What 2 molecules make up the sides of dna?

A prism refracts white light into rainbow colors because

Example of heterogeneous and homogeneous matter

How many moles are there in 5.75 x 10^24 atoms of aluminum

What is the approximate percent by mass of oxygen in C2H4O2

c. How many total valence electrons are not bonding for the central atom in the molecule of sulfur dioxide? none, 1, 2, 3, 4

The following questions refer to the gas-phase decomposition of ethylene chloride. C2H5Cl ® products Experiment shows that the decomposition is first order. The following data show kinetics information for this reaction: Time (s) ln [C2H5Cl] (M) 1.

The temperature of a 6.0-g sample of glass changed from 20°C to 45°C when it absorbed 550 J of heat. What is the specific heat of this glass sample? A. 130 J/g•°C B. 2300 J/g•°C C. 0.27 J/g•°C D. 3.7 J/g•°C

Which statements accurately describe Ernest Rutherford's experiment? Check all that apply. The positively charged particles were deflected because like charges repel. The positively charged particles were deflected because opposite charges attract.

How many white blood cells does a normal adult with 5 L of blood have?

Give the atomic symbol for an element that does not exist as a molecule or extended structure. that is, an element that exists only as discrete atoms.