3. A 0.821-mol sample of a substance composed of diatomic molecules (of the same atom) has a

mass of 131.3 g. Identify this molecule.

What are the properties of matter

What happens as the activation energy increases? The pressure of the system decreases. The kinetic energy of colliding molecules changes. The reactant surface area decreases. The reaction begins to slow down.

Consider the hypothetical molecule ABCD. Four structures can be drawn for this molecule with the following formal charges. Structure One: A and B have formal charges of + 1, whereas C and D have formal charges of - 1.

What number is equivalent to 6.75*10 to negative 4 power

What are the conditions required for natural selection

A patient needs 0.024 g of a sulfa drug. There are 6-mg tablets in stock. How many tablets should be given? Express your answer as an integer.

What does the periodic table displays

Consider the reaction: 2A (g) + B (g) →3C (g). When A is decreasing at a rate of 0.200 M⋅s-1, how fast is B decreasing?

2.70 feet is the same as how many cm?

Which two body systems contribute to acid-base balance of blood?