What are quanta of light called?

A flexible container holds 100.0 miles of a gas. And additional 100.0 moles of gas particles are pumped into the container. The pressure and temperature remain constant. Which of the following stamens is true. A. Volume will double b.

Why are some isotopes radioactive?

Intact cells of two unknown cell types were placed into solutions with different concentrations of NaCl. Type I cells swelled and burst in the solution with the lowest concentration of NaCl.

Which Kelvin temperature is equal to 200.°C? A) - 73 K B) 73 K C) 200. K D) 473K

Which statement best explains how organ systems work together to remove wastes? A. The nervous system controls the movement of food through the digestive system. B.

Given the following densities at 25°C magnesium: 1.7 g/cm3 graphite: 1.8 g/cm3 iron: 7.9 g/cm3 A block of iron has a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron?

The direct transfer of heat from one substance to another substance that it is touching is called

What holds strands of peptidoglycan together?

What are three steps scientist take to evaluate a scientific explanation

What solid is brown and red, crumbly and weak in the periodic table (probably a metal)