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vitfil [10]
3 years ago
8

What gives framework to a cell and helps it move

Chemistry
2 answers:
andre [41]3 years ago
4 0
The answer is cytoskeleton
seraphim [82]3 years ago
4 0
I agree with that answer as well.
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Zoe is frying eggs in a pan. The eggs cook because of _____ of heat. Zoe feels hot as she stands near the stove mostly because o
erica [24]

Answer:

1) conduction

2) Radiation

Explanation:

Conduction is a mode of heat transfer by which heat energy is transferred through a material, the average position of the particles of the material remaining the same.

Radiation is a process of heat transfer by which heat is transferred from a hotter to a cooler point without any intervening medium.

The pan used to fry the egg is a conductor of heat hence heat can pass through it by conduction thereby enabling the eggs to cook.

Heat can travel without an intervening medium hence Zoe feels hot near the stove. This ability of the heat to travel without an intervening medium is called radiation.

6 0
3 years ago
Read 2 more answers
A gas with a volume of 8 L at a temperature of 473K is switched to a new container with a temperature of 350K. If the pressure r
Digiron [165]

Answer:

The new  volume is 5.92 L,  which is approximately 6 L

Explanation:

As the gas temperature increases, the molecules move faster and take less time to reach the walls of the container. This means that the number of crashes per unit of time will be greater. That is, there will be an increase (for an instant) in the pressure inside the container and the volume will increase.

So Charles's Law is one of the gas laws that relates the volume and temperature of a certain amount of gas at constant pressure and says that:

  • If the temperature increases the volume increases
  • If the temperature decreases the volume decreases

Mathematically this is expressed by:

\frac{V}{T}=k

When you want to study two different states, an initial and a final one of a gas, this law is expressed by:

\frac{V1}{T1} =\frac{V2}{T2}

In this case:

  • V1: 8 L
  • T1: 473 K
  • V2: ?
  • T2: 350 K

Replacing:

\frac{8 L}{473K} =\frac{V2}{350K}

Solving:

V2=350K*\frac{8L}{473K}

V2=5.92 L

<u><em>The new  volume is 5.92 L,  which is approximately 6 L</em></u>

5 0
3 years ago
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.4 grams of calcium metal? Show all of th
Margaret [11]
Answer: 19.8 l


Explanation:

1) Chemical equation:

2Ca + O₂ → 2CaO


2) Mole ratios: 2 mol Ca : 1 mol O₂ : 2 mol CaO

3) Convert 35.4 g of Ca to moles:

n = mass in grams / molar mass = 35.4 g / 40.1 g/mol = 0.883 mol

4) Volume proportion: 1 mol of gas at STP = 22.4 l


1 mol at STP              0.883 mol at STP

--------------------- = ------------------------------

22.4 l                                      x

⇒ x = 0.883 mol × 22.4 l / 1 mol = 19.8 l ← answer
5 0
3 years ago
The smell of hot food moves faster than the smell of cold food. Which property of gas is responsible for this? A. The kinetic en
Evgen [1.6K]

A. The kinetic energy of gas particles is higher in hot food than in cold food.

Explanation:

The smell of a hot food moves faster than the smell of a cold food because the kinetic energy of gas particles is higher in hot food than in cold food.

Let us establish that the smell of the food perceived are gases from the food.

  • Both hot food and cold food emits these gases that tinkers our olfactory nerves.
  • Hot food produces a hot gas.
  • The higher the temperature the more kinetic energy it possess.
  • This makes the gases more dispersed and it spreads faster.
  • The cold food produces gas at a lower kinetic energy.

learn more:

Molecular theory brainly.com/question/12362857

#learnwithBrainly

4 0
3 years ago
Read 2 more answers
Which property of cotton makes it suitable for use as clothing in summer?
Maru [420]

Answer:

Often blended with cotton to make a rugged yet lightweight material, jersey is an excellent choice for summer clothing as it won’t weigh the wearer down and is also extremely flexible. This means it can be worked into most designs in addition to offering excellent levels of comfort. Frankly, that’s everything you need for summer loungewear.

Explanation:

8 0
2 years ago
Read 2 more answers
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