Laws & Safety
Control, Cool, Cover
What are the three C's of burn care?
The study of matter and the changes it undergoes.
What is Chemistry?
Two types of mixtures.
What is homogeneous vs. heterogeneous?
Pressure is inversely proportional to volume
What is Boyle's Law?
The smallest radiation particle.
What is a beta particle?
A piece of glassware used to measure volume accurately.
What is a Graduated Cylinder
The 'cause' of an experiment. The variable controlled or manipulated by the researcher.
What is the Independent variable
The most dense state of matter.
What is a solid?
According to KMT, these types of gases will undergo elastic collisions, are very far apart, and have no attraction to each other.
What are ideal gases?
This value is the sum of protons and neutrons in an atom.
Atoms, mass, or matter can not be created or lossed during a chemical or nuclear reaction.
What is the Law of Conservation of Mass
Round the final answer to the least amount of sig. figs. in the problem.
What is the multiplication rule of sig figs?
Light energy is also known as...
What is the Radiant energy?
12.5 L of gas has a pressure of 0.63 atm. What is the volume of the gas at 1.04 atm?
What is 7.7 L
Carbon-13 and carbon-14 are ____ of the same element. Fe2+ and Fe3+ are ____ of the same element.
What are isotopes and ions?
A compound is always composed of the same elements in the same proportion by mass, no matter how large or small the sample.
What is the Law of Definite Proportions
0.000850020 - How many Sig Figs is this
What is 6 sig figs.
The units typically used for density.
What is g/mL?
1.780 L of a gas at 37.5C. At what temperature would the volume of the gas increase to 2.55 L?
What is 445K
The half-life of phosphorus-32 is 14.30 days. How many grams of a 20 gram sample of phosphorus-32 will remain after 85.80 days?
What is 0.3125 g
When different compounds are formed by a combination of the same elements, different masses of one element combine with the same relative mass of the elements in whole number ratios.
What is the Law of Multiple Proportions
23.50 kg converted to g.
What is 0.02350 g?
A physical property used to describe a characteristic of matter that is always the same no matter how much is present.
What is an intensive physical property?
At what pressure would 2.19 mol of gas occupy a volume of 16,600 mL at 195C.
R = 0.0821
What is 5.05 atm
When carbon-14 undergoes beta-decay, what isotope is produced?
What is nitrogen-14