Types of Reactions
What type of reaction has something drop out of it?
Precipitation Reaction
Is Ice melting into liquid a chemical reaction
NO
What does an atomic Number tell you
The number of protons and element has
How many Hydrogen atoms in 2C12H22O11
44
What is the molecular mass of HCl
36.5 g/mole
What are 2 ways to speed up a reaction
Raise the Temperature and add Catalyst
What is the sum of the atomic masses of the elements of a molecule called?
Molecular Mass
What do you call and atom that has the same number of protons but different neutrons.
Isotope
What does it mean to balance a chemical equation?
There will be the same number of each element on both sides of the equation.
What is the molecular mass of C12H22O11
342.3 g/mole
Reaction where electrons are lost?
Oxidation-Reduction
What does the atomic mass number tell you?
The sum of the mass of the protons and neutrons of an atom
What do you call a chemical reaction that can occur but we don't know when?
Spontaneous
Is this equation balanced:
H2 + O2 --> H2O
No
How many moles of HCL in 2 L of 4 M HCl has
2L x 4mole/L = 8moles
Reactions that give off energy are called
Exergonic
What is a Hydrogen atom with 1 proton and 1 neutron called?
Deuterium
What is Dalton known for?
Balance the equation: Mg + O2 --> MgO
2Mg + O2 --> 2MgO
How many grams of HCL in 2 L of 4 M HCl?
292g
Type of reaction that produces Salt and water?
Acid Base Reactions
What is a hydrogen atom with 1 proton and 2 neutrons called?
Tritium
Who discovered Atoms of Same element have same number of protons
Moseley
Balance the equation:
CH4 + O2 --> CO2 + H2O
CH4 + 2O2 --> CO2 + 2H2O
How many grams HCL in 500 mL of 4M HCl
73g