How many moles of C atoms are present in a sample of 3.85*10^24 C atoms?

Which volume is the greatest? Microliter Milliliter Deciliter Centiliter

Which of the following states of matter occurs at the highest temperature? A. Gas B. Liquid C. Plasma D. Solid

What do scientists use to determine what the interior of a moon is like?

What is the practical use of scientific knowledge to solve everyday problems and improve lives? A. research B. publications C. technology D. patents

Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 9.48 g of hexane is mixed with 43. g of oxygen. Calculate the minimum mass of hexane that could be left over by the chemical reaction.

Which is the best predictor of the radioactive nature of an isotope? (A) the proton-to-electron ratio (B) the neutron-to-proton ratio (C) the neutron-to-electron (D) ratio the electron-to-proton ratio

Which of the following statements correctly describes the relationship between fossils and rock strata? Fossils found in the rock strata are all the very small in size. Fossils are all found only in the top layers of the rock strata.

The trend for ionization energy is a general increase from left to right across a period. However, magnesium (Mg) is found to have a higher first ionization energy value than aluminum (Al).

A man is about to receive a bone marrow transplant. He is taking pills to suppress his immune system so that: A. his immune system does not attack the transplanted marrow. B. his immune system can recover after surgery. C.

Nickel (ii) chloride dissolves in water to form a light green solution. what ions are present in solution-that is, what is "swimming around" in the aqueous solution? write the formulas