Express each of the following numbers in scientific notation with correct significant figures:

(a) 711.0

(b) 0.239

(c) 90743

(d) 134.2

(e) 0.05499

(f) 10000.0

(g) 0.000000738592

Elaborate on the changes in molecular motion of particles as they change from solid to liquid to gas. A) As the phase changes occur, the freedom of motion of the particles increases.

What is part of meiosis but not of mitosis

What organism is grass

What property is shared by solids, liquids, and gases?

What is the mass number of an ion with 105 electrons, 157 neutrons, and a 1 charge?

When light from the sun warms the ground, the transfer of heat energy is called A) conduction. B) power. C) radiation. D) reflection.

What is alkyl hydrogen sulphate

What is the physical state of each of these materials at room temperature? a. gold b. gasoline c. oxygen d. neon e. olive oil f. sulfur g. mercury

What is one unexpected problem associated with cell phone use? A. It decreases the efficacy of your peripheral vision. B. It distracts your hearing from events on the roadway. C. It causes you to misjudge distances.

Construction crews sometimes use this reaction for welding underwater structures: Fe2O3 + 2Al → Al2O3 + 2Fe How many moles of iron (Fe) would be produced if 2.