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liubo4ka [24]
2 years ago
13

Is sugar a compound or a mixture?

Chemistry
2 answers:
pogonyaev2 years ago
5 0

Compound, since it is not mixed with anything.

i just took tests on chemicals and elements, and i remember this.

puteri [66]2 years ago
3 0

Answer:

compound

Explanation:

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The density of piece of wood will remain the same regardless of its temperature true or false
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I believe that the answer would be true
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4 years ago
Compared to visible light, an electromagnetic wave that has a longer wavelength will also have ________.
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Question∵

Compared to visible light, an electromagnetic wave that has a longer wavelength will also have?

Answer:

Hi, There! -Randp12- My Name Is jay I'm here to help! :)

<u><em>The correct answer is lower frequency.</em></u>

Explanation:

Information to  Support My Answer :D

it is visible that wavelength and frequency follow inverse relation. For increase in wavelength, the value of frequency decreases and vice-versa.

Therefore  for higher wavelength, the electromagnetic wave will also have lower frequency.

Hope this helps!

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6 0
3 years ago
Define and describe each of the following forms of energy and then classify each as either: potential energy, kinetic energy, or
TiliK225 [7]

Potential energy:   It is an energy stored in an object due to its position.

Chemical energy: It is an energy stored in a bonds of a chemical compound and this energy is released during the reaction in the form of heat.

Elastic energy: It is a stored potential energy in an elastic object when subjected to any deformation or change in shape.

Gravitational energy : It is an energy possessed by an object due its position in a gravitational field.

Electric energy: Energy due to flow of charged particles. It is a type of a stored potential energy due to relative position of charged particle .

Nuclear energy  : it is an energy stored in a nucleus of an atom. This energy kept the particles present inside the nucleus binded together.

Static electricity: It is  an electricity which arises due to presence of imbalance in charge within or on the surface of the material.

Transfer of some quantity of energy:

Heat energy: Transfer or flow of energy from one object to another in form of heat. This transfer is due to difference in temperature of two objects.

Electromagnetic energy:  It is an form of energy emitted by the magnetic field and electric field vibrating perpendicular to each other while propagation of the electromagnetic wave. Energy transfer takes place in from of electromagnetic wave.

Sound energy  ; it is the energy produced by the vibration of sound waves. the energy transferred from one substance to another in form of sound wave.

Kinetic energy: Its an energy possessed by an object due its motion.

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3 0
3 years ago
Read 2 more answers
Considering the limiting reactant, what is the mass of zinc sulfide produced from 0.250 g of zinc and 0.750 g of sulfur? Zn(s)+S
DIA [1.3K]

Answer:

The mass of zinc sulfide produced is  M_{ZnS} =  0.76 \ g

Explanation:

From the question we are told that

   The mass of zinc is  m_z =  0.750 \ g

    The mass of sulfur is  m_s =  0.250 \ g

The molar mass   of  Zn_{(s)}  is a constant with value  65.39 g /mol

The molar mass of S_{(s)}  is a constant with value  32.01 g/mol

The molar mass of  ZnS_{(s)} is a constant with value 97.46  g/mol

The reaction is  

        Zn_{(s)} + S_{(s)}  ------> ZnS_{(s)}

   So from the reaction

       1 mole of  Zn_{(s)} react with 1 mole of  S_{(s)} to produce 1 mole of ZnS_{(s)}

This implies that

65.39 g /mol of  Zn_{(s)} react with 32.01 g/mol of  S_{(s)} to produce   97.46  g/mol  of ZnS_{(s)}

From the values given we can deduce that the limiting reactant is sulfur cause  of the smaller mass

 So  

    0.250 g of  Zn_{(s)} react with 0.250 of  S_{(s)} to produce x \  g of  ZnS_{(s)}

So

      x =  \frac{97.46 * 0.250}{32.01}

       x =  0.76 \ g

Thus the mass of the mass of zinc sulfide produced is

    M_{ZnS} =  0.76 \ g

 

     

7 0
4 years ago
Any help with these questions would help i'm lost
SSSSS [86.1K]

Answer:

1.  31.25 mL

2.  1.98 g/L

3.  0.45 g/mL

Explanation:

For each of the problems, you need to perform unit conversions.  You need to use the information given to you to convert to a specific unit.

1.  You need volume (mL).  You have density (g/mL) and mass (g).  Divide mass by density.  You will cancel out mL and be left with g.

(50.0 g)/(1.60 g/mL) = 31.25 mL

2.  You are given grams and liters.  You need to find density with units g/L.  This means that you have to divide grams by liters.

(0.891 g)/(0.450 L) = 1.98 g/L

3.  You have to find density again but this time with units g/mL.  Divide the given mass by the volume.

(10.0 g)/(22.0 mL) = 0.45 g/mL

5 0
3 years ago
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