Unit 1&2
What is the glassware that is used as a holding vessel for qualitative data?
Beaker
What is the molar mass of the arsenic trichloride?
181.27g/mol
Is burning paper a physical or a chemical change?
Chemical
How many liters of ammonia gas at STP were reacted with excess oxygen if 5.36 g of water was produced from the following reaction?
4.44 L NH3 at STP
A kettle being heated on top of a stove is an example of which type of heat transfer?
Convection
Convert 5.43 Kl to ml
5.43*10^6
5430000
Ion bonds are non conductive as ______
Solids
Balance the equation:
_Al+_HCl=_AlCl3+_H2
2Al + 6HCl = 2AlCl3 + 3H2
How many moles of oxygen gas is needed to completely react with 6.8 moles of hydrogen gas?
3.4 mol O2
Heat (Energy) will be listed on the product side of the reaction during which type?
exothermic
A metal block with a density of 5g/ml was split in half. What is the density of each split metal block?
5g/ml, It stays the same
What is the formula for Iodate?
IO^-3
What is the formula for sodium phosphide?
Na3P
How many grams of nitrogen monoxide can be produced from 2.96 grams of oxygen when reacted with ammonia
4NH3(g)+5O2(g)=4NO(g)+6H2O(g)
2.2 g NO
How many grams of hydrochloric acid are needed to completely react with 16.17 grams of magnesium hydroxide?
20.21 g HCl
Chlorine is 75.53% chlorine-35 and 24.47% chlorine-37. What is the average atomic mass?
35.49 amu
What are the 4 types of Intermolecular Bonding?
Network Solid, Metallic Bonding, Ionic Bonding, and Covalent Bonding
What is the formula for Ethane?
C2H6
How many liters of carbon dioxide at STP can be produced from the combustion 3.25*10^14 molecules of cyclopropane.
2C3H6(g)+9O2(g)=6CO2(g)+6H20(g)
363 L CO2 STP
If 0.392 moles of nitrogen monoxide was produced from this reaction, how many grams of water could have been produced?
4NH3+5O2=4NO+6H2O
8.89 g H2O
A student determines the mass of a beaker using a balance and records its mass as 47.12g. The accepted mass of the beaker is 47.93. What is the student's percent error?
1.5%
Is the IMF Stronger and weaker in a solid?
Stronger
What is the formula cyclodecane?
C10H20
How many moles of water can be produced from 14.6 moles of oxygen gas if there is excess hydrogen gas?
59.2 moles H2O
Find the heat change of the reaction
3 B2H6 (g) + 6 NH3 (g) ----> 4 B3H6N3 (l) + 12 H2 (g)
NH3 (g)-46.2
B2H6 (g)- 36.4
B3H6N3 (l)-541
-1996kj