Atom <span>Appears in these related concepts: Early Ideas about Atoms, Stable Isotopes, and Atomic Theory of Matter</span>balanced equation <span>Appears in these related concepts: Effect of a Common Ion on Solubility, Reaction Stoichiometry, and Mole-to-Mole Conversions</span>bond <span>Appears in these related concepts: Factors Affecting the Price of a Bond, Current Maturities of Long-Term Debt, and Preferred Stock</span>chemical reaction <span>Appears in these related concepts: Periodic Table Position and Electron Configuration, Free Energy Changes for Nonstandard States, and Physical and Chemical Changes to Matter</span>chemistry <span>Appears in these related concepts: Description of the Hydrogen Atom, Mass-to-Mole Conversions, and General Trends in Chemical Properties</span>element <span>Appears in these related concepts: Development of the Periodic Table, Elements and Compounds, and The Periodic Table</span>energy <span>Appears in these related concepts: Surface Tension, Energy Transportation, and Introduction to Work and Energy</span>gas <span>Appears in these related concepts: Oxidation Numbers of Metals in Coordination Compounds, Irreversible Addition Reactions, and Microstates and Entropy</span>isolated system <span>Appears in these related concepts: Conservation of Mechanical Energy, Internal Energy, and Comparison of Enthalpy to Internal Energy</span>liquid <span>Appears in these related concepts: Overview of Atomic Structure, Types of Synthetic Organic Polymers, and Three States of Matter</span>matter <span>Appears in these related concepts: Physical and Chemical Properties of Matter, Introduction: Physics and Matter, and The Study of Chemistry</span>mole <span>Appears in these related concepts: Avogadro's Number and the Mole, Molar Mass of Compounds, and Concept of Osmolality and Milliequivalent</span>solid <span>Appears in these related concepts: Extractive Metallurgy, Metagenomics, and Some Polycyclic Heterocycles</span>system <span>Appears in these related concepts: Definition of Management, <span>Local, regional, national, international, and global marketers </span>, and Additional cost and energy saving suggestions for pumps</span>
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Answer:
Answer is c.
Explanation:
when you mix sugar with water,the sugar dissolves to make a transparent solution.
I hope it's helpful!
Explanation: Sodium is a metal with a low electronegativity it will form an ionic bond with a non metal with a high electronegativity.
Both Florine and Sulfur are non metals with high electronegativity.
Neon is a noble gas family VIII A and normally doesn't form any bonds at all.
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Answer: The enthalpy change for formation of butane is -125 kJ/mol
Explanation:
The balanced chemical reaction is,
The expression for enthalpy change is,
![\Delta H=[n\times H_f{products}]-[n\times H_f{reactants}]](https://tex.z-dn.net/?f=%5CDelta%20H%3D%5Bn%5Ctimes%20H_f%7Bproducts%7D%5D-%5Bn%5Ctimes%20H_f%7Breactants%7D%5D)
Putting the values we get :
![\Delta H=[4\times H_f_{CO_2}+5\times H_f_{H_2O}]-[1\times H_f_{C_4H_{10}}+\frac{13}{2}\times H_f_{O_2}]](https://tex.z-dn.net/?f=%5CDelta%20H%3D%5B4%5Ctimes%20H_f_%7BCO_2%7D%2B5%5Ctimes%20H_f_%7BH_2O%7D%5D-%5B1%5Ctimes%20H_f_%7BC_4H_%7B10%7D%7D%2B%5Cfrac%7B13%7D%7B2%7D%5Ctimes%20H_f_%7BO_2%7D%5D)
![-2877=[(4\times -393)+(5\times -286)]-[1\times H_f_{C_4H_{10}}+\frac{13}{2}\times 0]](https://tex.z-dn.net/?f=-2877%3D%5B%284%5Ctimes%20-393%29%2B%285%5Ctimes%20-286%29%5D-%5B1%5Ctimes%20H_f_%7BC_4H_%7B10%7D%7D%2B%5Cfrac%7B13%7D%7B2%7D%5Ctimes%200%5D)
Thus enthalpy change for formation of butane is -125 kJ/mol
Answer:
flocculation is the operation in which the coagulated water must be gently mixed at a propeller speed of 15 to 20 rpm to promote the growth of the floc. ... The flocculation basin often has a number of compartments with decreasing mixing speeds as the water advances through the basin.
Explanation:
