Smoke fiilling up a room is diffusion or not

What are some advantages of using less farm machinery in planting?

A homogeneous mixture has the same composition throughout. a. True b. False

What is the difference between a jar of hydrogen and oxygen and a jar of water vapor

Why are the offspring produced by sexual reproduction different than their parents? Offspring create new DNA without using their parents' DNA. Offspring create new DNA with their parents' DNA as a template.

Friction depends on the types of surfaces involved and how hard the surfaces push together. True or False

What is the molarity of a solution that has 548 grams of HCl dissolved in 1.50 l water?

Steve puts some cheddar cheese in a pan on the stove and starts to melt it. After a little while, there is a layer of oil floating on top of the cheese. From the way the cheese melted, Steve knows it is a A Element B Solid C Mixture D Pure Substance.

Which experimental feature of the MALDI-MS technique allows the separation of ions formed after the adduction of tissue molecules? A) Distance travelled by ions depends on the ion charge. B) Velocity of ions depends on the ion mass-to-charge ratio.

Which temperature is required for the cell potential to be the standard cell potential? A) - 273°C B) 100°C C) 25°C D) 0°C

1. the purpose of the aqueous solutions in a galvanic cell is to? a. provide ions to be oxidized and reduced b. provide a path for the free flow of electrons c. maintain charge balance in the cell d. correct any volume changes in the cell 2.