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3 years ago

Properties volume to solid

1 answer:

4 0

4 States of Matter Properties - Solid, Liquid, Gas, Plasma

4 States of Matter Solid Liquid Gas Plasma
Volume/ Mass/
Density Definite Volume
Definite Mass
Definite Density Definite Volume
Definite Mass
Definite Density Changes volume
Definite mass
Changes density Changes volume
Definite mass
Changes density
Shape
Definite shape

00000
00000
00000

Changes shape

..000...
0000000

0 .......0...... 0
.....0
..............0 0 0

Changes shape

0.... ..0... 0
0 ..................0 0

.......0......
.....0
..............0

Changes shape

0... ... 0
0 .............. 0

Relative position of atoms Fairly stationary
Locked in place
Tightly packed Not fixed, not locked
Free flowing
Loosely packed Relatively distant to other atoms Relatively distant to other atoms
Movement and collisions Vibrate in place Roll or slide over each other.
A few collisions Bounce and collide Fairly fast
Electrons stripped
Energy Low

Medium High Extremely high
Examples Rock Rock, paper, scissors Water, juice, tea Oxygen, hydrogen, water vapor Star, lightening, incandescent bulb
Compressibility force or pressure required High Little extreme pressure - stars - gravity, magnetic
Measured with Cubic meters... Liter, ml, qt. Gal. Cubic ...

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Which of the following are physical properties of nonmentals

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"Compounds A and B react to give a single product, C. Write the rate law for each of the following cases and determine the units

olasank [31]

Answer:

Part a: Units of k is $M^{-2}s^{-1}$ where reaction is first order in A and second order in B

Part b: Units of k is $M^{-1}s^{-1}$ where reaction is first order in A and second order overall.

Part c: Units of k is $M^{-1}s^{-1}$ where reaction is independent of the concentration of A and second order overall.

Part d: Units of k is $M^{-3}s^{-1}$ where reaction reaction is second order in both A and B.

Explanation:

As the reaction is given as

$A+B \rightarrow C$

where as the rate is given as

$r=k[A]^x[B]^y$

where x is the order wrt A and y is the order wrt B.

Part a:

x=1 and y=2 now the reaction rate equation is given as

$r=k[A]^1[B]^2$

Now the units are given as

$r=k[A]^1[B]^2\\M/s =k[M]^1[M]^2\\M/s =k[M]^{1+2}\\M/s =k[M]^{3}\\M^{1-3}/s =k\\M^{-2}s^{-1} =k$

The units of k is $M^{-2}s^{-1}$

Part b:

x=1 and o=2

x+y=o

1+y=2

y=2-1

y=1

Now the reaction rate equation is given as

$r=k[A]^1[B]^1$

Now the units are given as

$r=k[A]^1[B]^1\\M/s =k[M]^1[M]^1\\M/s =k[M]^{1+1}\\M/s =k[M]^{2}\\M^{1-2}/s =k\\M^{-1}s^{-1} =k$

The units of k is $M^{-1}s^{-1}$

Part c:

x=0 and o=2

x+y=o

0+y=2

y=2

Now the reaction rate equation is given as

$r=k[A]^0[B]^2$

Now the units are given as

$r=k[B]^2\\M/s =k[M]^2\\M/s =k[M]^{2}\\M^{1-2}/s =k\\M^{-1}s^{-1} =k$

The units of k is $M^{-1}s^{-1}$

Part d:

x=2 and y=2

Now the reaction rate equation is given as

$r=k[A]^2[B]^2$

Now the units are given as

$r=k[A]^2[B]^2\\M/s =k[M]^2[M]^2\\M/s =k[M]^{2+2}\\M/s =k[M]^{4}\\M^{1-4}/s =k\\M^{-3}s^{-1} =k$

The units of k is $M^{-3}s^{-1}$

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3 years ago

Elements whose properties are between those of metals and solid nonmetals are called:

Tom [10]

Answer:

mettaliods

Explanation:

It has the both property of metal and non metal so it is called mettaliod.

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3 years ago

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Write the Iconic Bond to Metals

Nutka1998 [239]

Answer: The ionic compound formed is magnesium chloride having formula $MgCl_2$

Explanation:

Ionic compound is defined as the compound which is formed by complete transfer of electrons from one atom to another atom.

The atom which looses the electron is known as electropositive atom and the atom which gains the electron is known as electronegative atom. This bond is usually formed between a metal and a non-metal.

Magnesium is the 12th element of the periodic table having electronic configuration of $1s^22s^22p^63s^2$

This element will loose 2 electrons to form $Mg^{2+}$ ion

Chlorine is the 17th element of the periodic table having electronic configuration of $1s^22s^22p^63s^23p^5$

This element will gain 1 electron to form $Cl^{-}$ ion

So, for every 1 atom of magnesium, 2 atoms of chlorine are required. Thus, the chemical formula becomes $MgCl_2$

Hence, the ionic compound formed is magnesium chloride having formula $MgCl_2$

6 0

3 years ago