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igomit [66]
4 years ago
15

Can someone please explain me the difference between physical changes and physical properties and of chemical changes and chemic

als properties please? Have a test tomorrow really need please!
Chemistry
1 answer:
morpeh [17]4 years ago
7 0

Answer:

Explanation:

Physical properties and physical change:

Physical properties are the properties of substance that do not involve the change in to another matter while the process through which change is happen is called physical change.

For example,

Melting point is physical property and the process "melting" is called physical change.

Freezing point is physical property and the process "freezing" is called physical change.

Chemical property and chemical change:

Chemical property is the ability of substance to change into another substance while the process through through which it is happen is called chemical change or chemical reaction.

For example:

The chemical property of iron is to react with oxygen and form rust. This process or chemical change is called corrosion. So corrosion is chemical change.

Hydrocarbon react with oxygen and form water and carbon dioxide. It is the chemical property. While the process is called combustion so combustion is a chemical change.

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In mitosis, how does a daughter cell compare with its parent cell?
lyudmila [28]

Answer: im pretty sure its the last (one daughter cell has no similarity to its parent cell.)

Explanation: bc a daughter cell has 30 and the parent cell would have 46 and thats not twice or half as many and they arent the same either so the last one makes sences  

6 0
3 years ago
Durante 50 s un cuerpo viaja a una velocidad de 18.5 m/s, ¿Qué distancia recorrió?
weeeeeb [17]

Answer:

Distancia = 925 metros.

Explanation:

Dados los siguientes datos;

Tiempo = 50 segundos

Velocidad = 18.5 m/s

Para encontrar la distancia recorrida;

Matemáticamente, la distancia viene dada por la fórmula;

Distancia = velocidad * tiempo

Sustituyendo en la fórmula, tenemos;

Distancia = 18.5 * 50

Distancia = 925 m.

Por tanto, el cuerpo recorrió una distancia de 925 metros.

7 0
3 years ago
Which atomic property is different in each isotope of an element?
Lady_Fox [76]
The number of neutrons is different in each isotope of an element.
7 0
3 years ago
A block of wood has a mass of 180 grams it is 10.0cm long, 6.0cm wide and 4.0cm thick what is it’s volume and density
PilotLPTM [1.2K]

Answer:

<h2>Density = 0.75 g/cm³</h2>

Explanation:

Density of a substance is given by

<h3>Density(\rho) =  \frac{mass}{volume}</h3>

From the question

mass of the wood = 180 g

Since the wood is a cuboid we can find the volume using the formula

Volume = length × width × height

From the question

length = 10cm

width = 6 cm

height = 4 cm

Volume = 10 × 6 × 4 = 240 cm³

Substitute the values into the above formula and solve for the Density

That's

<h3>Density(\rho) =  \frac{180}{240}  \\  =  \frac{3}{4}</h3>

We have the final answer as

<h3>Density = 0.75 g/cm³</h3>

Hope this helps you

8 0
4 years ago
Water covers over 70% of planet Earth and most of the water is salt water. Which
Serga [27]

Answer:

D. 4

Explanation:

6 0
3 years ago
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