This particle has the smallest mass
What are electrons?
Solid to gas is known as this phase change
What is sublimation?
This animal also happens to be the name of atomic mass of an element in grams
What is a mole?
The products of a combustion reaction
What are carbon dioxide and water (CO2 + H2O)?
When pressure exerted on a balloon is doubled, this property of the gas is halved (temperature remains constant)
What is volume?
These 0s only count as significant figures when there is a decimal point in the number
What are trailing 0s? (0s at the end of a number)
C-12 and C-13 differ in their number of these
What are neutrons?
This state of matter will take on the shape and volume of its container
What is gas?
24.022 grams of carbon
What is 2 moles of carbon?
The formula for magnesium hydroxide
what is Mg(OH)2?
This temperature scale is ALWAYS used when calculating gas law problems
What is the Kelvin scale?
This is the product of 5.15 and 4.0
What is 21?
2311X
The atom represented by X
What is sodium?
This is absorbed when chemical bonds are broken, and released when chemical bonds are formed
What is energy?
2Fe2O3 + 3C --> 4Fe + 3CO2
The number of moles of carbon dioxide produced when 7 moles of C react
What is 7?
This type of bond is formed when electrons are shared between atoms
What is covalent?
What are intermolecular forces?
This is the percent error when the actual value was 60 g, but the student only measured 54 g
What is 10%? (Or -10%)
This element is radioactive and starts with the letter 'F'
What is francium?
Energy is measured in these
What are Joules (J) or kiloJoules (kJ)?
This is the gram formula mass of C9H18O when rounding to the nearest whole number
What is 142?
CoCl3 goes by this name
At STP, the boiling point of this liquid on Table H is approximately 80 degrees Celsius
What is ethanol?
This is the percentage of potassium in KMnO4
What is 24.7%?
This term represents an atom's attraction for electrons
What is electronegativity?
This type of reaction occurs when adding a chemical to water and the water becomes colder
What is an endothermic reaction?
The sum of all of the coefficients when properly balanced
What is 13?
The simplified version of a molecular formula is known as this
What is an empirical formula?
The initial temperature of a gas is 323.15 K. The initial pressure and volume are 5 atm and 2.9 L, respectively. This will be the new temperature when the pressure is changed to 3 atm and the volume is changed to 2.4 L
What is 160 K?
The percentage of water in CuSO4 ยท 5H2O
What is 36%?
The experiment leading to the discovery that atoms are mostly empty space with a positively charged nucleus.
What is Rutherford's gold foil experiment?
The two types of substances represented in this mixture
What are elements and compounds?
It wasn't a mole that Mr. Roberti saved from being stuck in a fence. It was a ___
What is a rabbit?
SF6 is called this
What is sulfur hexafluoride?
When volumes of gases are equal, these are also equal
What are molecules (number of molecules)?
The average atomic mass of these isotopes:
62.930 amu at 69.17% abundance
64.928 amu at 30.83% abundance
What is 63.55 amu (atomic mass of copper)?