Which statement describes a heterogeneous catalyst?

It is in a different phase than the reactants.

It is in the same phase as the reactants.

It increases the activation energy of a reaction.

It lowers the reaction rate.

Which of the following statements explains why ionic compounds are brittle? A) When a force is applied to the crystal, the weak electrostatic interactions cause opposite ions to attract and shatter the crystal lattice.

g Atrazine is an herbicide that is commonly used to control weeds in corn, sorghum, and sugarcane fields. Atrazine is a six membered heterocyclic ring with nitrogen at positions 2, 4, and 6. Carbon 1 is single bonded to chlorine.

Where is the dna restricted to in a eukaryotic cell

Given the equation 2 CO + O2 - > 2CO2, how many grams of CO2 form if 34.0 grams of CO are combined with excess oxygen? a) 53.4 b) 21.6 c) 145 d) 107 This question is really confusing to me, and I'm not even sure how to go about answering it.

Is yeast the same as baking powder

Calculate the concentration in % (m/m) of a solution containing 30.0g of mgcl2 dissolved in 270.0g of h20 A 11.75% B 10.0 % C 8.34 % D 7.41 % E 15.0 %

What type of an atom will form an ionic bond with flourine, atomic number 9?

Which structure is found in plant cell but not in an animal cell? A) cell wall B) cell membrane C) cytoplasm D) nucleus

When a conductor is passed through a magnetic field, a current is induced in the

What is a slogan for sulfur that rhymes