Chemistry
A mole is a unit of ___________.
Measurement.
A mole is a unit of measurement.
What does "V" stand for?
Average Speed.
What does the nucleus do?
The cells control center.
What are the 2 types of pure substance?
Elements & Compounds
Elements - Found on the periodic table.
Compounds - Made of 2 or more pure elements.
How is Work calculated?
Work = Force x Distance
What does 6.0 x 1023 equal?
One mole.
6.0 x 1023 represents the number of atoms or molecules in one mole of a substance.
How is an Average speed measured?
Total Distance over Total Time.
Distance/Time
What does the cell membrane act as?
Provides protection.
Is 'Au' homogenous or heterogeneous?
Homogenous
What is the formula for finding Newtons?
Force = Mass x Acceleration
Is Li2CO3 soluble or insoluble in water?
Lithium Carbonate is soluble in water.
Is displacement scalar or vector?
Vector.
What are cells classified as?
Prokaryotic or Eukaryotic
Does protons have a postive or negative charge?
Protons have a positive charge, while neutrons have no charges.
How is weight measured?
Weight is measured in Newtons
How many basic categories of chemical reactions are their?
5.
Synthesis, decomposition, replacement, double replacement, & combustion.
How is velocity measured?
Meters/per second
What are the 2 types of passive transports of a cell?
Osmosis & Diffusion
What is the electric charge for an aluminium ion?
3+ Charge
What does 'E = mgh' stand for?
E = Gravitational potential energy (joules)
m = Mass (kg)
g = Accelaration due to gravity (m/s2)
h = Height (meters)
What reaction is NaCI -> Na+CI2 ?
Decomposition.
What is uniform motion?
A constant change in distance over a given time interval.
What does an animal cell have that a plant cell does not have?
Centeral vacuole
What is the name of this formula? As2O3
How is As2O3 formed?
Arsenic Trioxide
Arsenic Trioxide is formed by the process of arsenic Compounds including the combustion of arsenic & arsenic-containing minerals in air. Example how As2O3 is made: gold roasting processing in gold mining.
What is Kinetic energy associated with?
Motion or movement