How many grams are in 7.9*10^-1 moles of argon

How many isomers with a molecular formula of c6h10 contain an internal alkyne?

When we boiling the ice, why after about 15 minutes the temperature of it doesn't change anymore? (answer by temperature/molecules/phase change)

Which statements describe proper use of a filter funnel? Check all that apply. Cut the filter paper in half before placing it in the funnel. Fold the filter paper in fourths before placing it in the funnel. Pour all the liquid through the funnel.

Is LiOH soluble or insoluble? Is Na2CO3 soluble or insoluble? Cu (OH) 2 soluble or insoluble?

The substance in a chemical reaction that are combined or separated to form new substances are the

What mechanical waves needs a medium to travel through? A. all mechanical waves need a medium to travel through B. surface waves only C. transverse and longitudinal waves only D. longitudinal and surface waves only

Which of the following statements correctly describes how Moseley's research affected the development of the periodic table? Moseley's research led to the reorganization of the elements based on their atomic mass instead of their physical appearance.

A minerals luster is produced by its ability to transmit light. Opaque minerals always have a metallic luster because they do not transmit any light. True False

The elements selenium and oxygen are both poor electrical conductors in which section of the periodic table are they found

What is the mole ratio of NaOH to Al (OH) 3