What term is used in science to describe the concept of balance?

• Homeostasis

• Equilibrium

• Stability

• Symmetry

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What happens when a natural system is disrupted?

• It increases in efficiency

• It stops functioning

• It goes out of equilibrium

• It remains unchanged

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What is a reverse reaction in chemistry?

• A reaction that only moves forward

• A reaction that cannot proceed

• Products reverting to reactants

• Reactants forming products

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What does the double arrow in chemical equations signify?

• Rapid reactions

• Reversible reactions

• Irreversible reactions

• Only forward reactions

What does the Haber process produce?

• Ammonia

• Carbon dioxide

• Oxygen

• Hydrogen

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NGSS.HS-PS1-5

What is the main product of the Haber process?

• Oxygen

• Ammonia

• Hydrogen

• Nitrogen

What does Fritz Haber's process primarily produce?

• Propane

• Ethanol

• Ammonia

• Methane

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NGSS.HS-PS1-5

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According to Le Châtelier's Principle, what happens when stress is applied to a system at equilibrium?

• The system collapses

• The system stops reacting

• The system minimizes the stress

• The system maximizes the stress

What historical figure is associated with the principle that describes how equilibria respond to changes?

• Niels Bohr

• Isaac Newton

• Henry Louis Le Châtelier

• Albert Einstein

What effect does removing ammonia from the system have on the Haber process?

• Decreases nitrogen production

• Shifts reaction to the left

• Shifts reaction to the right

• Stops the reaction

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NGSS.HS-PS1-5

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