The following half-reaction method is used to balance oxidation-reduction equations. (1) determine which atoms change oxidation state from reactant to product in the reaction. (2) identify and write half reactions (oxidation and reduction). (3) return to the original chemical equation to balance it. (a) insert the coefficients from the half reactions first. (b) inspect the number of each atom on each side for all elements. which important step is missing from this procedure? check other reactions similar to this one. name the elements that are involved in the reaction. make sure the reduction half reaction is identified first. balance the half reactions based on the number of electrons.

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Is a measure of the resistance to flow. a high liquid has a high resistance to flow and flows slowly. the ancients thought everything in the world was made of 4 we now know that there are 94 naturally occurring and scientists have created another 24 i am certain they will create even more. honey flows slowly because it has a high to flowing. a can be separated by physical means because it contains more than one pure substance and 2 pure substances are not chemically bonded to each other. a cannot be separated by physical means. all matter is made up of all elements are with the same number of protons. if it is just a single or many bonded together, if all of them have the same number of protons, it is an element. in a piece of pure iron metal, all the are joined together, that piece of iron metal is called elemental iron. a single of iron is called elemental iron. a mixture has differences from place to place. we might need a microscope to see them or they might be obvious to the unaided eye. there are surfaces separating it into different phases. a mixture is the same everywhere. it is uniform. there are no surfaces separating it into different phases. if different kinds of atoms (different elements) are bonded together by their electrons, it is called a there are physical means of to isolate the different pure substances in a mixture and there are chemical means of to isolate the different elements in a compound. 1. element 2. compound 3. mixture 4. heterogeneous 5. homogeneous 6. pure substance 7. atoms 8. separation 9. viscosity 10. resistance

Which of the following is not true about the atomic model of substances?