How many ng/s are there in 5.55 x 10^-7 oz/hr?

The answer is 4.37055148 ng/s

Explanation:

A unit of mass, weight, or volume is called  ounce used in most British derived customary systems of measurement. The common avoirdupois ounce (approximately 28.3 g) is 1 ⁄ 16 of a common avoirdupois pound.

1 ng = 3.527396194958E-11 oz

1 oz = 28349523125 ng

Hence by calculating for 5.55 * 10^-7 oz/hr, we get 4.37055148 ng/s.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.