Which of the following reactions best illustrates the Law of Conservation of Matter? A.) H2O2H2O + O2
B.) Na + CuS Na2S + 2Cu
C.) K + AgCl KCl + Ag
D.) NaOH + 2HCl NaCl + H2O

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

What are the genotypic and phenotypic ratios

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?