The mass of a nitrogen atom is 14 u. What is the mass, in grams, of 2 mol of N?

Compare the ph of 0.1 m na2co3 and 0.1 m nahco3. select the statements that explain the difference. na2co3 is a stronger base. nahco3 is a stronger base. na2co3 puts more oh - ion into solution.

The atomic mass of an element is the weighted average of the atomic masses of

Which of the following best explains why cells remove waste? Group of answer choices

How are acids and bases different?

Which of the following items are true of early nuclear science? (Multiple choice) •The first nucleus split was uranium-235. •The first nuclear reactions were done in the 1880's. •Albert Einstein himself caused the first nuclear reaction.

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