HELPPPPP PLEASE

What is the volume of 87.0 g of nitrogen dioxide gas (NO2) at STP?

Answer in units of L

Answers

Answer 1

Answer:

V=1.18 L

Explanation:

Alternative solution:

Calculate how many moles

2.34

g

C

O

2

is

2.34

g

1

m

o

l

44

g

C

O

2

=

0.053

m

o

l

Simple mole ratios tell us that

1

mol of any gas at STP is

22.4

L

, but since we only have

0.053

m

o

l

, we times

22.4

L

m

o

l

by

0.053

m

o

l

.

22.4

L

m

o

l

0.053

m

o

l

=

1.18

L

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Related Questions

Which type of rock is MOST LIKELY to form because of high heat pressure

Answers

Answer:

Metamorhpic rock

Explanation:

Answer:

Metamorphic Rocks

Which of the following statements is true about magnets?
The orientation of atoms does not affect a magnet
The molecules of the atom are unaligned
The north pole is stronger than the south pole
The molecules of the atom are all aligned.

Answers

Last one D probably

Answer:

The molecules of the atom are all aligned

Explanation:

What do I do for the drawing, I honestly don't really know anything about this and find it extremely confusing???

Answers

I also don't no really. I posted the picture of dilute and concentrate solution.See if it is or not.

Uhh ns, kind of confusing

Which level of organization in the classification system is directly above the genus level?

Domain
Family
Kingdom
Phylum

Answers

Answer:

The answer is Phylum

Explanation:

the level of organization in the classification system that is directly above the level of "class" is the "phylum".

It’s actually family. It goes Domain, Kingdom, Phylum, Class, Order, Family,Genus, Species. The one before genus is family.

Based on the "Heating Curve for Wax," what is the boiling point for wax?

255°C

50°C

340°C

155°C

Answers

Looks like 340 to me.
Yeah it looks like it would be 340 °c

plsss help ASAP :)))))))))))))))))))))

Answers

It’s B since it has chloroplasts
the answer is B! :)))))

Which of the following statements is true?
O Both liquids and gases are fluids.
o Objects moving through air don't experience friction.
o Temperature is the same as heat.
o Heat is transferred in solids by convection.

Answers

Answer:

Both liquids and gases are fluids = true

Both liquids and gases are fluid is the correct answer

these mixed messages be impossable

Answers

Answer:

What?

Explanation:

What...
Thanks for the points

What is the purpose of the lab? Weather patterns

Answers

Answer:

Here:

Explanation:

To familiarize students with experimental apparatus, the scientific method, and methods of data analysis so that they will have some idea of the inductive process by which the ideas were originated. To teach how to make careful experimental observations and how to think about and draw conclusions from such data.

Answer:

Purpose To examine the effects of humidity, air temperature, and air pressure on weather.

Explanation:

Hiro rolls up a paper towel and puts it in a straw. He puts one end of the straw in a glass of water and observes the movement of the water from the glass up the towel. Which statement best describes Hiro’s model?

Answers

Answer:

there is no picture so i cannot help you

Explanation:

Can someone help quick

Answers

Answer:

Sodium

(Na)

Just count the electrons and search which atom it is.

Study the diagram.

What is forming in the diagram?

a front
a hurricane
a thunderstorm
a tornado

Answers

It’s forming An Hurricane
Cyclone
It is forming a cyclone as there is a centre at the top which is like a hole called the eye

What did you just learn about how sound travels in different mediums?


the density of the medium does not affect the speed of sound.


the less dense the medium, the faster the speed of sound


the denser the medium, the faster the speed of sound

Answers

Answer:

the denser the medium, the faster the speed of sound

Explanation:

What procedure did you use to complete the lab? weather patterns

Outline the steps of the procedure in full sentences.

Answers

Answer:

yeah

Explanation:

4. If you could repeat the lab and make it better, what would you do differently and why?

There are always ways that labs can be improved. Now that you are a veteran of this lab and have experience with the procedure, offer some advice to the next scientist about what you suggest and why. Your answer should be at least two to three sentences in length.

Science Tectonic Plates Cause and Effect (Converge, Diverge and Transform)

Answers

When convergent happens:
•Deep ocean trenches
• volcanoes
• mountains
• earthquakes

When divergent occurs:
• new oceanic crust forms
• submarine mountain range
• volcanoes
• earthquakes

When transform occurs:
• faults
• earthquakes
• linear valleys
• stream beds split in half

PLSSsss HELP ASAP :)

Answers

Answer:

Travis categorized their characteristics correctly.

Explanation: This is because plants use chloroplast in their cells to help them with photosynthesis, and this is what turns them green. Animals do not make their own food so they have no use for chloroplast in their cells.

Answer:

Travis is correct

Explanation:

Photosynthesis takes part in Chloroplast

PLEASE HELP!
The diagram below represents geographical features found in the ocean.

What symbolizes a rift valley?

A. 2
B. 3
C. 4
D. 5

Answers

Answer:

The answer is C, number 4 shows a rift valley

Explanation: This is because the shape of the feature is literally a rift and it forms a valley lol. Also i have some evidence:

The anwer is C I took the test yesterday

(science)Which shared derived characteristic do reptiles, marsupials, and dogs have?

