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Questions (27)

After arriving at the Column of Trajan, your classmate Ariana was so excited to readthe narrative for herself. However, she came
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2. 274 views
Your classmate Jaden is giving a presentation about Trajan’s Column. He discusses the things he learned about the creation of
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2. 254 views
Your classmate Jaden is giving a presentation about Trajan’s Column. He discusses the things he learned about the creation of
1. 1 answer
2. 309 views
Your classmate Katie is giving a presentation about Trajan’s Column. She mentions many bits of information she found on the
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2. 210 views
Your classmate Katie is giving a presentation about Trajan’s Column. She mentions many bits of information she found on the
1. 1 answer
2. 274 views
Your classmate Ravi is giving a presentation about historical reliefs. He mentions many bits of information he found on the
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2. 197 views
compare the art of the ancient Greeks to the art of the ancient Romans. These art forms have many things in common. What is one
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2. 287 views
The boiling point of a liquid is tested at 10 different pressures, from 0.5 to 1.4 atmospheres. The results of the tests show
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2. 185 views
Electrical Bonding Refining Quick Check1 of 51 of 5 Items Question A team of scientists is working to find the boiling point of
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2. 408 views
Which statement best describes the usefulness of a model to investigate molecules at the microscopic level?(1 point)Responses A
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2. 189 views
Which action happens at the macroscopic scale as a substance boils?(1 point)Responses A gas becomes a solid. A gas becomes a
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2. 288 views
Which action would you use to determine the melting point of a substance?(1 point)Responses increasing its temperature until it
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2. 188 views
Which information does the boiling point give about a substance?(1 point)Responses the phase of the substance the phase of the
1. 1 answer
2. 227 views
Why do liquids flow?(1 point)Responses Liquids take the shape of the bottom of their container. Liquids take the shape of the
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2. 206 views
Thermal energy is associated with _____.(1 point)Responses particle motion particle motion bond strength bond strength electric
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2. 167 views
Which statement describes the effect of adding more energy to a system, assuming a phase change does not occur?(1 point)Response
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2. 216 views
The internal energy within a system associated with the motion of particles and that can be added to a substance is called
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2. 289 views
Which statement about the temperatures of phase changes and electrostatic forces holding the molecules is correct?(1 point)Respo
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2. 256 views
For which properties can a student design an investigation of the electrostatic forces between molecules in a substance?(1
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2. 297 views
How does a phase change from solid to liquid occur in a substance?(1 point)Responses Heat energy is added to the substance,
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2. 153 views
Which list includes only bulk properties of matter?(1 point)boiling point, kinetic energy, surface tension boiling point,
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2. 147 views
Consider a galvanic cell with a beaker of Chromium(III) nitrate Cr(NO3)3 and a beaker of Copper(II) nitrate Cu(NO3)2. The
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2. 628 views
H2(g) + I2(g) → 2HI(g)A student makes the following statements: Hydrogen always has the same oxidation number, so it has an
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2. 549 views
Ba(ClO3)2 → ____ + 3O2In one or two sentences, identify the type of reaction that is occurring and identify the other product.
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2. 198 views
2Cr(s) + 3Cu2+(aq) → 2Cr3+(aq) + 3Cu(s)Which half reaction occurs at the cathode? (1 point) A. 2Cr(s) → 2Cr3+(aq) + 3e– B.
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2. 206 views
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 4.00 m to
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2. 1,066 views
Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is
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2. 546 views

Answers (2)

Nope its b
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 4.00 m to the north, d2 = 1.90 m northeast, and d3 = 1.00 m at θ = 30.0° west of south (figure below). Starting at the same initial

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