How much heat is absorbed during production of 127 g of NO by the combination of nitrogen and oxygen?

N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

If calcium were to react with carbon, what would likely form?

What is the kinetic energy of a 150kg object that is moving with a speed of 15m/s?

How does sand becomes a form

The density of rubbing alcohol is 0.785g/mL at 25 Celsius. Calculate the mass of 15.0 mL of the rubbing alcohol.

Is a tree getting struck by lightning a physical or chemical change?

Why can two igneous rocks have the same minerals but different names?

Where do the heaviest elements in our solar system come from?

Four students presented different analogies to describe the formation of an ionic bond. Student A: A tug of war between seven middle school students and a high school student Student B: A small dog and a big dog tugging at a bone with equal strength

Chemical reactions occur when molecules or atoms collide so that the bonds between atoms break and new bonds form. breaking the bonds of the reactants requires energy; whereas, bond formation releases energy.

Calculate the volume of a 0.323-mol sample of a gas at 265 K and 0.900 atm.