How many grams of NaCl are needed to prepare 1.20 liters of a 2.00 M solution?

An atom of selenium (Se) forms a monatomic ion. Which of the following ions does is most likely form? Possible answer choices: Se^2+ Se^6- Se^6+ Se^2-

Methane burns in oxygen to produce carbon dioxide and water. Which of the following represents a preliminary, unbalanced equation with the correct chemical formulas? 1. CH4 + O2 → CO2 + H2O 2. CH4 + CO2 → O2 + H2O 3. CO2 + H2O → CH4 + O2 4.

What are three subatomic particles

When using a nanometer to check Boyle's law why is the pressure changed slowly

Which statement about kinetic energy is true? A) It increases if a catalyst is added to the reaction. B) It is not affected by temperature. C) It is the energy required to form a new product. D) It doesn't affect the collision of reacting substances.

A blank is a substance that is made by combining two substances

Which statement is true about your mass? A) You would have less mass on the moon. B) You would have less mass on the Earth. C) You would have more mass on the Earth. D) You would have the same mass on the Earth and moon.

To how many significant figures can the liquid density be properly reported

Where do people and other animals get energy to move around

What is Sn on the periodic table of elements