Which of the following relationships concerning solute and solvent are false?

A. like dissolves like

B. ionic dissolves in polar

C. polar dissolves in polar

D. nonpolar dissolves in polar

Which statement is true about the magnet and nails? A) Both the magnet and the nails are permanent magnets. B) Both the magnet and the nails are temporary magnets. C) The magnets are temporary. D) The magnets are permanent.

In the formation of a macromolecule, what type of bond would join two amino acid subunits? A) ionic bond B) phosphodiester bond C) hydrogen bond D) peptide bond

2NO (g) + O2 (g) - - > 2NO2 How many moles of O2 are required to produce 46.0 g NO2? A. 0.500 mol B. 0.250 mol C. 1.00 mol D. 8.00 mol

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that 1. equal numbers of each isotope are present 2. more isotopes have an atomic mass of 2 or 3 than of 1 3.

Mole of Al 3.26*10^24 atoms of Al

What compares a law and a theory?

Explain what domain would best be represented by the "?" in the diagram. A) Eukarya because the organisms are all eukaryotic. B) Eukarya because the organisms are all prokaryotic. C) Bacteria because some of the organisms are autotrophs.

If you are eating a hamburger, it is an example of a consumer eating another consumer. a) true b) false

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g) Explain in steps

In which group do all atoms have seven valence electrons in the ground state?