chemical reactions
The process by which atoms are rearranged to form new substances
What is chemical reaction
(of a reaction or process) accompanied by the release of heat.
What is exothermic
What is Mass/volume?
Density formula
Find density if the mass is 4.67g and the volume is 32.8mL
.14g/mL
What are the atoms on the right side of a chemical reaction called?
Products
(of a reaction or process) accompanied by or requiring the absorption of heat
What is endothermic
Mass / Density is the formula for ?
Volume
Find the Mass if density is 1.74g/mL and the volume is 63mL.
109.62g
2Mg + O2 is this in the equation
2Mg + O2 -> 2MgO
What are the reactants
When we mixed Calcium Chloride into a beaker of water, what type of reaction was this?
Exothermic
Density X volume is the the formula for?
Mass
Find the volume if the mass is 41g and the density is 3.2g/mL
12.8mL
Matter cannot be created nor destroyed.
When we poured vinegar into a graduated cylinder and the balloon filled up accompanied by a cooling, which reaction was this?
What is endothermic?
What is the definition of Mass?
The measurement of the amount of matter in an object.
an object with a density of .92 will do what in water?
What is float?
Name three signs of a chemical reaction
What is color change, temperature change, gas, bubbles, light, fire, etc...
Fireworks are what type of reaction?
Exo!
What is the density of water?
1g/mL
what do the following letters stand for? (hint, not milliliter or grams) THINK units*
mL= g= g/mL=
mL= Volume
g= mass
g/mL= density