Describe the interactions between water molecules and sodium and chloride ions

2. You have 2 m3 of a mineral ore sample. It has a mass of 1 * 104 kg. Calculate the density of the ore sample and express your results in g/cm3 with appropriate scientific notation.

Find the noble gas that only has two valance electrons

Suppose a chemist has two fatty acids and wants to identify which one is saturated and which one is unsaturated. She has discovered that they have the same chain length. She can identify the saturated fatty acid because it has more A-carbon atoms.

Explain why is there no chemical equation to describe what happens when water evaporates?

One of the intermediates in the synthesis of glycine from ammonia, carbondioxide and methane is aminoacetonitrile C2H4N2. The balanced chemical equation is 3CH4+5 CO2 + 8NH3 - --> 4C2H4N2 + 10H2O.

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in