analysis of a 12.04g sample of liquid compound compoed of carbon, hydrogen and nitrogen showed it to contain 7.34g carbon, 1.85g hydrogen and 2.85g nitrogrn. what is the percent composition of this compound?

On a hiking trip, you see a large tree root has grown into the cracks of a rock and caused it to break apart. This is an example of mechanical weathering chemical weathering hydrologic weathering oxidative weathering

Explain why a single atom of hydrogen cannot produce all four hydrogen spectral lines simultaneously.

Which is the most dense: honey, milk, or corn syrup? A. Honey B. Milk C. Corn syrup

The statue of leshan giant buddha is constantly changing in color and texture due to the pollutants from vehicles and industries near by. what are the two main causes of the changes to the statute?

Which level of organization describes an oak tree forest with bacteria, fungi, dead leaves, butterflies, blue jays, stones? A) biome B) biosphere C) community D) ecosystem

What does the shape of a protein molecule resemble?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position

Which radiation detection device is the best to use for measuring the presence of radiation in large moving objects where constant monitoring is impossible? film badge Geiger counter cloud chamber scintillation counter

Smoke fiilling up a room is diffusion or not

What is the independent and dependent variable for a dry ice experiment