Which item is the largest?

A) atomB) electronC) neutronD) proton

The reaction described by the equation O 3 (g) + NO (g) ⟶ O 2 (g) + NO 2 (g) has, at 310 K, the rate law rate of reaction = k [ O 3 ] [ NO ] k = 3.0 * 10 6 M - 1 ⋅ s - 1 Given that [ O 3 ] = 7.0 * 10 - 4 M and [ NO ] = 5.

You have 3 moles of a substance. Which statement is true? You have six times the number of particles that are in 12 grams of carbon-12. You have the same number of particles as in 12 grams of carbon-12.

Which of the following electron configurations is correct? a. Sc, 1s22s22p63s23p64d14s2 b. Cl, 1s22s22p63s23p5 c. Ca, 1s22s22p63s23p63d2

Toothpaste is used to clean tarnished silver. Give reason

If a carbon atom has - 4 electrons

Consider a triprotic acid like phosphoric acid or citric acid. which expression correctly describes the relative magnitudes of the three ka equilibrium constants?

If 14g of ethene reacts with excess amount of steam to give 17.25g of ethanol what is the percentage yield

The electrical conductivity of an aqueous solution depends on the concentration of which particle in the solution

What changes in physical properties can be used as evidence that a chemical reaction has occured?

What distance is travled by a police car that moves at a constant speed of 1.5 km/min for 5.0 min?