Give the chemical symbol for rubidium.
Give the chemical symbol for gold.
Pb is the chemical symbol for what element?
Sr is the chemical symbol for what element?
What is the chemical symbol for tungsten?
Chicken noodle soup is an example of what type of mixture?
Another name for a homogeneous mixture.
A pure substance made of only one type of atom.
In the scientific method, an educated guess is a ____________.
The separation technique that is based on the principle that substances migrate along a gradient with a solvent at a rate unique to each substance.
The process of changing from a solid to a gas with no liquid phase.
Had definite volume but no definite shape
The temperature at which something changes from a liquid to a gas.
Molecules in this phase of matter are attracted to each other so strongly that the molecules cannot move past each other.
What occurs when energy is removed from a liquid-vapor system at equilibrium?
The branch of chemistry associated with the study of the composition of samples.
Changing the energy of a substance can change its ______________.
The heat required to raise the temperature of 1 gram of a substance 1 degree Celsius is known as _______________.
The amount of energy absorbed or lost by a system as heat during a process at a constant pressure is known as _________________.
Type of chemical reaction that absorbs energy and requires energy for the reaction to occur
How much energy is required to increases the temperature of 100 g of water from -50 to -10 degrees celsius?
The amount of heat energy released when 50 g of water is cooled form 20 to 10 degrees celsius
What is the enthalpy change when 10 g of water are heated from 285 to 300 K?
How much energy is required to melt 10 g of water at 0 degrees celsius?
How much energy is required to convert 152 g of liquid water to steam at 100 degrees celsius?
