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Aleks04 [339]
3 years ago
7

Mixtures can be separated by physical changes. Please select the best answer from the choices provided T F

Chemistry
1 answer:
AfilCa [17]3 years ago
8 0

Answer: Given statement is true.

Explanation:

When two or more substances mixed together then it results in the formation of mixture.  

For example, a mixture of sand and water.

Mixtures are not chemically combined species because they can be separated by physical methods like filtration, distillation etc.

Hence, we can conclude that the given statement, mixtures can be separated by physical changes is true.

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A block of ice has little thermal energy. If you place it in a warm room, it melts into warm liquid water, which has much more e
Naily [24]

<u>Answer:</u>

<em>The energy to turn the ice into water:</em>

  • The energy that is required to change the state of ice into a liquid is obtained in the form of heat energy from the ambient temperature of the warm room.
  • Once this heat energy is absorbed, the individual molecules of ice gain kinetic energy and start vibrating faster.
  • Yet, the temperature of the ice remains constant until the ice reaches its melting point because this energy is first utilised to break all the bonds of the lattice structure of the ice.
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3 years ago
Drinking energy drinks make people more hyper. What is the independent variable and the dependent variable?
Andreyy89

Answer:

Hi, There!

<em>Drinking energy drinks make people more hyper. What is the independent variable and the dependent variable?</em>

<em>The independent Vairable is the people drinking the energy drinks.</em>

<em>The Dependent variable is is the result which makes people more hyper</em>

Hope this Helps!

5 0
3 years ago
Read 2 more answers
What is the equilibrium condition in which a gas holds all the water vapor molecules that it can?
faust18 [17]

The equilibrium state of a gas when it can hold all the molecules of water vapor is known as saturation.

<h3>Which three equilibrium conditions apply?</h3>

A solid substance subjected to three forces with divergent lines of action is in equilibrium if all three of the following three circumstances hold true:

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  • The paths of action have come together (they cross at the same point)
  • These forces add up to a vector with a total of zero.
<h3>What are equilibrium's first and second conditions?</h3>

An object must satisfy two requirements of equilibrium in order to maintain static equilibrium.

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learn more aboute quilibrium condition here

<u>brainly.com/question/517289</u>

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7 0
2 years ago
If you have 200 grams of SO4, how many molecules of SO4 will you have?
den301095 [7]

Answer:

2.08 moles

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number of molecules = 200 g / 96.06 g/mol

number of molecules ≈ 2.08

6 0
3 years ago
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