Materials with ionic or covalent bonds tend to be more easily scratched?

You make a salt water solution by dissolving salt in water. In order to separate the salt back out of the solution, what should you do? A. It cannot be separated. B. Separate it with evaporation. C. Separate it with a filter. D.

What is the difference between asexual and sexual

Iron (II) chloride and sodium carbonate react to make iron (II) carbonate and sodium chloride: FeCl2 (aq) + Na2CO3 (s) → FeCO3 (s) + 2NaCl (aq). Given 1.24 liters of a 2.

The energy that is transferred due to a temperature difference

Which element in period 4 has the highest electronegativity?

U human ear is measured in?

Is the earth older than any of the rock layers.

Problem page liquid hexane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water. what is the theoretical yield of water formed from the reaction of of hexane and of oxygen gas?

Calculate the mass percent of a NaCl solution in which 140g of NaCl is dissolved in 4.50L of water at 25C (density = 0.997g/mL).

The vapor pressure of 25 milliliters of water at 25 degrees celcius will be the same as