What type of mixture can be separated using a sieve

The molar mass of a certain gas is 49 g. what is the density of the gas in g/l at stp?

Choose the correct statement (s) for the following reaction: 8Fe (s) + S8 (s) → 8 FeS (s) (a) Iron is being oxidized. (b) Iron is being reduced. (c) Sulfur is being oxidized. (d) Sulfur is being reduced

What is a chemically active atom?

Alkaline earth metals electronegativity

This is easy, just read the last question. (Already Asked this question before) How many grams of Sodium Hydroxide could be produced if 1.2L of 3.

What is the h + concentration for an aqueous solution with poh = 3.35 at 25 ∘c? express your answer to two significant figures and include the appropriate units?

What information does a phase diagram give

Which cell structures function like power plants for plant or animal cells? A. nuclei B. vacuoles C. ribosomes D. mitochondria

A sample of argon gas, Ar (g). is placed in a 3.80 L container at 320 K. The gas pressure is 0.496 atm. How many moles of Ar gas are in the container?

Review It! All of the following are correct, except: a; A galaxy contains a vast number of stars, their planetary systems, and a variety of other celestial objects. b; Stars orbit the many planets of a galaxy.