The amount of matter in an object is called

Chemistry

1 answer:

marta [7]3 years ago

7 0

Answer: Matter

Explanation:

Matter is anything that has volume and/or mass.

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according to the kinetic molecular theory the pressure exerted by a sample of gas at constats volume doubles when the absolute t

ozzi

Answer: gas molecules will hit the container walls more frequently and with greater force

Explanation:

According to the postulates of kinetic molecular theory:

1. The pressure exerted by a gas in a container results from collisions between the gas molecules and the container walls.

2. The average kinetic energy of the gas molecules is proportional to the kelvin temperature of the gas.

When the temperature is increased, so the average kinetic energy and the rms speed also increase. This means that the gas molecules will hit the container walls more frequently and with greater force because they are all moving faster. This increase the pressure.

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3 years ago

Identify 3 physical changes that could occur with a sheet of paper

VladimirAG [237]

Answer:

1. Dimensions: The sheet can be cut into several smaller pieces.

2. Shape: the sheet can be formed into a paper ball or any other shape (using origami for example).

3. Color: You can use crayons to paint the sheet and change its color.

Explanation:

Physical changes do not change the chemical properties. They do not transform the compounds that form the substances. They do not break and or form chemical bonds.

When you change the form, the state (solid, liquid or gas), the color, you are just changing physical properties.

Only chemical changes change the compounds that form the substance. For instance, if you burn the sheet of paper, then you are causing a chemical change because the organic matter in the paper will react with oxygen forming CO₂ and water, but by cutting, folding, smashing, or coloring with crayons, the compounds in the sheet of paper do not change.

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3 years ago

What allows electrical charges to move freely

Zolol [24]

Explanation:

Certain materials, called conductors, allow electric charge to move pretty freely through them. ... Other materials, like plastic and rubber, are called insulators because they don't allow electric charges to move through them.

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3 years ago

Jim went for a 3.75 hour run. How many minutes did he run?

tensa zangetsu [6.8K]

An hour is 60 minutes. So you multiple the hot by 60. You get 180 minutes plus the 75 remaining minutes. The answer is 255

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I need help name the parts of making up the female part of the flower and state what each part does. ( answer in your own unique

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The female part is the pistil. The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tube like structure called the style.

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2 years ago