The 54.9-g sample of the compound X2O7 contains 33.6 g of oxygen atoms. What is the molar mass of element X?

What will be produced if you mix an acidic solution and an alkaline solution?

What examples of a solid turning into a liquid

Which two trends increase when one moves across a period from left to right? atomic size and size of cations ionization energy and atomic size ionization energy and electronegativity electronegativity and atomic size

Which organic compound is produced when three fatty acid molecules bond to one glucose molecule?

Which radioisotope is used for diagnosing thyroid disorders? (1) U-238 (3) I-131 (2) Pb-206 (4) Co-60

Classify each substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. a. Sweat b. Carbon dioxide c. Aluminum d. Vegetable soup

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .

For 2H2 + O2 → 2H2O: 4 moles of H2 will react with moles of O2 to produce moles of H2O

Rutherford's experiment showed that subatomic particles a. are the same size and shape as the atom. b. don't take up most of the space in an atom. c. all have similar sizes and characteristics. d. do not influence the behavior of an atom.

Why are electrolytes important in your body? Do you need to drink Gatorade to get them?