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Evgen [1.6K]
3 years ago
8

Speed and velocity please help(science)

Chemistry
1 answer:
musickatia [10]3 years ago
4 0
4452 Meters because 1484 times 3
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What is the overall trend for ionization energy on the periodic chart?
gizmo_the_mogwai [7]

Answer:

The general trend is for ionization energy to increase moving from left to right across an element period. Moving left to right across a period, atomic radius decreases, so electrons are more attracted to the (closer) nucleus.

Explanation:

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PLEASE HELP ME ASAPP!!
aliina [53]

Conduction-

putting an icepack on injury

grabbing a warm coffee mug

burning yourself by touching boiling water

the handle of a pot being to hot to touch

Convection-

heat from a fire to warm hands

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warm air rising off pavement

an oven that cooks by cycling warm air through the bottom and out the top

Radiation-

cooking popcorn using microwave

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( i havent done science in a while cuz im homeschooled but i think most of these are correct)

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7 0
3 years ago
Use the idea of diffuseition to explain how the smell of perfume travel​
pogonyaev
When perfume is sprayed in a room the particles of perfume diffuse with the particles in the air.
6 0
2 years ago
4. The volume of a sample of a gas at STP is 200.0 ml. If the pressure is increased to 4.00 atmospheres (temperature constant),
Elina [12.6K]

Answer : The value of new volume is, 50.0 mL

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}

or,

P_1V_1=P_2V_2

where,

P_1 = initial pressure at STP = 1 atm

P_2 = final pressure =  4.00  atm

V_1 = initial volume at STP = 200.0 mL

V_2 = final volume = ?

Now put all the given values in the above equation, we get:

1atm\times 200.0mL=4.00atm\times V_2

V_2=50.0mL

Therefore, the value of new volume is, 50.0 mL

6 0
3 years ago
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