Thomas says he can kick a soccer ball 45 meters. William says he can kick a soccer ball 49 yards. which one can kick the soccer ball?

How do the isotopes of an element differ? How are they the same?

What is the particle's position at t = 3.0s? express your answer to three significant figures and include the appropriate units?

What is a haploid and diploid cell?

Write the molecular equation and net ionic equation for the reaction of hydroiodic acid and potassium hydroxide. Include phases (states). Enter the formula for water as H 2 O.

Which of the following is true about the Sun? A. The Sun is the only star in the Universe. B. The Sun is one of many stars in the Milky Way Galaxy. C. The Sun is the only star in the Milky Way Galaxy.

What is the name of the reaction of chlorine and potassium iodide?

What enables Dna to have so many variations with only 4 chemicals?

A chemist obtains 500.0 mL of a solution containing an unknown concentration of calcium iodide, CaI2. He pipets 15 mL of this solution into a 100 mL volumetric flask and dilutes to the mark.

Enthalpy changes that are difficult to measure directly can often be determined using Hess' Law to construct an enthalpy cycle.

Student follow up The ionic equation for the reaction between zinc and sulfuric acid is. Zn (s) + 2H (aq) - - Zn" (aq) + H2 (g) a State what has been oxidised in this reaction. Explain your answer in terms of electrons.