How many moles of atoms are in 3.09•10^23 He

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If the product of a reaction are NaCl and H2O what does the law of conservation of mass reveal about the reactants in the reaction

What type of bonding occurs in a sample of pure sodium,? In other words, how is one sodium atom held to another sodium atom? A. Covalent B. metallic C. ionic

Which scientist discovered the existence of a center to the atom?

What do a mole of magnesium and a mole of iron have in common

How does chemical change affect the composition of matter

When the equation Fe+S - -> Fe2S3 is balanced, what is the coefficient for sulfur?

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In this reaction: Mg (s) + I₂ (s) → MgI₂ (s) If 2.34 moles of Mg react with 3.56 moles of I₂, and 1.76 moles of MgI₂ form, what is the percent yield?

Using the Acceleration Equation Try it A cyclist going downhill is accelerating at 1.2 m/s2. If the final velocity of the cyclist is 16 m/s is the cyclist's initial velocity? o oo 0 4 m/s O 12 m/s O 18 m/s O 20 m/s