The following characteristics describe which of these terms? the substance is not uniform in appearance and each part of the mixture contains a combination of different ingredients in different ratios. a. homogeneous mixturesb. heterogeneous mixturesc. pure substanced. solution

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy