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Lelu [443]
2 years ago
7

You add heat to matter, the atoms that make up the matter will begin to move ????

Chemistry
2 answers:
stiv31 [10]2 years ago
7 0
The atoms will begin to move faster and shoot off each other more rapidly
levacccp [35]2 years ago
6 0
If you add heat to matter the atoms that make up the matter will begin to move faster
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A gas is being cooled down. Which option describes what will happen?
Yakvenalex [24]
D) The gas particles will move slower. Eventually they will start clumping together and become a liquid

I think its D but I could be wrong
8 0
2 years ago
Read 2 more answers
Pb(NO3)2+K2CrO4 --&gt; PbCrO4+KNO3 <br> How do you balance this?
belka [17]

Answer:

Pb(NO₃)₂ + K₂CrO₄ ⟶ PbCrO₄ + 2KNO₃

Step-by-step explanation:

The unbalanced equation is

Pb(NO₃)₂ + K₂CrO₄ ⟶ PbCrO₄ + KNO₃

Notice that the complex groups like NO₃ and CrO₄ stay the same on each side of the equation.

One way to simplify the balancing is to replace them with a single letter.

(a) For example, let <em>X = NO₃</em> and <em>Y =CrO₄</em>. Then, the equation becomes

PbX₂ + K₂Y ⟶ PbY + KX

(b) You need 2X on the right, so put a 2 in front of KX.

PbX₂ + K₂Y ⟶ PbY + 2KX

(c) Everything is balanced. Now, replace X and Y with their original meanings.  The balanced equation is

Pb(NO₃)₂ + K₂CrO₄ ⟶ PbCrO₄ + 2KNO₃

5 0
3 years ago
The digit that would have to be estimated in reading this instrument would be the nearest:
wariber [46]

Answer:

The least count of vernier calipers is 0.01 g.

(B) is correct option.

Explanation:

Given that,

The digit that would have to be estimated in reading this instrument,

According to figure,

We need to calculate the pitch

Using formula of pitch

pitch=\dfrac{distance\ moved}{Number\ of\ complete\ rotation}

Put the value into the formula

pitch=\dfrac{1}{10}

pitch=0.1\ g

We need to calculate the least count of vernier calipers

Using formula of least count

Least\ count=\dfrac{pitch}{number\ of\ vernier\ scale\ division}

Put the value into the formula

Least\ count=\dfrac{0.1}{10}

Least count = 0.01\ g

Hence, The least count of vernier calipers is 0.01 g.

(B) is correct option.

4 0
3 years ago
Read 2 more answers
Water is unusual because it expands as it freezes, Very few substances have this property. The reason liquid water is more dense
Ymorist [56]

Answer:

When liquid water is cooled, it contracts until a temperature of approximately 4 degrees Celsius is reached. After that, it expands slightly until it reaches the freezing point, and then when it freezes it expands by approximately 9%. When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density.

4 0
3 years ago
Read 2 more answers
Arrange the elements in increasing order of reactivity : iron, gold, zinc, copper​
liq [111]

Answer:

Iron, Copper, Zinc, and Gold

Explanation:

in Table of elements

Iron was no. 26

Copper no. 29

Zinc no. 30

Gold no. 79

8 0
2 years ago
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