What type of energy produces the biosphere?

At a given temperature, 300m of carbon dioxide has a mass of 5.94kg. What is the density of carbon dioxide at this temperature

What are the applications of chromatography

What is the empirical formula of a compound containing carbon, hydrogen, and oxygen in the ratio 14:42:84?

A 7.337 gram sample of chromium is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 9.595 g. Determine the empirical formula of the metal oxide.

3. How is the atomic emission spectrum of an element related to these flame tests?

The reaction 2CH4 (g) ⇌C2H2 (g) + 3H2 (g) has an equilibrium constant of K = 0.154. If 6.70 mol of CH4, 4.05 mol of C2H2, and 10.05 mol of H2 are added to a reaction vessel with a volume of 5.20 L, what net reaction will occur?

What is harder to pull apart a sodium ion from a chloride ion or a potassium ion from a chloride ion?

Under what conditions is the ideal-gas assumption suitable for real gases?

How is the energy released by an earthquake related to its moment magnitude?

Suppose you have an Avogadro's number of nitrogen atoms. How many grams does this represent? Enter your answer to one decimal place.