What determines the type of element that an atom makes?

3) The value of Keq for the equilibrium H2 (g) + I2 (g) 2 HI (g) is 54.0 at 427 °C. What is the value of Keq for the equilibrium below? HI (g) 1/2 H2 (g) + 1/2 I2 (g)

For which pair of objects would adding the same amount of electrons to each object result in a decrease in the electric force? a. two positively charged objects b. two negatively charged objects c. two objects that have no charge d.

Which of the following most likely happens when the temperature of a gas increases? The number of collisions of gas particles remains same. The number of collisions of gas particles increases. The pressure of the gas remains same.

Why can we sometimes hear noises in the stomach during digestion?

An evacuated cylinder has a volume of 50 liters. If 20 liters of nitrogen gas and 20 liters of oxygen gas are pumped into this evacuated cylinder, how much of the cylinder is filled with the two gases? a.

Based on its location in the periodic table, what can most likely be predicted about phosphorus? It has three valence electrons available for bonding. It has three nonbonding electrons. It has five valence electrons available for bonding.

The rate constant is found to be 3.9 x 10-5 M-1 s-1. Calculate the rate of formation of ozone when the concentration of oxygen atoms is 3.0 x 10-14 molar and the concentration of diatomic oxygen is 1.3 x 10-14 molar.

The element Oxygen, O, is an example of which of the following? Question 8 options: A compound B molecule C atom D mixture

The measurement 0.41006 gram, rounded to three significant figures, is expressed as

1. When adding strong base to a buffer, why can we assume the equilibrium value of the OH - is zero?