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faust18 [17]
3 years ago
12

Describe the environmental impacts that are involved during the design, research and development, and marketing phases of cell p

hones.
Chemistry
1 answer:
Debora [2.8K]3 years ago
4 0

Answer:

joe mama

Explanation:

400 + 20 + 420

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<span>Velocity describes the speed of an object and its direction of motion</span>
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3 years ago
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Which of the following can be a
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6 0
2 years ago
Select the correct answer. What is heat of vaporization? A. It is the heat required to change a substance’s temperature by 1°C.
Luba_88 [7]

D. It is the heat required to change a gram of substance from a liquid to a gas.

Explanation:

The heat of vaporization is the heat required to change a gram of substance from a liquid to a gas.

  • It is also known as the enthalpy of vaporization.
  • The heat of vaporization is the quantity of heat needed to change one gram of a substance from liquid to gas.
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7 0
3 years ago
Which of the following has the LOWEST electronegativity?<br> A) As<br> B) N<br> C) BI<br> D) P
ohaa [14]
N just use a electronegativity table
4 0
3 years ago
If you place a 4.00 g effervescent antacid pill into 85 mL (85 g ) of water in a 90 g glass, how much will the glass of water we
nikdorinn [45]

Answer:

The glass of water weigh once the antacid pill has dissolved will be less than the 179 grams due to evolution of carbon dioxide.

Explanation:

Mass of effervescent antacid pill = 4.00 g

Mass of water = 85 g

Mass of glass = 90 g

Total mass of the substances  together : 4.00 g + 85 g + 90 g = 179 g

Effervescent antacid pill , moment it get dissolved in water carbon dioxide gas is evolves and escape from the solutions.

This means that mass of the weight of the glass of water with antacid dissolved in it will be less than 179 grams.

5 0
3 years ago
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