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- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/10%3A_The_Mole/10.07%3A_Conversions_Between_Moles_and_Gas_VolumeThis page discusses the measurement of gas volume in chemistry, focusing on the calculation of moles for optimal reactions. It highlights the concept of molar volume at standard temperature and pressu...This page discusses the measurement of gas volume in chemistry, focusing on the calculation of moles for optimal reactions. It highlights the concept of molar volume at standard temperature and pressure (STP), where 1mol=22.4L, and provides examples for converting gas volumes to moles and vice versa. The importance of maintaining STP conditions during these calculations is emphasized, along with practice questions for further comprehension.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/17%3A_Thermochemistry/17.09%3A_Stoichiometric_Calculations_and_Enthalpy_ChangesThis page discusses growing concerns over manufacturing emissions and the subsequent need for pollutant reduction equipment. Studies focus on measuring product output and energy changes associated wit...This page discusses growing concerns over manufacturing emissions and the subsequent need for pollutant reduction equipment. Studies focus on measuring product output and energy changes associated with pollution. It highlights the use of stoichiometry in analyzing enthalpy changes, specifically through calculating energy released from the combustion of sulfur dioxide, demonstrating the conversion from mass to moles for accurate assessments.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/20%3A_Entropy_and_Free_Energy/20.05%3A_Calculating_Free_Energy_Change_(left(_Delta_Gtexto_right))This page explains the process of baking, emphasizing the importance of heating ingredients to specific temperatures for chemical reactions. It discusses the Gibbs free energy change (\(\Delta G^\text...This page explains the process of baking, emphasizing the importance of heating ingredients to specific temperatures for chemical reactions. It discusses the Gibbs free energy change (ΔGo), illustrated with an example of methane and water where the calculated ΔGo is +142.0 kJ/mol at 25°C, indicating a non-spontaneous reaction at that temperature. It also warns of the need to carefully apply these thermodynamic values across different temperatures.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/10%3A_The_Mole/10.08%3A_Mole_Road_MapThis page explains the "mole road map" in chemistry, which aids in understanding moles for calculations related to mass, particle number, and gas volume at STP. It presents a structured method for con...This page explains the "mole road map" in chemistry, which aids in understanding moles for calculations related to mass, particle number, and gas volume at STP. It presents a structured method for conversions and includes an example of calculating the volume of 79.3 g of neon gas, resulting in 88.0 L. The mole road map is emphasized as a valuable tool for systematic problem-solving in chemistry.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/10%3A_The_Mole/10.05%3A_Conversions_Between_Mass_and_Number_of_ParticlesThis page outlines Avogadro's contributions to gas laws, focusing on the connections between gas volume, particle count, and mass. It details the conversion of mass to the number of particles through ...This page outlines Avogadro's contributions to gas laws, focusing on the connections between gas volume, particle count, and mass. It details the conversion of mass to the number of particles through moles, featuring an example with 20 grams of chlorine gas (Cl2). The summary highlights the calculation methods and includes review questions to reinforce understanding of mass and particle conversions.
- https://chem.libretexts.org/Courses/Lakehead_University/Analytical_I/2%3A_Basic_Tools_of_Analytical_Chemistry/2.3%3A_Stoichiometric_CalculationsA balanced reaction, which gives the stoichiometric relationship between the moles of reactants and the moles of products, provides the basis for many analytical calculations.
- https://chem.libretexts.org/Courses/Los_Angeles_Trade_Technical_College/Analytical_Chemistry/2%3A_Analytical_Chemistry_2.0_(Harvey)/03%3A_Basic_Tools_of_Analytical_Chemistry/3.3%3A_Stoichiometric_CalculationsA balanced reaction, which gives the stoichiometric relationship between the moles of reactants and the moles of products, provides the basis for many analytical calculations.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/03%3A_Measurements/3.15%3A_RoundingThis page discusses the practice of rounding numbers, especially regarding significant figures. It explains how people simplify measurements for easier communication, as seen in examples involving fis...This page discusses the practice of rounding numbers, especially regarding significant figures. It explains how people simplify measurements for easier communication, as seen in examples involving fishermen. The text highlights the relationship between rounding and precision, noting that increased rounding can diminish accuracy. It underscores the importance of grasping rounding rules for scientific precision.
- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(LibreTexts)/16%3A_The_Properties_of_Gases/16.E%3A_The_Properties_of_Gases_(Exercises)This page covers homework exercises from Chapter 16 of McQuarrie and Simon's "Physical Chemistry," focusing on calculations involving gas mixtures, ideal gas laws, and various equations of state like ...This page covers homework exercises from Chapter 16 of McQuarrie and Simon's "Physical Chemistry," focusing on calculations involving gas mixtures, ideal gas laws, and various equations of state like van der Waals and Redlich-Kwong. It includes problems on gas behavior, critical properties, and the application of the Newton-Raphson method for solving cubic equations.
- https://chem.libretexts.org/Bookshelves/Analytical_Chemistry/Analytical_Chemistry_2.1_(Harvey)/02%3A_Basic_Tools_of_Analytical_Chemistry/2.08%3A_ProblemsThis text provides exercises on significant figures, calculations with chemical formulas, concentrations, and molarities. It challenges readers to determine significant figures in given numbers, round...This text provides exercises on significant figures, calculations with chemical formulas, concentrations, and molarities. It challenges readers to determine significant figures in given numbers, round numbers, perform calculations with appropriate significant figures, and solve problems involving molarity, concentration levels, and stoichiometric conversions. Specific chemical and mathematical problems are included for practical understanding.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/16%3A_Solutions/16.08%3A_MolarityThis page explains molarity as a concentration measure in solutions, defined as moles of solute per liter of solution. It contrasts molarity with percent solutions, which measure mass instead of molec...This page explains molarity as a concentration measure in solutions, defined as moles of solute per liter of solution. It contrasts molarity with percent solutions, which measure mass instead of molecular quantity. The text includes examples for calculating molarity and finding the mass of solute required for specific concentrations, underscoring the importance of accurate measurements in laboratory settings.
