Chemical equation Study guides, Class notes & Summaries

FAC1602 Assignment 1 Semester 1 2024 (SOLUTIONS) Question 1 Answer saved Marked out of 6.50 Flag question Question text Mhlalkwana Dealers is in the business of selling leather jackets, at a price of R1 500 each, around the townships of KwaNdebele. The owner, Masango, was approached by a local clothing store called Thubana Clothing for a bulk sale. Mhlalkwana Dealers sold 18 jackets to Thubana Clothing on credit and this transaction was concluded on 31 October 2023. This transacti...

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smalle...

1. A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 2. You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 3. When the following reaction goes in the forward direction, what is the base? 4. You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...

CHM151 Rio Salado Midterm Questions and Answers 100% Pass What is the definition of an element in chemistry? An element is a substance that cannot be broken down into simpler substances by chemical means and consists of only one type of atom. How do you determine the number of protons in an atom? The number of protons in an atom is equal to the atomic number of the element. What is the primary difference between an ionic bond and a covalent bond? An ionic bond is formed by the...

Chemistry 101 Final Ivy Tech Exam Questions with 100% Verified Correct Answers Graded A+ Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: O2 + Mg ⟶ 2 MgO If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form? A. 8 Moles B. 2 Moles C. 4 Moles D. 1 Mole E. Not Enough Info - Correct Answer C Which of the following is TRUE? A. Stoichiometry allows predic...

What is a photosynthetic autotroph? - Answer-An organism that makes its own food from inorganic ingredients. What is the fluid inside chloroplasts called? - Answer-Stroma What are the membranes inside chloroplasts called? - Answer-inner and outer membranes Write the overall equation for photosynthesis. - Answer-6CO2+6H2O→C6H12O6+6O2 What is the primary function of pigments in photosynthesis? Name the primary pigment used in photosynthesis. - Answer-Pigments absorb certain wavelengths. Th...

What is a photosynthetic autotroph? - An organism that makes its own food from inorganic ingredients. What is the fluid inside chloroplasts called? - Stroma What are the membranes inside chloroplasts called? - inner and outer membranes Write the overall equation for photosynthesis. - 6CO2+6H2O→C6H12O6+6O2 What is the primary function of pigments in photosynthesis? Name the primary pigment used in photosynthesis. - Pigments absorb certain wavelengths. They are the means by which the energ...

AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022 *JUN* IB/M/Jun22/E7 7404/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 Section B TOTAL Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions...

Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: O2 + Mg ⟶ 2 MgO If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form? A. 8 Moles B. 2 Moles C. 4 Moles D. 1 Mole E. Not Enough Info correct answer: C Which of the following is TRUE? A. Stoichiometry allows prediction of how much of the reactants are necessary to form a given amount of product. B. ...

Test Bank General Organic and Biochemistry 10th Edition By Katherine Denniston, Joseph Topping, Danae Quirk Dorr, ISBN10: 1260148955, ISBN13: 9781260148954 Table of Contents Part 1 General Chemistry 1 Chemistry: Methods and Measurement 2 The Structure of the Atom and the Periodic Table 3 Structure and Properties of Ionic and Covalent Compounds 4 Calculations and the Chemical Equation 5 States of Matter: Gases, Liquids, and Solids 6 Solutions 7 Energy, Rate, and Equilibrium 8 Acids and...

The mole concept - Answer-A method that allows the relative number of reactant particles involved in a chemical reaction to be known Avogadro's number - Answer-number of representative particles in a mole, 6.02 X 10^23 Basic structures of atoms - Answer-There is a nucleus in the center surrounded by an electron cloud or field Quantum numbers - Answer-Quantum numbers describe values of conserved quantities in the dynamics of a quantum system. In the case of electrons, the quantum numbers c...