4. What is the mass of N2H4 gas in a 350.0 mL container at 50.0 °C, if the pressure of the gas is
885.0 torr?

Answers

Answer 1

Answer:

0.36g

Explanation:

Given parameters and conversion to standard unit

 To solve this problem we must assume ideality

Volume of N₂H₄  =  350mL  = 0.35dm³

Temperature of container  = 50°C  = 50 + 273  = 323K

Pressure  = 885torr;

               760torr  = 1atm

               885torr  = [tex]\frac{760}{885}[/tex]   = 0.86atm

Unknown:

Mass of the compound  = ?

Solution:

The mass of the compound can be derived using the expression below;

         Mass = number of moles x molar mass

molar mass of N₂H₄ = 2(14) + 4(1)  = 32g/mol

To find the number of moles;

       PV  = nRT

          n  = [tex]\frac{PV}{RT}[/tex]

P is the pressure

V is the volume

R is the gas constant = 0.082atmdm³mol⁻¹K⁻¹

T is the temperature

         n  = [tex]\frac{0.86 x 0.35}{0.082 x 323}[/tex]   = 0.01mole

So,

    Mass  = 0.01 x 32  = 0.36g


Related Questions

what is the point of having celcius and farenheit... why not just celcius?​

Answers

Answer:

See explanation

Explanation:

Celcius was created before fahrenheit was. America created the imperial system and decided to be different.

Can someone help me with this due today !!!1

Answers

what is it that you need help with?


Which best describes the nature of cellular respiration?
It is an energy-seeking process.
It is an energy-gathering process.
It is an energy-releasing process.
It is an energy-destroying process.

Answers

Answer: C.) It is an energy-releasing process.

Explanation:

The Chemical energy made in photosynthesis, is released in the form of Carbon Dioxide. The Chemical energy that is stored in the food, we eat, is released through the process of Cellular Respiration. The energy that has released, is then reproduced in the form of ATP, so the cells can use the energy from ATP.

I also got this 100% right on my Edge2020.

I hope I helped and have a great day! ^-^

Answer:

Explanation:

C

What conclusion can you draw from the presence of the adult blowfly eggs on
the corners of Anna's mouth and nostrils?

Answers

Answer:

Anna has been dead for more than a few hours.

Explanation:

There must have been enough time for the flies to find the body and lay the eggs.

This kind of consumer can eat a number of different things (its diet is flexible).

Answers

Answer:

Omnivore

Explanation:

An omnivore can eat plants, animals, and all sorts of things.

Hope this is the correct answer to your question.

What is a centromere

Answers

The region of a chromosome to which the microtubules of the spindle attack, via the kinetochore during cell division

FUN FACTS OF THE DAY (day:2 part:3)

When rabbits jump in the air and spin to show happiness its called a "binky"

red panda next!

Answers

Answer:

yess tysm!!

Explanation:

this is really awesome haha im l e a r n i n g

Answer:

Thank you so much you just made my day.

Explanation:

Keep up the good work.

Enjoy your day as well :)

Which exocrine gland is indicated by the arrow? pancreas salivary glands liver lacrimal glands

Answers

Answer:

The exocrine gland that is indicated by the arrow is the Liver.

Have a good day :)

Answer:

Liver

Explanation:

what is the main function of carbohydrates​

Answers

Answer:

Many cells prefer glucose as a source of energy versus other compounds like fatty acids.

Explanation:

True or false? silicate makes up over 90 percent of earths crust?

Answers

Answer:

F

Explanation:

Answer:True!

Explanation: Silicates are in almost all minerals on earth.

Help me please I want the correct answer if you know it ​

Answers

Answer:

A. Amino Acids

Explanation:

If you had paid attention during class, you would know.

What has changed in this room since you walked in?

Answers

Answer:

One more person is in the room

Explanation:

a person increased in the room


What is the following difference?
11./45-4.5
7.40
14./10
29.5
O 95.5

Answers

Answer:

29.5

Explanation:

because

Answer:

29.5

Explanation:

11./45 - 4.5 = 29.5

You look at a cell under a microscope, and you notice the cell does not contain a nucleus. What kind of cell are you looking at?
Heterotrophic
Prokaryotic
Autotrophic
Eukaryotic

Answers

Answer:

I believe it is Prokaryotes. :)

What do cells need to complete aerobic cellular respiration

Answers

Answer:

Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Overall, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.

Explanation:

Cells require Oxygen and glucose to complete aerobic cellular respiration

During Aerobic Cellular respiration, glucose and water reacts with each other to release energy in the form of ATP that is used/stored up in the cells of the organisms. below is the cellular respiration reaction

cellular respiration :

[tex]C_{6} H_{12} O_{6} + 6O_{2} ---->6CO_{2} (gas) + 6H_{2} O + energy[/tex]

Hence we can conclude that Cells need Oxygen and glucose to complete aerobic cellular respiration

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Where does the process of transcription occur?
A. cytoplasm
B. ribosomes
C. cell nucleus
D. outside the cell​

Answers

Answer:

D

Explanation:

Answer:

C

Explanation:

In eukaryotes, transcription and translation take place in different cellular compartments: transcription takes place in the membrane-bounded nucleus, whereas translation takes place outside the nucleus in the cytoplasm.

will mark correct answer as brainliest!

plant cell
label the boxes with words from the word bank

Answers

Answer:

