How do similarities in the bones of humans dolphins and horse and

birds provide evidence for evolution

In this nuclear reaction equation, oxygen decays to form nitrogen. Which equation correctly describes this decay? o 150 → 19N+ 150 + €→ 15N 150 → 15N+e 150 → 19N+e

Lipid bilayers:A. depend on hydrophobic interactions to arrange the polar head groups together in the interior of the bilayer. B. contain fatty acids that are immobile. C. are found only in eukaryotes. D.

What properties of metals would Mrs. Franklin most likely teach about with this demonstration?

Jai was measuring the radioactivity of different radioactive isotopes. isotope a had a starting radioactive level of 50 g, and after 4 days it measured at 30 g. isotope b had a starting radioactive level of 75 g, and after 4 days it measured at 25 g.

In a reaction, 24.9 L of N2 reacts with excess Hy to produce NH3. How many liters of NH3 were produced? How many grams of NH3 is this? The pressure in the lab is 97.8 kPa and the temperature was 23.7°C.

importance of pH value in daily life

How do metallic bonds differ from covalent and ionic bonds

Will ag2so4 precipitate when 100 ml of 5.0*10-2 m agno3 is mixed with 10 ml of 5.0*10-2mna2so4 solution?

How many grams of H₂ are produced with the reaction of 36 grams of water? 2 Na + 2 H20 - > 2 NaOH + h2

Which statement is the best description of a chemical bond? A. A chemical bond connects 2 different molecules. B. A chemical bond holds atoms together. c. A chemical bond turns molecules into atoms. D. A chemical bond identifies atoms in a molecule.