1/10/24 Closing Activity

True or False: Water has a low heat capacity?

• True
• False

What element must organic molecules have?

• Hydrogen H
• Nitrogen N
• Carbon C
• Potassium K

What type of inorganic substance is NaCl?

• Acid
• Base
• Water
• Salt

Definition of a Buffer?

• Resist change to pH
• Increase acidic properties
• Produce carbonate ions
• Add neutral substance to a solution

How many Bonds can carbon make?

• 3
• 5
• 2
• 4

Why does salt disassociate in water

• Because water is polar
• Because H2O has H+
• salt has covalent bonds
• Because it is a part of a buffer system

If Sally has a blood pH of 7.8 she is considered

• neutral
• basic
• acidic
• polar

This means that the hydrogen ion concentration in her blood is

• high
• low
• neutral

Write down the equation for neutralization

What kind of cut is this?

• Frontal
• Transverse
• Sagittal