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alexira [117]
3 years ago
15

In which example is matter changing

Chemistry
1 answer:
just olya [345]3 years ago
6 0
A) heating a pan of water until the water is all gone because then it would change from a liquid top a gas.
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With what compound will nh3 experience only dispersion intermolecular forces? with what compound will nh3 experience only disper
Burka [1]
Answer is: ammonia experience only dispersion intermolecular forces with BF₃ (boron trifluoride) because BF₃ is only nonpolar molecule (vectors of dipole moments cansel each other, dipole moment is zero).
The London dispersion force (intermolecular force) <span>is a temporary attractive </span>force between molecules.
6 0
3 years ago
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Please help me with chemistry!
Helga [31]

Br₂ (l) + 2 NaI (s) → 2 NaBr (s) + I₂ (s)

Explanation:

Reacting bromide (Br₂) with sodium iodine (NaI) will produce sodium bromide (NaBr) and iodine (I₂).

To balance the equation the number of atoms of each element entering the  reaction have to be equal to the number of atoms of each element leaving the reaction, in order to conserve the mass.

Br₂ (l) + 2 NaI (s) → 2 NaBr (s) + I₂ (s)

where:

l - liquid

s - solid

This is a single replacement reaction because an element in a compound is replaced by another element. Generally a single replacement reaction is represented as: A + BC → AC + B

Learn more about:

types of chemical reactions

brainly.com/question/10105284

balancing chemical equations

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5 0
3 years ago
Scientific Notation - PLEASE HELP!
zmey [24]

Answer:

0.0931 is the ans i think

8 0
3 years ago
The amplitude of a wave tells you how fast the wave is moving. True False
pshichka [43]
The answer is False. the amplitude shows how high or low something is
6 0
3 years ago
Charles’ Law can be expressed mathematically as V=kT. If the constant k for 6.0 L of gas is 0.020 L/K (liters per kelvin), what
kozerog [31]

Answer: 300 K

Explanation:

Charles' Law: This law states that volume is directly proportional to the temperature of the gas at constant pressure and number of moles.

V\propto T    (At constant pressure and number of moles)

V=kT

Given : V= 6.0 L

k= 0.020 L/K

T=?

6.0=0.020LK^{-1}\times T

T=300 K

Thus temperature of the gas is 300 K.

3 0
3 years ago
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