Which statement best describes reproduction among Bactria under ideal conditions

0.25 mole of O2 will contain the same number of molecules as 0.25 mole of NH3. true or false?

The accepted value for the molar volume of a gas is 22.4 liters. In a laboratory experiment, a student determines the value to be 24.8 liters. What is the percent error of the student's measurement? A) 0.120% B) 0.107% C) 10.7% D) 12.0%

What is the total number of hydrogen atoms in a molecule of heptyne?

Which is a characteristic of a decomposition reaction? A. Substance P replaces X in the compound XY. B. Substance XYZ breaks down into X, Y, and Z. C. Substance Z burns in the presence of oxygen to form ZO. D.

What snail shaped object in the ear contains thousands of nerve cell and is crucial to hearing sound

Which of the following processes includes all of the others? Group of answer choices transport of an ion down its electrochemical gradient osmosis passive transport facilitated diffusion

How is the Bohr atomic model different from the plum-pudding model? A. In Bohr's model, the atom's mass is found at its center instead of distributed throughout. B. In Bohr's model, the atom's mass is mostly made up of electrons instead of protons.

What does the cell theory state? A. that cells come from other cells B. that cells come only from animals C. that cells cannot be created or destroyed

For which one of the following molecules is the indicated type of hybridization not appropriate for M the central atom? a. BeCl2 sp2 b. SiH4 sp3 c. BF3 sp2 d. C2H2 sp e. H2O sp3

P4O10 (s) = - 3110 kJ/mol H2O (l) = - 286 kJ/mol H3PO4 (s) = - 1279 kJ/mol Calculate the change in enthalpy for the following process: P4O10 (s) + 6H2O (l) → 4H3PO4 (s)