How many atoms of Hydrogen are in 67.2 L of H2 at STP?

How is it possible for one substance to act both polar and nonpolar?

Which is not a property of a gas? Select one: A. Gases are highly compressible. B. Gases form homogeneous mixtures with one another in any proportion. C. The densities of gases are much larger than those of corresponding liquids. D.

List all aspects that make a living thing a living thing

Ira is working in a lab with a unknown solution. When he inserts the electrical conductivity tester in the unknown, the bulb begins to glow brightly. Which of these would BEST describe the unknown liquid?

What coefficients are needed to balance the equation for the complete combustion of methane? Enter the coefficients in the order CH4CH4, O2O2, CO2CO2, and H2OH2O, respectively. Express your answer as four integers, separated by

Based on sulubility rules, which of the followingwill occur when solutions of ZnSO4 (aq) andMgCl2 (aq) are mixed? Write the NIE if aprecipitation is considered likely. A. ZnCl2 wil precipitate; Mg2andSO42_ will be spectatior ions. B.

Can somewhere show me the dimensional analysis of this? The pressure inside of a can is 245mmHg. What is the pressure in kPa?

How does the molecular property of water affect its cohesive properties?

Which organism is able to cause an infection? A red blood cell B bacteria C white blood cell D skin cell

What is x + 4 = - x - 4?