Which one of these equations is balanced? a. Zn + 2hcl - - > ZnCl2 + H2 b. S8 + 24F2 - - > 8SF6

a

b

a and b

neither

In the standardization of the Na2S2O3 solution, if you did not titrate the liberated iodine immediately, how would this likely affect the value of the molarity you calculate?

Why is cake so yummy

What function of the muscular system is illustrated by the heart pumping blood throughout the body A) hormone regulation B) support and strength C) involuntary movement D) voluntary movement

What happens to the entropy of a piece of wood as it is burned?

1) Which of the following is the smallest unit of a chemio Tallest unit of a chemical element?

When metals combine with nonmetals the metallic atoms tend to

Which type of bond forms between water molecules? a. strong bond b. hydrogen bond c. covalent bond d. polar bond

Down syndrome is caused by the presence of an extra copy of chromosome 21. how would a karyotype identify a person with down syndrome? a) ID physical characteristics of someone with the disease.

Which expression is a measurement of denisty

Compare the information provided by a molecules chemical formula to the information provided by its structural formula