Science Chapter 15 Flashcards
Balance the following chemical reaction: Zn+____HCL—>H2+ZnCla
2
Electrochemical cell that generates electricity using substances that are continually replenished from an outside source is a ____ cell.
Fuel
Reaction that can proceed in either direction are said to be
Reversible Reactions
Which principle states that total mass of reactants is equal to the total mass of the products?
Law of conservation of mass
Energy Carrier of the cell is the compound named?
ATP
Statement that best describes the structure of DNA
2 backbones connect by base pairs from a double bond
Molecule which is an acohol
Look at card 18….
Which properties help explain the uniqueness of carbon?
Carbon has 4 valence electrons
General term for a reaction in which electrons are transferred between atoms
Redox Reactions
Lipids contains no double bonds
Saturated fat
Name of H3O + Ion
Oxonium
A slippery to touch as bitter to taste and turns litmus paper blue
Base
Which molecule is used as a working copy of genetic information?
RNA
Substance used to transport cholesterol thru the body
Lipoproteins
Substance used for food storage in plants
Starch
In a certain solution [H3O+] was 1x10 -4 mol/L after a reaction the pH increased by 6, what is the new pH?
10
Which principle states that when an equilibrium is disturbed, the system will behave in a way in which partially offsets the disturbance?
Le Chateliers Principle
What represents a combination reaction?
a+b—>ab
General term for a substance that speeds up a chemical reaction but is not permanently changed or consumed in the reaction.
Catalyst
Electrochemical cell designed to recharge with electricity from an outside source
Storage cell
Which type of electrochemical cell uses an electric current to produce a chemical reaction?
Electric cell
Which quantities decreases in every spontaneous reaction?
Useable energy
Which actions would likely increase the rate of a chemical reaction?
Increase surface area
Phopherous penta-chloride reacts with water to form phosphoric acid, according to the following reaction: PCI5+4H2O—>H3lo+5HCl what form of reaction is that?
????
