Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
In a periodic table square, what number tells you how many grams equals one mole?
|
Atomic Mass
|
|
|
|
1 mole C = ??? grams
|
12
|
|
|
|
1 mole K = ??? grams
|
39
|
|
|
|
1 mole He = ???grams
|
4
|
|
|
|
2 moles Cl = ??? grams
|
70
|
|
|
|
When referring to a gas, STP means....
|
Standard Temperature & Pressure
|
|
|
|
Standard temperature is...
|
0 degrees Celsius or 273 Kelvins
|
|
|
|
Standard pressure is ....
|
1 atm or 101.3 kPa or 760 mmHg
|
|
|
|
One unit or piece of an element is an....
|
atom
|
|
|
|
One unit or piece of a covalent compound is a....
|
molecule
|
|
|
|
One unit of an ionically bonded compound is ....
|
a formula unit
|
|
|
|
1 mole = ______ L gas at STP
|
22.4
|
|
|
|
3 moles Na = ??? grams
|
69
|
|
|
|
197 grams Au = ??? moles
|
1
|
|
|
|
390 grams Zn = ??? moles
|
6
|
|
|
|
67.2 L Hydrogen gas = ___ moles
|
3
|
|
|
|
112 L Nitrogen gas = ___ moles
|
5
|
|
|
|
3 moles oxygen gas = ____ L
|
67.2
|
|
|
|
1/2 mole chlorine gas = ____L
|
11.2
|
|
|
|
22.4 L He gas = ____g = ___mole
|
4, 1
|
|
|
|
120 g Ar gas = ____moles = ___L at STP
|
3 moles & 67.2 L
|
|
|
|
40 g Ne gas = ____ moles = ____ L at STP
|
2 moles & 44.8 L
|
|
|
|
1 mole Fe = ??? atoms Fe
|
|
|
|
|
2 moles copper = ??? atoms Cu
|
|
|
|
|
3 moles Si = ??? atoms
|
|
|
|
|
4 moles Se = ??? atoms
|
|
|
|
How many moles is this many atoms?
|
half a mole
|
|
|
How many moles is this many atoms of sulfur?
|
2
|
|
|
How many moles and grams is this many atoms of Aluminum?
|
3 moles & 81 grams
|
3 moles x 27 grams each
|
|
How many moles and grams of Mg is this number of atoms?
|
1/2 mole & 12g
|
Half of 24 grams
|
|
How many grams is this many atoms of B?
|
44
|
4 x 11 g
|
|
How many liters of gas at STP is this many atoms of Kr?
|
44.8 L
|
2 moles x 22.4L
|
