What kind of chemical reaction was the foam gnome lab?
What is exothermic reaction.
100
What gas was used in the Hindenburg?
What is hydrogen.
100
What are each side of the equations called when balancing?
What is reactants and products.
200
What is a solution?
What is a mixture in which a lesser quantity dissolves in a greater quantity.
200
What are the 2 main types of reactions?
What is chemical reactions and physical reactions.
200
What type of reaction was steel wool and vinegar?
What is exothermic reaction.
200
Reasons that the Hindenburg crashed.
What is German sabotage, static electricity, and the flammable fabric.
200
What is suspension?
What is a mixture in which particles are scattered throughout, but not dissolved in a substance.
300
One example of a solution is...
What is soda, etc.
300
T or F, Dissolving is a Physical Reaction
What is True
300
What two substances create hydrogen when mixed?
What is HCl and Zn.
300
Why did the Hindenburg slightly bounce back up when it hit the ground?
What is because there was a small amount of hydrogen left in the Hindenburg, causing it to bounce.
300
What is an operational definition?
What is a statement that shows if a substance contains a certain chemical. Ex. Iodine.
400
What is the universal solvent?
What is water.
400
The reaction that makes the mass stay the same?
What is both. (Chemical and Physical Reactions both stay the same because of the Law of Conservation of Mass.)
400
What did HCl and oyster shell create?
What is carbon dioxide.
400
How many passengers were on the Hindenburg when it crashed?
What is 97.
400
What force inside the nucleus holds the protons and neutrons together?
What is nuclear force.
500
What is morality?
What is concentration measured by the number of moles of solute per liter of solution.
500
What is a synthesis reaction?
What is a purposeful execution of chemical reactions to obtain a product, or several products. This happens by physical and chemical manipulations usually involving one or more reactions