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Zarrin [17]
3 years ago
7

What do you think accounts for the diffidence between the starting friction and the sliding friction

Chemistry
1 answer:
natulia [17]3 years ago
3 0

Once inertia is overcome and the object is in constant motion then sliding friction will mostly depend on the surface, environmental factors (wind, ice, etc...).  

example:  

To push a piano from 0 to 1m/minute you would need to over come a huge force pulling down the piano(gravity) but if it were already moving...to push it , it would require less force, if the environment (and the surface) was smooth and not uphill.

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Explain how the principal of uniformitarianism is used to interpret earths past
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3 0
3 years ago
The boiling points for a set of compounds in a homologous series can be qualitatively predicted using intermolecular force stren
shepuryov [24]

Answer:

The answer to your question is below

Explanation:

Alkane                      Formula                    Boiling point (°C)

Methane                   CH₄                                     -162

Ethane                      CH₃CH₃                               - 89

Propane                    CH₃CH₂CH₃                        - 42

Butane                      CH₃(CH₂)₂CH₃                     - 0.5

Pentane                    CH₃(CH₂)₃CH₃                      36

Hexane                     CH₃(CH₂)₄CH₃                      69

Heptane                    CH₃(CH₂)₅CH₃                      98

Octane                      CH₃(CH₂)₆CH₃                     126

Nonane                     CH₃(CH₂)₇CH₃                      151

Decane                      CH₃(CH₂)₈CH₃                     174

6 0
4 years ago
PLEASE HELP ME!!
blagie [28]

1, When temperature is increased the volume will also increase. this is because the particles will gain kinetic energy and bombard the walls of the container of the gas at a higher frequency, therefore, for the pressure to remain constant as per Charles' law, the volume will have to increase so that the rate of bombardment remains constant. This is explained by the Charles law which states that the volume of a gas is directly proportional to the absolute temperature provided pressure remains constant.

2. When temperature is Decreased the volume will also Decrease. this is because the particles will loose kinetic energy and bombard the walls of the container of the gas less frequently, therefore, for the pressure to remain constant as per Charles' law, the volume will have to reduce so that the rate of bombardment remains constant. This is explained by the Charles law which states that the volume of a gas is directly proportional to the absolute temperature provided pressure remains constant.

3. When temperature is increased the pressure will increase. This is because the gas particles gain kinetic energy and bombard the walls of the container more frequently. this is according to Pressure law which states that for a constant volume of a gas the pressure is directly proportional to absolute temperature

4. When temperature is decreased, pressure will decrease, This is because the gas particles lose kinetic energy and bombard the walls of the container less frequently. this is according to Pressure law which states that for a constant volume of a gas the pressure is directly proportional to absolute temperature

5. When particles are added, pressure will increase. This is because the bombardment per unit area also increases. Boyles law explains this, that at fixed temperature the volume of a gas is inversely proportional to the pressure.

6. When particles are removed, the pressure will decrease. This is because the bombardment per unit area also decreases. Boyle's law explains this, that at fixed temperature the volume of a gas is inversely proportional to the pressure.

7 0
3 years ago
Which arrow represents the change of state described
Mama L [17]

Answer:N

Explanation:

6 0
3 years ago
a mixture of emanations from radioactive atoms is passed through electrically charged plates imagination number one is attracted
slava [35]
Hello there!

The nuclear emanations 1, 2 and 3 are called, respectively:

1) Alpha, beta and gamma

Alpha Radiation consists of two protons and two neutrons, as protons are positive particles, they will be attracted to the negatively charged plate.

Beta Radiation 
is composed of a high-energy electron. As electrons are negative particles, they will be attracted to the positively charged plate.  

Gamma Radiation is composed or photons. Photons don't have charge or mass, and they will not be attracted to the charged plates. This kind of radiation is more penetrating than the other two.

Have a nice day!
3 0
3 years ago
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