le chatelier / ocean acidification/ antacid neutralization
when somthing is done to a reaction,the reaction will respond in the way
Opposite
What type of solution would a substance with a pH of 4.5 be?
Acidic
In the reaction below, identify the Bronsted-Lowry acid and base, as well as the conjugate acid and conjugate base.
NH3+H2O⇌NH4+OH
NH3--> Base
H2O--> Acid
What is the most commonly used expression for Concentration in Stoichiometry?
Molarity
What is an ionic bond?
What is the point of antacids and when are they used?
They are used to bring the stomach's pH closer to 7 instead of being more acidic
What is the range of Basic Solutions?
8-14
N2+3H2→2NH3
If 5.0 moles of N₂ and 9.0 moles of H₂ are mixed and reacted completely, what is the limiting reactant, and how many moles of NH₃ are produced?
H₂ is the limiting reactant; 6.0 mol NH₃ produced
What is the molar mass of H2O (water)?
18.02 g/mol
Where Ions are able to share electrons
If you increase the pressure on a system at equilibrium involving a gas-phase reaction, what will happen according to Le Chatelier's Principle?
The system will shift towards the side with fewer gas molecules.
pOH = 12.40
How many moles of water (H₂O) are produced when 1 mole of hydrogen gas (H₂) reacts with 1 mole of oxygen gas (O₂) according to the balanced chemical equation:
2H2+O2→2H2O
1 mol H20
"In a double displacement reaction between sodium chloride (NaCl) and silver nitrate (AgNO₃), what are the products formed?
It produces silver chloride (AgCl) and sodium nitrate (NaNO₃) as the products.
Which of the following types of bonds is the strongest intramolecular force?
A) Hydrogen bond
B) Ionic bond
C) Covalent bond
D) London dispersion forces
Ionic Bond
N2(g)+3H2(g)⇌2NH3(g) ΔH=−92kJ/mol
What modification to the amount of H2 would result in an increase of NH3?
Increasing amount of H2
Which of the following pairs of substances does not represent a conjugate acid-base pair according to the Bronsted-Lowry theory?
A) H2Oand OH−
B) HCl and Cl−
C) NH3 and NH4+
D) H2SO4 and HSO4−
Option C, it accepts a proton not loses one.
2Al+6HCl→2AlCl3+3H2
How many liters H₂ are produced when 13.5 grams of Al react completely with excess hydrochloric acid?
(Molar mass of Al = 26.98 g/mol)
16.8 L H2
Balance the following chemical reaction:
Fe+O2→Fe2O3
4Fe+2O2-> 2Fe2O3
Name the compound with the chemical formula CuCl2
Copper II chloride
Given the equation:
2H2S (g) = 2H2 (g)+ S2 (g) Energy: -67 kJ
What will happen to the amount of S2 if you were to increase the system temperature?
What occurs during ocean acidification and who does it affect?
CO2 is absorbed into the ocean to form H2CO3 which can dissolve shells made out of calcium carbonate.
C3H8+5O2→3CO2+4H2O
If 44 grams of propane are completely combusted, how many grams of carbon dioxide are produced?
(Molar masses: C = 12.01 g/mol, H = 1.008 g/mol, O = 16.00 g/mol)
132.0 g CO2
Balance the chemical equation:
C4H10+O2→CO2+H2O
C4H10+13O2→8CO2+10H2O
Name the compound with the chemical formula Fe2O3
iron III oxide