Matter and Energy
Matter
macroscopic scale
two
What is density
mass per unit volume of a substance
Renal tubule and kidney functions
filtration, resorption, secretion, excretion.
Is the study of the behavior and properties of matter
Chemistry
what system do we use in chemistry
Metric system
exact numbers
Density is a _____ property of matter
Physical
What filers blood and removes excess waste products and water
renal tubules in kidneys
No change in composition
Physical Change
What is the base unit for mass
Grams
How many sig figs in the number 42.50
four
A metal rod with a density of 7164 g/cm^3 displaced 82.2 ml of water. What is the mass of the rod?
588,880.8 Grams (Not rounded for Sig Figs)
Diabetes insipidus means that there is
no glucose in urine
The transfer of kinetic energy from a hot body to a cooler one
Heat
What is the base unit for time
seconds
How many sig figs: 0.00425
three
What is the specific gravity of urine
1.002-1.030
Diseases that will make tubules more "leaky" will increase the specific gravity of urine
Kidney infection, diabetes mellitus, and renal failure
The states of matter depend on what two opposing forces?
Intermolecular forces and Kinetic Energy
Which system is primarily used in the US
English system
How many sig figs: 24391.
What is the equation for density
D= m/V
Definition of specific gravity
ratio of density of a substance to a density of water at 4 degrees celsius.