Which of the following is a decomposition reaction?

A. 2Mg+O2 - > 2MgO

B. CH4+2O2 - > CO2+H2

C. 2H2O + 2Na - > 2NaOH+H2

D. CaCO3 - >CaO+CO2

Which of the following statements is FALSE? When the insulin/glucagon ratio increases, PFK-1 is dephosphorylated and active fructose-2,6-bisphosphate allosterically activates PFK-1 fructose-1,6-bisphosphate is a feedforward activator of pyruvate

How do similarities in the bones of humans dolphins and horse and birds provide evidence for evolution

What is the maximum number of electrons the n = 4 shell can contain?

This form of matter does not have definite shape and is not easily compressed. solids liquids gases plasmas

All of the following are good conductor's of heat except

Which of the following is a characteristic of nonmetals? a. nonmetals are often shiny and hard. b. nonmetals are often malleable. c. Nonmetals do not conduct electricity. d. nonmetals are often ductile.

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?