Limiting reactant - Study guides, Class notes & Summaries

PSB Natural Science Exam Study Questions and Answers What is the name for any substance that stimulates the production of antibodies? - Ans:- antigen List the cellular hierarchy from the simplest to the most complex structure. (organism, organ, organ system, cell, tissue) - Ans:-cell, tissue, organ, organ system, organism If a cell is placed in a hypertonic solution what will happen to the cell? - Ans:-it will shrink Which group of major parts and organs make up the immune system? - Ans:...

General Chemistry 1 Midterm 1 | Latest Version | 2024/2025 | 100% Verified What is the difference between an element and a compound in terms of their chemical composition? An element is a pure substance consisting of only one type of atom, whereas a compound is a substance composed of two or more different types of atoms chemically bonded together. How do you determine the molecular weight of a compound from its chemical formula? The molecular weight of a compound is determined by s...

UNIT 4 Combustion of Methane: CH4(g) + 2 02 -> C02 (g) + 2 H20 (g) a) If we have five molecules of CH4 and eight molecules of 02, which is the limiting reactant? 02 is limiting reactant because it yields the least amount of product UNIT 4 N2 (g) + 3 H2 (g) -> 2 NH3 (g) Find mol of NH3 (reactant and excess) H2 is the limiting reactant because it yields 2 molecules of NH3 while N2 yields 6 molecules of NH3 UNIT 4 How many moles of Si3N4 can be made from 1.20 moles of of Si and...

General chemistry 1 cumulative final exam questions and answers What is the sum of all coefficients after balancing the following equation: C12H8N2+O2+OH- ⟶ CO32- +H2O+N2 ️️68 What is the coefficient for O2 after balancing the following equation? O2 + C10H22 ⟶ CO2 + H2O ️️31 Acetylene torches burn acetylene by combining it with oxygen gas to produce carbon dioxide and water according to the following balanced equation: 2 C2H2 + 5 O2 ⟶ 4 CO2 + 2H2O Use the following molar...

stoichiometry - the calculations of quantities in a chemical reaction mole ratio - a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles mass-mass calculations - a stoichiometric computation in which the mass of products is determined from the given mass of reactants mole - quantity of matter that contains 6.02 x 10^23 particles of that substance reactant - A chemical substance that is present at the start of a chemical reaction ...

Chemistry Final Exam with 100% Correct Answers | Verified | Updated First order rate equation - answerln(Ao/A) = kt What is a reaction intermediate? - answerIt's always the product in the slow reaction that is used as a reactant in one of the fast reactions. Rate limiting step. The first order integrated rate law: Determining the concentration of a reactant at a given time using initial conc and rate by temperature. - answerln[A]t = e^(-kt + ln[A]₀) Calculating half-life - answert 1/2 ...

stoichiometry - The study of quantitative relationships between the amounts of reactants used and products formed by chemical reaction; is based on the law of conservation of mass. mole ratio - Ratio between the numbers of moles of any two of the substances in a balanced chemical equation. unknown - a variable whose values are solutions of an equation coefficient - a whole number that appears in front of a formula in a chemical equation balanced equation - a chemical equation in which mass...

Subscript - A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound Law of conservation of mass - mass is neither created nor destroyed during ordinary chemical reactions or physical changes Mole ratio - fraction formed from the coefficients in a balanced chemical equation. Avogadro's Number - number of representative particles in a mole, 6.02 X 10^23 Products - The elements or compounds produced by a chemical reaction. On the rig...

CHEM 121 LAB FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED AND GRADED A+ ALREADY PASSED Which method of analysis generally is the fastest method, gravimetric or volumetric? Volumetric The label on plant food reads 25-20-17. What does this mean? 25% nitrogen 20% phosphorus 17% potassium Differentiate between qualitative and quantitative analysis. Qualitative is what is in the sample, quantitative is how much of something is in the sample. There is a 1.290 g of phosphorus P in a...

To answer this question, you may need access to the periodic table of elements, a calculator, and the equations and charts in the tutorial associated with this question. If 23.6 g of hydrogen gas reacts with 28.3 g of nitrogen gas, what is the maximum amount of product (ammonia, NH₃) that can be produced? [N₂ + 3H₂ --> 2NH₃; N = 14.0 g/mol, H = 1.01 g/mol]  133 g  23.6 g  68.8 g  34.4 g RATIONALE First, write the balanced chemical equation. Then, convert g hydro...