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Chemistry

Why do ionic compounds have high melting and boiling points?

Ionic bonding occurs between metals and non-metals due to transfer of electrons. The non-metals gain electrons from the metals, giving the non-metals a negative...

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What is electronegativity?

Electronegativity is the ability of an element to attract a shared pair of electrons towards itself. The greater the electronegativity of the element, the more...

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Explain why Francium is the most reactive Group 1 element in terms of its electronic structure.

Group 1 elements have only one electron in their outer shell, which is the electron given up to take part in various chemical reactions. Elements are always try...

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What does an energy level diagram tell me?

Energy level diagrams are used to depict energy changes that occur during a chemical reaction. It shows relative energy levels of the products and reactants whe...

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Write a balanced chemical symbol equation for a reaction between Potassium and Water, including state symbols?

Potassium is a group 1 Metal. Metals vigorously react with water to form Metal Hydroxides. The balanced equation is given below:2K(s)+2H2O(l)→2KOH(aq)+H2(g)Hydr...

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What is an unsaturated hydrocarbon?

An unsaturated hydrocarbon contains at least one carbon carbon double bond, such as alkenes which contain the C=C functional group. Due to the presence of the d...

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What type of compound is CH3COOH? Circle the correct answer. A) Alkene B) Carboxylic acid C) Alcohol D) Ketone

. Carboxylic AcidExplanation:Alkenes are hydrocarbons with at least one double bond between carbon atoms.e.g CH2=CH2.Alcohols have the funtional group -OH but n...

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How do I calculate the relative formula mass of FeSO4 and the number of moles, when the formula mass of O=16, S=32, Fe=56 and the mass of FeSO4= 380g

The relative formula mass of a substance is the sum of the relative atomic masses of the atoms present in the formula. In case of FeSO4 we can calculate as...

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Calculate the enthalpy of formation of water.Is the reaction an exothermic or endothermic reaction?

Formation of water is as follows:H2 (g)+ ½ O2(g)⟶H2O(g) Bond energy or enthalpy is the amount of heat required to break a bond. Same amount of energy is re...

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