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lara31 [8.8K]
3 years ago
5

Wind direction is determined with a __________________.

Chemistry
2 answers:
Serjik [45]3 years ago
7 0

Answer:

wind vane determines the wind direction... where it is coming from

fomenos3 years ago
6 0

Answer:

Wind direction is determined with a wind vane.

Hope it will help :)

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a certain skin lotion is a fine mixture of water and various oils. this lotion is cloudy and cannot be separated into oil and wa
PolarNik [594]

Answer: The skin lotion is a colloidal mixture of water and various oils.

Explanation:

Mixture: Blend of of two or more components which are chemically unreactive to give any product.

Mixture are defined as  of three types:

Solutions : Mixture in which one component is completely distributed in an other component resulting in clear mixture. They cannot be separated into its components on standing or by filtration.

Suspensions: Mixture in which one component is not completely or uniformly distributed in another component.They separate out into layers when kept undisturbed.

Colloids: Mixture in which one component is uniformly distributed in another component but the mixture formed is not clear. The color of mixture appears turbid or cloudy. They cannot get separated by filtration. They also cannot get separated into its components when left standing.

A skin lotion is a fine mixture of water and oils. it is a cloudy mixture and cannot be separated with help of filtration. Also its components also not separates out on standing. All these properties shown by skin lotion is of colloidal mixture.


3 0
3 years ago
Calculate the average time the car took to reach each checkpoint. Record the average time in Table D of your Student Guide. The
alisha [4.7K]

Answer:2.07

3.16

4.11

4.92

Explanation:

5 0
3 years ago
Read 2 more answers
Module 2 dba for chemistry questions? flvs
NeX [460]
Can you translate to english?

4 0
3 years ago
What is the name of the functional group that is attached to this hydrocarbon?
igor_vitrenko [27]

Answer:

ketone

Explanation:

8 0
3 years ago
The table shows the thermodynamic data for a reaction. Thermodynamic Data Energy of the Reactants Energy of the Products Activat
NNADVOKAT [17]

Answer:

The change in enthalpy is +210 kJ, so it is an endothermic reaction.

Explanation:

  • The change in enthalpy shows that the reaction is exothermic or endothermic.

The change in enthalpy = The energy of products - the energy of reactants.

  • If ΔH is positive value, the reaction is endothermic, the energy of the products is higher than that of the reactants.
  • If ΔH is negative value, the reaction is exothermic, the energy of the products is lower than that of the reactants.

<em>For this reaction: </em>The change in enthalpy = The energy of products - the energy of reactants = 370 kJ - 160 kJ = + 210 kJ.

<em>So, the right choice is: The change in enthalpy is +210 kJ, so it is an endothermic reaction.</em>

7 0
3 years ago
Read 2 more answers
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