Atoms and Matter (Tri1)
What are the three subatomic particles that make up atoms?
Protons, electrons, neutrons
What is it called when a solid turns into a liquid?
Melting
What is the Subscript of Nitrogen gas in the following equation?
N2+ 3H2-> 2NH3
2
What is the definition of Autotroph?
Organisms that create their own food using energy from the sun
What organisms perform cellular respiration?
All living organisms (heterotrophs AND autotrophs)
What is the atomic mass of Carbon?
12.011 AMU
What is it called when a gas turns into a solid?
sublimation
What are the reactant(s) in the following equation?
2H2O -> 2H2 + O2
H2O / water
What organelle does photosynthesis take place in?
Chloroplast
What are the reactants in cellular respiration?
Oxygen and Glucose
What is the atomic number of a fictional atom with 32 neutrons, 35 protons, and 35 electrons?
35
What is an endothermic reaction?
Energy is being absorbed from the environment, it feels cold
Balance the following equation:
CH4+ O2-> CO2+ H2O
CH4+2 O2-> CO2+2 H2O
What are the reactants of photosynthesis?
Carbon Dioxide and Water
If we dissolve Carbon Dioxide in water, will the water be neutral, alkaline, or acidic?
Acidic
What is the charge of the nucleus of an atom?
Positive
Is burning a match a chemical or physical change?
chemical
How many grams of Oxygen is produced in the following equation?
5 grams 2H2O -> 3 grams 2H2 + O2
2 grams of Oxygen
What part of photosynthesis does not need to happen during daytime?
Light-Independent reactions (calvin cycle)
What is the point of cellular respiration? (Why do our cells do it?)
Cells break down glucose to get usable energy for our bodies.
What is the charge of an atom that has 12 electrons, 11 protons, and 10 neutrons?
Negative
What are the four clues that indicate a chemical reaction?
Color change, Gas formation, Solid formation, energy change (temperature change)
Balance the following equation:
NO2+H2O -> NH3+O2
4NO2+6H2O -> 4NH3+7O2
What two molecules hold energy for the reactions in photosynthesis?
ATP and NADPH
How is cellular respiration and photosynthesis related?
The products of cellular respiration are the reactants for photosynthesis. The products of photosynthesis are the reactants for cellular respiration. One cannot happen without the other