Which state of matter is most tightly packed together?
What is solid
Molecules will move which speed when a sample of gas is heated up?
What is move faster?
What type of bonding is present in NaCl?
What is ionic?
What is dipole-dipole?
Opposite charges...
What is attract?
A substance is heated up from 298K to 315K. What is the change in temperature?
What is 17K?
Phase changes are an example of what sort of change?
What is physical change
Define a proportional relationship.
What is as one increases, the other increases?
Which elements contribute to H-bonding?
What is hydrogen bonded to nitrogen, oxygen, or fluorine?
Cations are...
Positively charged ions
Copper has a density of 8.96 g/cm3 and has a mass of 3.4g. What is the volume (in cm3)?
What is 2.6 cm3?
This state of matter has a fixed volume but will take the shape of its container.
What is liquid?
Name an inversely proportional relationship.
What is pressure and volume or volume and temperature?
What is LDF?
What is non-polar covalent?
An element in group 16 will form an...
Phosphorus and oxygen together forms PO4. If P has an EN = 2.1 and O has an EN = 3.5. Their difference in EN is...
What is 1.4?
The point on a phase change diagram where a substance changes from liquid to gas.
What is boiling point?
What is the overall pressure exerted by a mixture of gases?
What is they take up the space of their container and move freely?
Which force contributes to boiling point strength? Why?
What is intermolecular?
What is physical change?
A ion will have a +2 charge by...
Losing 2 electrons
After finishing an experiment, Annie finds the boiling point of methanol to be 74 °C. She looks up the boiling point and it is actually 65°C. What is her percent error?
What is 13%?
The flat portion on a heating curve represents
What is bonds breaking?
The pressure of a container is 25atm and its volume is 5L. The volume increases to 8L. What is the final pressure of the container?
What is 15.6atm?
Name three properties of an ionic compound.
What is high boiling point, rigid and conductive when dissolved?
Define electronegativity.
The higher the EN value, the more they want e-.
How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?
What is 297 J?