A substance is tested with litmus paper. the blue litmus paper remains blue while the red litmus paper remains red. what can you conclude about the substance?

1. What is the basic unit of organization of all living things

Why is a calorimeter is needed to measure the molar heat of solution?

What is one possible way rock material can be recycled naturally? A) subduction B) mountain building C) human made glass D) erosion

1 moL of a substance is equal to 6.02 x 1023 atoms or particles True or false

Suppose that a certain drug company manufactured a compound that had nearly the same structure as a substrate for a certain enzyme but that could not be acted upon chemically by the enzyme.

Formula for sulfur tetrafluoride

Geologists think that parts of the Appalachian Mountains formed originally from sediments accumulating in shallow swamps. The weight of the sediments caused the area beneath them to sink, allowing more sediments to accumulate.

What volume would 1.5 mol of nitrogen gas occupy at standard temperature and pressure?

State three reason why do you think air is a mixture and water a compound?

Defined the following convection