The particle that is most similar to a helium nucleus.
What is an alpha particle?
100
When two substances react to form products, the reactant which is used
What is limiting reactant?
100
particles that are dissolved
What is solute?
100
definite volume and definite shape
What is a solid
100
another name for solution
What is homogeneous mixture
200
Uranium-238 undergoes alpha decay into new product.
What is Thorium-234.
200
How many liters of NH , at STP, will react with 5.3 g O to form NO and water?
4NH_3_ (g) + 7O_2_ (g) 4NO_2_ + 6HOH(g)
What is 2.12 Liters?
200
water is known as a "universal ______" since it dissolves most things
What is solvent?
200
a solid turning directly into a gas , give an example
What is sublimation
200
the weakest attractive force
What is dispersion forces
300
The splitting of an atomic nuclei into smaller nuclei and energy.
What is fission?
300
How many grams of beryllium are needed to
produce 36.0 g of hydrogen? (Assume an excess of water.)
Be(s) + 2H OH(l) Be(OH)2 (aq) + H2 (g)
What is 162 grams?
300
Explain the difference between concentrated and dilute solutions.
What is answers vary.
300
indefinite volume and indefinite shape
What is gas
300
force that holds water molecules together and is responsible for its unique properties
What is hydrogen bonding
400
Beta decay of Carbon-14 results in which isotope.
What is Boron-11?
400
Which conversion factor do you use first to calculate the number of grams of CO_2_ produced by the reaction of 50.6 g of CH_4_ with O_2_ ? The equation for the complete combustion of methane is:
CH_4_ + 2O_2_ --> CO_2_ + 2HOH
What is 1 mol CH4 /16.0 g CH4
400
No more solute will dissolve.
What is a saturated solution?
400
separating phases on a triple point is done how
What is lines that include phase changes
400
resistance to flow for fluids
What is viscosity
500
The two parts of isotope that can be changed by particles and radiation.
What is the mass and the number of protons (charge) ?
500
list the steps to convert from grams of a substance to particles of another substance.
What is answers vary?
500
Solubility factors.
What is agitation, increasing temperature or energy, and removing solute or increasing solvent
500
describe what changes when a liquid becomes a gas, what is process called and what is key difference
What is average kinetic energy increases, evaporation will occur, intermolecular attractions
500
the purpose of coefficients in a balanced equation
What is law of conservation of mass and keeping number of atoms equal