Explanation:

cell wall – provides rigid structure and protection; made of cellulose (dark green)

cell membrane – surrounds the internal cell parts; controls passage of materials in and out of the cell cytoplasm – everything inside of the cell membrane except for the nucleus (light green)

nucleus – control center of the cell; contains DNA (light pink)

nucleolus – composed of protein and RNA; involved in ribosome production (dark pink)

cytoskeleton – provides strength and shape to the cell; network of protein fibers (orange)

endoplasmic reticulum (ER) – passageways that transport proteins within the cell (purple) mitochondria – produces energy (rust or red)

chloroplast – uses the energy of sunlight to produce glucose during photosynthesis (medium green) vacuole – vesicle that provides storage of water and other materials; full vacuoles provide support (blue) lysosome – vesicle that contains substances that break down materials (navy)

Golgi body – packages and transports proteins from the ER to other parts of the cell (gold)

ribosomes (the dots) – where proteins are made in the cell

Certain cells, such as those along the digestive tract, need to absorb a lot of materials. What unique features do you notice about the shape of these cells? How might this improve their ability to absorb materials?

Answers

In the small intestine, these cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.

Cells are the functional and structural units of life. The cells make up the tissues, organs, and organ systems. The cells based on the shapes and properties differ in their functions.

In the given image, the special features of the cells of the digestive tract are microvilli.

Villi are the finger-like projections present on the intestinal wall. These will function in increasing the surface area to enhance the digestion process.

On the surface of the villi, numerous micro-hair-like projections are presently known as microvilli. The microvilli are the help in increasing the surface area of the villi.

These finger-like projections create a wave or brushing-like movement for the increased absorption and surface area.

Therefore, the given image is of microvilli that helps in increasing the surface area.

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https://brainly.com/question/15459383

phenotype and genotype of this punnet square?

Answers

Answer:

Phenotype: whatever the capital P is

PP and Pp

Explanation:

So the genotype is PP 1/2 Pp 1/2

and so in your question it should have whatever the "PP" and "Pp" stand for in your question would be it. So lets say red flower = PP and Yellow flower = Pp so  it would be Red Flower 1/2 and Yellow Flower 1/2

Hope it helped!

Can someone help with all 3 questions please?

Answers

Question 1: the cell must grow in size so there is enough material for each new cell

Question 2: interphase

Question 3: false

Many populations in a specific area or region at a certain time make up a O Community O Niche O Ecosystem O Population​

Answers

Answer:

O Community

Explanation:

A community is made up of many populations within a specific area a certain period of time.

A population is group of organisms of the same species that can interbreed and produce viable offspring Populations of organisms in a specific area or region is known as a community. An example is a community made up birds population, human beings, lizards etc.

The apples at the local supermarket have been genetically engineered to resist warmer temperatures than they did before. What do these apples contain?

Answers

Answer:

Recombinant DNA

Explanation:

Answer: C

Explanation:

What organelle(s) gives plant cells their shape?
O A chloroplasts
O Blarge central water vacual
O C cell wall
O D both B and C contribute to the plant cells shape.

Answers

Answer:

A. Chloroplasts

Explanation:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.

Hope this helped. Have a Great Day!!!

Answer:

options 1 chloroplasts is the correct answer

I need some help with these questions

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The top question is osmosis and the bottom question is active transport:)
Ok. So the first questions answer is:
A. Osmosis. And the second questions answer is: B. Active transport

Living things are made of mostly water

Answers

Answer:

It is true or false or what??

Answer:

Yes

Explanation:

Living things are mostly made up of water

Why or why not? Explain using the meaning of abiotic and your understanding of the characteristics of life.

Answers

Answer:

Abiotic factors are nonliving.

Living things have cells.

Abiotic factors cannot have cells.

The non-living element of the ecosystem which creates the background is called abiotic factors.

Abiotic factors are important because they influence the life cycle of the ecosystem.

Abiotic factors are non-living:

They are the determinants that do not have specialities like a living thing and comprises water, mountains, light, temperature etc.

Breathing objects are made up of structural units called cells but abiotic constituents lack cells.

Abiotic factors cannot give birth and hence are not generative.

They are not competent in using the energy needed for metabolism.

Therefore, abiotic factors are non-living.

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I need help with this question. I only need answers for the ones on the right.

Answers

Answer:

possible genotypes are TT and Tt as you can see from the chart. they both contain the dominant gene so the only possible phenotype is tall eyeballs. therefore, the hospital did make a mistake because its not possible.

A cell that has two of every kind of chromosome is ____.
a.
haploid
c.
an egg
b.
diploid
d.
a sperm

Answers

diploid is the answer

what are the limiting factors of the burning bush?

Answers

It affects the quality of the soil

Determine some disorders in the digestive tract​

Answers

Answer:

Gastroesophageal Reflux Disease (GERD) ...

Peptic Ulcer Disease (PUD) and Gastritis. ...

Stomach Flu. ...

Gluten Sensitivity and Celiac Disease. ...

Inflammatory Bowel Disease (IBD) ...

Irritable Bowel Syndrome (IBS) ...

Constipation. ...

Hemorrhoids.

Explanation:

Answer:

♡hi there stranger ♡

-- Some disorders in the digestive tract is cholangitis,  hepatitis B or hepatitis c, cirrhosis, liver failure, and autoimmune and alcoholic hepatitis.

~Clara ✧・゚: *

Explanation:

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