Atomic Structure and Periodic Table
How many protons are in magnesium?
12
17 g/mol
If the temperature is 290 K, what is the temperature in celsius?
17 degrees celsius
By the Bronsted-Lowry definition, what type of compound donates the H+ (proton)?
acid
If volume increases, then pressure will ____
decrease
5
What measurement do we use to convert from grams to moles?
molar mass
In exothermic reactions, which way does the heat travel?
OUT of the reaction
If a substance has a pH of 5, what is the pOH?
9
What is the relationship between pressure and volume?
inversely proportional (one increases and one decreases)
How many electrons does carbon have?
According to the law of conservation, matter and energy can...
only change form
When you are cooking food in an oven, is the food endothermic or exothermic?
Endothermic
If a substance has a pH of 7, the [H+] will be...
1x10-7
Gas particles have no ____ but they do have ___ (kinetic molecular theory)
volume; mass
+2
Balance this reaction:
__C3H8 + __O2 --> __CO2 + __H2O
C3H8 + 5O2 --> 3CO2 + 4H2O
water has a ____ specific heat
high
If a substance has a pH of 4, it will turn phenolphthalein ____ and litmus paper ____
clear; red
the amount of collisions the air particles have with an object/their container
If fluorine becomes an ion what is its charge?
-1
What is the mass of one mole of aluminum?
26.98 grams
What type of reaction has occurred if there is a negative enthalpy change?
exothermic
If you have a polar solute, _____ is the best solvent
water
average kinetic energy