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3 years ago

Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-

Chemistry

2 answers:

zalisa [80]3 years ago

5 0

Answer: 1. Mass and type of solution

2. Type of material

3. Temperature

Anestetic [448]3 years ago

3 0

Answer:

1 the physical properties is correct 2.the pH of the solution

Explanation:

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45 The mass of an unidentified metal sphere is 133 grams. Students determine the

Lisa [10]

Answer:

D Cobalt

Explanation:

The volume of the sphere is 40 -25 = 15 cm^3

Density = mass/volume = 133 gm / 15 cm^3 = 8.87 gm/cm^3

which corresponds to Cobalt from the chart

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1 year ago

Which statements describe the Rutherford atomic model? Check all that apply.

MaRussiya [10]

Answer:

1 and 4

Explanation:

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2 years ago

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2 years ago

Sulfur and oxygen form both sulfur dioxide and sulfur trioxide. When samples of these were decomposed the sulfur dioxide produce

Zinaida [17]

Answer : The mass of oxygen per gram of sulfur for sulfur dioxide and sulfur trioxide is, 0.997 g and 1.5 g respectively.

Explanation : Given,

Mass of oxygen in sulfur dioxide = 3.49 g

Mass of sulfur in sulfur dioxide = 3.50 g

Mass of oxygen in sulfur trioxide = 9.00 g

Mass of sulfur in sulfur trioxide = 6.00 g

Now we have to calculate the mass of oxygen per gram of sulfur for sulfur dioxide and sulfur trioxide.

Mass of oxygen per gram of sulfur for sulfur dioxide = $\frac{\text{Mass of oxygen}}{\text{Mass of sulfur}}$

Mass of oxygen per gram of sulfur for sulfur dioxide = $\frac{3.49}{3.50}=0.997g$

and,

Mass of oxygen per gram of sulfur for sulfur trioxide = $\frac{\text{Mass of oxygen}}{\text{Mass of sulfur}}$

Mass of oxygen per gram of sulfur for sulfur trioxide = $\frac{9.00}{6.00}=1.5g$

Thus, the mass of oxygen per gram of sulfur for sulfur dioxide and sulfur trioxide is, 0.997 g and 1.5 g respectively.

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3 years ago

Convert 6.6 ft to meters. Use the<br> conversion factor 1 m = 3.3 ft

matrenka [14]

Answer:

2.01168 or 2.01 meters

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2 years ago

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