Conversions
Convert the number to Scientific Notation:
0.000503
5.03 x 10-4
What are the given and the asked for the following?
How many grams of water are produced if 25.0 g of NH4NO3 decomposes?
Given: 25.0 g NH4NO3
Asked: g water
What are the units of molar mass?
Que son los unidades de la masa molar?
Grams per mol
gramos por mol
What is Avogadro’s number?
6.022 x 1023 atoms
The branch of chemistry that calculates the quantitative relationships & allows us to predict outcomes.
la rama de la química que calcula las relaciones cuantitativas y Nos permite predecir resultados.
stoichiometry
estequiometria
CH₄ + 2O₂ → CO₂ + 2H₂O
Given 2.2 moles of CH₄, how many moles of CO₂ will be produced? // con 2.2 mols de CH4 cuantos mols de CO2 se crea?
2.2 moles of CO₂
What is the mole ratio between CO2 and H2O?
CO2 + 2LiOH → Li2CO3 + H2O
1 mol CO2 = 1 mol H2O
What is the molar mass of CO2?
44.01 g/mol
What conversion factor is used to go between mass and moles?
Cual factor de conversion se utilize para intercambiar entre masa y mols?
molar mass
la masa molar
What conversion factor is used to go between moles and moles?
Cual factor de conversion se utilize para intercambiar entre mols y mols?
mol ratio
Relacion molar
4Fe + 3O2 --> 2Fe2O3
How many moles of Fe2O3 will form from 5.0 moles of Fe? // Cuantos mols de Fe2O3 se crea de 5 mols de Fe?
2.5 moles of Fe2O3
What is the plan for the following:
A glass contains 2.35 x 1024 molecules of H2O. How many g of H2O are in the glass?
Un vaso contiene 2.35 × 10²⁴ moléculas de H₂O. ¿Cuántos gramos de H₂O hay en el vaso?
molecules H2O --> mol H2O --> g H2O
What is the mole ratio between CH4 and H2O? // Que es la relacion molar entre CH4 and H2O
2C4H10 + 13O2 → 8CO2 + 10H2O
2 mols CH4 = 10 mols H2O
What is a mol defined as? Qualitatively.
Como se defina un mol? Cualitativo.
The chemists unit of counting
La unidad de conteo de los químicos
How is the mol ratio determined?
como se determina la relacion molar?
Comparing the coefficients
comperar los coeficientes
Cl2 + 2Na --> 2NaCl
How many grams of NaCl are made from 1.25 mol of Cl? // cuantos gramos de NaCl se crea de 1.25 mols de Cl?
146 g
What is the molar mass of Mg(OH)2?
Cual es la masa molar de Mg(OH)2?
58.3 g/mol
What is the molar mass of CaCl2?
Que es la masa molar de CaCl2?
110.98 g/mol
What is a conversion factor?
A relationship between two values that allows us to convert units.
In short: What is dimensional analysis?
De corto: Que es la analysis dimensional?
Converting units
convertiendo unidades
2 KClO3 --> 2 KCl + 3 O2
How many grams of KCl will 7.90 g of KClO3 produce? // cuantos gramos de KCl se produciria 7.9 g de KClO3
4.81 g KCl
What is the plan for the following:
How many grams of NaCl can be produced from 10.0g of NaI? // ¿Cuántos gramos de NaCl se pueden producir a partir de 10.0 g de NaI?
2NaI + Cl2 --> 2NaCl + I2
g NaI --> mol NaI --> mol NaCl --> g NaCl
What conversion factors do I need for the following problem? // cuales factores de conversion necessito?
Fe3O4 + 4 CO --> 3 Fe + 4 CO2
How many moles of CO are needed to react with 16.5 g of Fe3O4? // Cuantos mols de CO se necessita para reaccionar con 16.5 g de Fe3O4?
Molar mass of Fe3O4 & mol ratio between Fe3O4 and CO