Amniotic egg
Fur
Retractable claws
Shearing teeth

Answers

Answer:

Shearing teeth

Explanation:

Dogs don't lay eggs, reptiles don't have fur, none of them have retractable claws, so shearing teeth is the only thing left.

Shearing teeth because I said so


When living organisms die they are broken apart by worms bacteria and other organisms to make compost. This process is called decomposition of decay, and it involves some chemical reactions that can take long periods

Which of the following would best allow the organic matter to decay more rapidly?!?!?

Answers

Answer:

it would decay faster as heat increases

Placing the organic matter in a sunny area would allow heat to build up inside and decay more rapidly.

The most decisive factor affecting the rate of decomposition is the ambient temperature.


HELP PLEASE!
The picture below shows a 24-hour weather map for Texas.

What does the map indicate the weather will be for Alex's city?

A. Stormy weather caused by a warm front.
B. Clear weather caused by a high-pressure front.
C. Clear weather caused by a cold front.
D. Stormy weather caused by a high-pressure front.

Answers

Answer:

C

Explanation:

the answer would be choice C

What kind of value does biodiversity have within an ecosystem?
Responses
A. Ecological value
B. Recreational value
C. Economic value
D. All of the other answer choices

Answers

Answer:

A. Ecological value

Explanation:

I’m pretty sure ecological value is the answer

Based on the "Heating Curve for Wax," what is the boiling point for wax?



255°C

50°C

340°C

155°C

Answers

50 is the answer to this question.

help me! :> i need help badlyyy

Answers

Answer:

Explanation:

s

Answer:

the answer is S

Explanation:

(  protected DNA )

Can someone help me balance these chemical equations?

1. CuF2 + Mg ---------> MgF2 + Cu3
2. Na + H2O ----------> NaOH + H2
3. KBr + Cl2 ------------> KCl + Br2

Answers

Explanation:

(1) CuF2+Mg-------->MgF2+Cu

(2) 2Na+2H2O --------> 2NaOH+H2

(3) 2KBr+Cl2-------->2KCl+Br2

1) 3CuF2 + 3Mg -> 3MgF2 + Cu3

2)2Na + 2H2O ->2NaOH + H2

3) 2KBr + Cl2 ->2KCl + Br2

omggg someone have a convo wit mee!!

Answers

Answer:

Hiii hows you day

Explanation:

Which ecological relationship is best represented by this graph?

Note: Species A's population increases and Species B's population increases over time.



1: Mutualism


2: Commensalism


3: Parasitism

Answers

The answer would be 1
Mutualism because they are helping each other survive more animals survive more can reproduce

1 The Great Rift Valley is a large land fracture that extends 3000 kilometers across the African continent. What process forms the Great Rift Valley? *

A.The collision of one plate carrying continental crust with another plate carrying continental crust at a convergent boundary

B.The collision of one plate carrying continental crust with another plate carrying continental crust at a divergent boundary

C.The widening of the crust along a divergent boundary as two plates carrying continental crust pull apart

D.The widening of the crust along a convergent boundary as two plates carrying continental crust pull apart

Answers

Answer:

A

Explanation:

A convergent boundary pulls one plate under the other, which can form a rift.

The process of formation of the Great rift valley is the collision of one plate carrying continental crust with another plate carrying continental crust at a convergent boundary.

What is the Great Rift Valley?

The "Great Rift Valley System," which stretches from the Middle East to in the south, is probably the most well-known rift valley on the planet.

Volcanoes, hot springs, geysers, and earthquakes abound in this geologically active region.

Thus, the correct option is A.

Learn more about the Rift Valley

https://brainly.com/question/13604820

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HELP PLEASE ! ! DUE TODAY

The picture shows Halley’s comet, which orbits the Sun and can be seen from Earth every 75 to 76 years.

Halley’s comet orbits the Sun because :
A. the comet has a magnetic field that is attracted to the Sun's opposite magnetic field.
B. the force of gravity between the comet and the Sun influences the comet’s motion.
C. the rotation of the solar system creates winds that push it around the Sun.
D. the comet is attracted to the outer planets that sling it toward the Sun at a high speed.

Answers

Answer:

B is the correct answer I say

B should be the answer

describe the difference between extensive and intensive properties

Answers

Answer:

Intensive and extensive properties are both physical properties. However, intensive properties dont depend on the amount of matter present in a sample, whereas extensive properties do. Intensive properties only depend on the type of matter, such as color, temperature, or solubility. Extensive properties depend on the amount of matter, such as mass, volume or energy

Explanation:

PLEASE HELP ASAP I WILL MARK BRAINLIEST!! PLEASE NO MEAN OR OFF_TOPIC ANSWERS!! :(
Which part of the cell allows some materials in and out? Chromotin, mitochondria , cell membrane, nucleus.

Answers

Answer:

The membrane

Explanation:

Answer:

In living systems, diffusion of substances into and out of cells is mediated by the plasma membrane. Some materials diffuse readily through the membrane, but others are hindered, and their passage is only made possible by protein channels and carriers.

Explanation:

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