is scattered by colloidal particles dispersed in a transparent medium.
300
Determine the name and wether its an acid or base for Substance H2SO4
Acid, Dihidrogen Sulfur Tetraoxide
300
What is a reduced element? explain
Element that gains one or more electrons. (its oxidation decreases)
300
What are the 4 key parts of an element in the periodic table?
Element Name, Atomic Numer, Symbol, Atomic Mass
400
What is the Avogrado`s Rule? Explain and State the equation.
-Volume and number of particles of gases are directly proportional to each other.
-V/n=k
400
Explain the difference between Saturated, Supersaturated and Unsaturated Solutions.
Saturated solutions- A solution that contains maximum amount of dissolved solute.
Unsaturated solutions- A solution that contains less solute than saturated solution under the existing conditions.
400
Bronsted Lowry theory explains that
Acid:
Base:
Acid: Substance that gives proton or H+
Base: Oxygen proton or accept a H+
400
What is the oxidation number of neutral atoms and molecules of an element?
0
400
The pH of a Banana is 5. Is it acidic or basic?
Acidic
500
Air pressure of a certain tire is 109kPa. What is the pressure in atmospheres?