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Nursing Elites

ATI TEAS 7

English Grammar

1. Identify the conjunction in the following sentence: He went to the store, but they were already closed.

Correct answer: C

Rationale: Conjunctions connect words, phrases, or clauses. "But" joins two contrasting ideas in the sentence.

2. Two identical balls, one made of clay and the other made of steel, are dropped from the same height. Which ball reaches the ground first, neglecting air resistance?

Correct answer: C

Rationale: In a vacuum (neglecting air resistance), the acceleration due to gravity is constant for all objects regardless of their mass or composition. This means both balls will experience the same acceleration and reach the ground at the same time.

3. What is the stoichiometric coefficient of nitrogen (N2) in the balanced equation for the Haber process: N2 + 3H2 → 2NH3?

Correct answer: a

Rationale: The coefficient of N2 is 1 in the balanced equation

4. How does an increase in surface area affect the force of friction between two surfaces?

Correct answer: b

Rationale: Increasing surface area reduces the force per unit area, decreasing friction.

5. Which of the following properties is NOT characteristic of a covalent bond?

Correct answer: B

Rationale: Covalent bonds are formed by the sharing of electrons between atoms. This sharing results in the formation of molecules with directional bonding, where the atoms are held together in a specific orientation. Covalent compounds generally have low melting and boiling points compared to ionic compounds, as the intermolecular forces in covalent compounds are weaker. Additionally, covalent compounds do not conduct electricity in the solid state because the electrons are localized between the atoms and not free to move and carry charge.

6. How does kinetic energy change when the velocity of an object is doubled?

Correct answer: b

Rationale: Kinetic energy is directly proportional to the square of the velocity of an object.

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