Which nonmetal is the least active? Why?

1. Which of the following does NOT indicate that a chemical change may have taken place? A. fracture formation B. gas production C. precipitate formation D. energy transfer 2. What happens to matter during a chemical reaction? A.

The ratio of chlorine to hydrogen chloride in the reaction H2 (g) + Cl2 (g) - > 2 HCl (g) is

What is the molar concentration of a phosphoric acid (h3po4) solution if 55.5 ml of the solution requires 35.5 ml of. 150 m naoh to completely react with the phosphoric acid?

The other component of a solution is the part that's does the dissolving. What is the name of this component

Salty snacks like peanuts and pretzels can often be found for free at gatherings where beverages are for sale. Vendors hope that the salty snacks will make consumers thirsty so they will purchase something to drink. Why does this work

In any ordinary chemical reaction, matter is neither created nor destroyed; it is simply changed from one chemical substance to another. This principle is called the Law of:

Which of the following shows no reaction with acid? A. copper B. copper carbonate C. magnesium carbonate D. magnesium

Describe what happens to salt when it dissolves in water.

The functional group, - CHO, is characteristic of an: ketone aldehyde organic acid

In the experiment, you added water to the reaction vessel after the reaction was complete, but we did not discuss why. Based on what happened after adding the water, which of the following is the reason for the addition of water? A.