What is the molar mass of CH4

How many moles are there in 45.0 grams of sulfuric acid, H2SO4? moles

Explain the order of entropy of particles in the states of matter.

Which substance takes the shape of and fills the volume of any container into which it is placed?

Select the person responsible for the following: microscope Galileo Van Leeuwenhoek Edison Newcomen

How many different elements have scientists discovered? 12, 112, 118, or more than 500?

Which statement is true for a pure compound but NOT true for a pure element?

Which one is uncelluar and which is multicelluar? crab or pond organism

An atom of lithium loses an electron. What is the effect of this event? Group of answer choices The atom of a different element is formed. The atom of lithium acquires no charge. The atom of lithium becomes a positively charged ion.

Water interacts with polar substances like - OH groups but not with non-polar substances like methyl (-CH3) or ethyl groups (-CH2). Using this information, select the molecules that will easily dissolve in water based on polarity not on size.

Which of the following statements is not considered weather? The wind is blowing 20 miles per hour right now in Kansas. It is raining in Seattle. It is usually humid in Florida. It is snowing in Colorado.