To form an oxygen molecule to oxygen atoms share two pairs of electrons what kind of bond is shown below by the electron dot diagram of o2

Is ethanol polar or nonpolar? Explain.

The mass of a compound is taken 5 times with the following results: 26.6mg, 26.3mg, 26.2mg, 26.4mg, and 26.1mg. If the true mass is 25.6mg, what is the percent relative error for this set of data? Round to the nearest hundredth of a percent.

Decide whether each molecule is stable or not. decide whether each molecule would be diamagnetic or paramagnetic. calculate each molecule bond order.

Which of the these is a balanced chemical equation? A) CO (g) + O2 (g) → CO2 (g) B) CO (g) + 2O2 (g) → 2CO2 (g) C) 2CO (g) + O2 (g) → 2CO2 (g) D) 2CO (g) + 2O2 (g) → 2CO2 (g)

7. A 2.0 L container had 0.40 mol of He (g) and 0.60 mol of Ar (g) at 25°C. Which gas has a greater average kinetic energy? Which gas is traveling at a higher average speed? If Ar has an average speed of 431 m/s, what is the average speed of He?

77.60 ml of. 210 M NaOH are required to neutralize 25.05 ml ofH2SO4 solution in a titrationexperiment. Calculate the molarity and normality of theH2SO4 solution.

A 25.0 g bold made of an alloy absorbed 250 J of heat as its temperature changed from 25.0 °C to 78.0 °C. What is the specific heat of the alloy?

How is an areas topography determined?

How to put a solution back into solution when it comes out of solution chemistry?

When the isotonic saline solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops.