What type of reaction always takes one large molecule and breaks it down into its smaller pieces?

A. a synthesis reaction

B. a disynthesis reaction

C. a combustion reaction

D. a decomposition reaction

Which statement best explains the change that occurs when gas particles move more slowly

Biology which variable is measured in an experiment? A. dependent variable B. independent variable C. experimental variable

How many electrons does one atom of calcium donate to one atom of oxygen during the formation of the compound cao?

Which of the following weather conditions might result in a hurricane? A. a tornado that starts over a sandy area B. a thunderstorm that moves slowly C. strong winds that start over the ocean D. light rain over a small area of land

Structural strength and stability

Is the mass of an atomic nucleus greater or less than the sum of the masses of the nucleons composing it? Why don't the nucleon masses add up to the total nuclear mass?

Consider the equilibrium system below. If the system is at dynamic equilibrium, which statement is true? a. Sublimation of the NH4CI crystals stops. b. Solidification of the NH4CI vapors stops. c.

What happens to the atomic radius as the atomic number increases down and why

What is the oxidation number of sulfur in H2SO3? a. + 3 b. + 1 c. + 2 d. + 4

A) Write the formula of the conjugate base for acid HF. b) Write the name of the conjugate base found in part A.