How does organisms get the energy needed

At what speed does Earth move

Name the following molecular compound: NO

A gas sample occupies 8.77 L at 20 degrees Celsius. What is the pressure in atm, given that there are 1.45 moles of gas in the sample?

A student doing this experiment obtained the data shown in the table above. The value of the constant, k, for this data is

Hoping for one less opponent at dawn I watch the sky. Which sentence below correctly uses a comma to mark the end of the introductory phrase? Question 5 options: Hoping for one less opponent, at dawn I watch the sky.

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?

Do pure substances have the same chemical and physical properties

How is matter conserved in a chemical reaction