Chemistry Chapter 5 Quiz: Bonding

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Bonding basics in chemistry

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Chemistry Chapter 5 Quiz: Bonding


Froggy Jumps Chemistry Chapter 5 Quiz: BondingVersión en línea Bonding basics in chemistry por Cole Burgwyn 1 All chemical reactions are accompanied by changes in _______ a energy b appearance c physical property 2 Chemical reactions form ____ substances with new _______ a new; properties b c 3 In an ______ reaction, more energy is absorbed than is released. a endothermic b c 4 What is formed during a chemical reaction that has new properties? a Mixtures b Products c Reactants 5 In an exothermic reaction, what happens to energy? a Energy remains the same b More energy is absorbed than released c More energy is released than absorbed 6 What are substances undergoing a chemical change called? a Reactants b Products c Solvents 7 Boiling water at 100°C is an example of what type of change? a Chemical change b Physical change c Nuclear change 8 In a chemical equation, what does the arrow represent? a Yields b Reactants c Concentration 9 Which statement describes Law of Conservation of Mass? a Energy changes form b Matter is neither created nor destroyed c Reactions occur spontaneously 10 What is the coefficient in a balanced equation used for? a Show actual numbers of atoms/molecules b Represent catalysts c Indicate temperature 11 Which reaction type is shown by NH3 formation from N2 and H2 with certain coefficients? a Single replacement b Synthesis c Decomposition 12 What is the effect of adding a catalyst to a reaction? a Decrease the activation energy b Stop the reaction c Increase activation energy 13 Which statement is true about endothermic reactions? a Energy of products is greater than reactants b Energy of products is less than reactants c Energy remains constant 14 The reaction where hydrogen gas and oxygen gas are produced by running an electric current through water is an example of what type of reaction? a combustion b synthesis c decomposition 15 A reaction with two compounds as reactants and two compounds as products is most likely which type? a synthesis b single replacement c double replacement 16 What law states matter is neither created nor destroyed during a chemical reaction? a Law of Multiple Proportions b Law of Definite Proportions c Law of Conservation of Mass 17 What term describes a number in front of a chemical formula showing the actual number of atoms or molecules? a oxidation state b coefficient c subscript 18 The production of carbon dioxide gas during burning of a fuel is an example of what type of reaction? a combustion b decomposition c synthesis 19 In a chemical equation, the arrow is read as what? a produces b yields c reacts with 20 In the balanced equation for the formation of ammonia (NH3) from N2 and H2, the sum of the coefficients is what? a 6 b 2 c 4 21 The formation of a yellow precipitate in the reaction between silver nitrate and potassium iodide shows that what occurred? a a chemical reaction had taken place b a physical change c a phase change 22 Increasing the surface area of the reactants will do what to the rate of the reaction? a increase the rate b no effect c decrease the rate 23 The amount of a substance in a given volume is the concentration of the substance. True or false? a true b not determinable c false

Chemistry Chapter 5 Quiz: Bonding

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Chemistry Chapter 5 Quiz: BondingVersión en línea

por Cole Burgwyn

All chemical reactions are accompanied by changes in _______

Chemical reactions form ____ substances with new _______

In an ______ reaction, more energy is absorbed than is released.

What is formed during a chemical reaction that has new properties?

In an exothermic reaction, what happens to energy?

What are substances undergoing a chemical change called?

Boiling water at 100°C is an example of what type of change?

In a chemical equation, what does the arrow represent?

Which statement describes Law of Conservation of Mass?

What is the coefficient in a balanced equation used for?

Which reaction type is shown by NH3 formation from N2 and H2 with certain coefficients?

What is the effect of adding a catalyst to a reaction?

Which statement is true about endothermic reactions?

The reaction where hydrogen gas and oxygen gas are produced by running an electric current through water is an example of what type of reaction?

A reaction with two compounds as reactants and two compounds as products is most likely which type?

What law states matter is neither created nor destroyed during a chemical reaction?

What term describes a number in front of a chemical formula showing the actual number of atoms or molecules?

The production of carbon dioxide gas during burning of a fuel is an example of what type of reaction?

In a chemical equation, the arrow is read as what?

In the balanced equation for the formation of ammonia (NH3) from N2 and H2, the sum of the coefficients is what?

The formation of a yellow precipitate in the reaction between silver nitrate and potassium iodide shows that what occurred?

Increasing the surface area of the reactants will do what to the rate of the reaction?

The amount of a substance in a given volume is the concentration of the substance. True or false?

Chemical reactions form substances with new ___