how many moles in 2.5 liters of methane gas
Answers
Answer:
0.155836449023405
Explanation:
The molecular formula for Methane is CH4.
The SI base unit for amount of substance is the mole.
1 grams Methane is equal to 0.062334579609362 mole.
Answer:
Explanation:
After calculating the answer will be 0.112 mol CH4
Related Questions
Which stage follows anaphase I?
metaphase I
telophase II
anaphase II
telophase I
Answers
Answer: telophase 1
Explanation: in anaphase 1 the chromosomes are being pulled apart. The next stage of mitosis is telophase 1 where the chromosomes are surrounded by a new nuclear membrane and start breaking down.
Hope this helps!
help
Nicole has 2 glasses on the counter: one of water and one of sugar-water. She is baking a cake and needs to use the sugar-water for the glaze. Both glasses look identical, but one contains a mixture and the other contains a compound.
Is sugar-water a mixture or a compound? Define mixtures and compounds, and explain how, without tasting it, Nicole can test to make sure she is using the sugar-water in the glaze.
Answers
Answer:
sugar-water is a mixture not a compound.(homogeneous mixture.)
Explanation:
Compounds are substances formed by the chemical combination of two or more elements. Mixtures are substances formed by physically mixing two or more substances together.
The solution of sugar in water is considered a mixture not a compound because the particles of sugar and water are not completely dissolve nor mixed in a fixed proportion or ratio. hope this helped :)
Answer: Nicole can take a small amount of sample from both of the glasses, she can place the samples in two separate containers and leave them out in the sun, so that the water gets evaporated. One of the two containers will contain a residue of sugar. The one containing the sugar residue, is the sugar-water solution.
A dog is exposed to radiation and it caused damage to a cell’s DNA. This genetic change results in the controls on mitosis not working. Which one of the following is most likely to occur after this damage?
Responses
An infection in the blood spreads results in sepsis ,
A blood clot stops oxygen to the heart, causing a heart attack,
Cells produce new versions of a virus to allow it to spread throughout the body
The cell dividing rapidly and creating a cancerous tumor
Answers
I suppose the last option to be correct.
Answer:
The cell dividing rapidly and creating a cancerous tumor
Explanation:
It's the drawing axis, this is due in some hours so pls hurry.
Answers
Answer:
What are we supposed to do
Explanation:
Answer:
Ummm... wdym... comment
↓
Explanation:
If two objects have different temperatures, heat will flow from the warmer object to the cooler one until _________________________.
A. one reaches a temperature of zero
B. one runs out of energy
C. they reach the same or equal temperature
D. one is absorbed into the other
Answers
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
Answers
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
Human obtain electricity through fossil fuel, nuclear, solar, geothermal, wind, biomass, and hydroelectric power.
For at least two of these, explain ways that using this resource could pollute freshwater.
Answers
For fossil fuel: Oil spills and leaks during extraction or transport can pollute water sources.
For nuclear power: An uncontrolled nuclear reaction can result in widespread a contamination of water.
PLZ HELP ME THIS IS DUE TODAY
Which organelle aids in the production and movement of proteins and other materials through the cell?
lysosome
endoplasmic reticulum
cytoplasm
cell wall
Answers
Answer:
endoplasmic reticulum
Explanation:
I just took a test that had this question and this was the answer.
Can somebody help me with my science HW
Answers
2. C
3. C
4. B
5. C
definition of the volume of the sun?
Answers
Answer:
\(1.412*10^18km^3\)
Explanation:
\(V=4/3 \pi r^3\\\\The sun radius in km= 695700\\V=4/3\pi (695700)^3\)
What is NOT true about genes and chromosomes?
Genese are located on chromosomes
Chromosomes are in the nucleus
A single chromosome can contain hundreds of genes
All of these are true
Answers
Let us go option by option :
1) Genes are located in chromosomes. TRUE
Chromosomes are in cell nucleus. A chromosome contains hundreds and thousands of genes. A normal have 23 pairs of chromosomes, and a total of 46.
2) Chromosomes are the in nucleus.
TRUE
Chromosome is structure found in nucleus of the cell. It is made up of protein and DNA.
3) A single Chromosome can contain hundreds of genes.
TRUE
single Chromosome can contain hundreds of tgenes.
4) All of the above
TRUE
As all the statements above are true. The correct option is 4.
Answer:
all of them are true
Explanation:
this is because chromosomes contain genetic materials and it is present in the nucleus.
Therefore, the correct option is 4) all of these are true
no problem
Assign an oxidation number to each element in the reaction.
CO(g) + 2H2(g)
CH3OH(g)
In CO, the oxidation number of C is
and that of O is
In H2, the oxidation number of H is
In CH3OH, the oxidation number of C is
that of O is
and that of H is
DONE
Answers
Answer:
In CO, the oxidation number of carbon is +2 and that of oxygen is -2
In H2 the oxidation number of hydrogen is zero
In CH3OH, the oxidation state of carbon is -2, that of hydrogen is +1 and that of oxygen is -2
Explanation:
The oxidation number of an element in any compound is defined as the electrical charge that the element appears to have as determined by a set of arbitrary rules. These rules make it possible to calculate the oxidation number of an atom in a compound given the oxidation numbers of other atoms in the same compound.
In CO, the oxidation number of carbon is +2 and that of oxygen is -2
In H2 the oxidation number of hydrogen is zero
In CH3OH, the oxidation state of carbon is -2, that of hydrogen is +1 and that of oxygen is -2
Jane is a graphic designer who is hired by several different companies to create logos and marketing designs. As part of her final project, she makes sure to deliver images in several resolutions. Why is the resolution of an image important? Why would several different versions of the same image be needed? What would happen if a low-resolution image was used on a large poster? Explain your reasoning.
Answers
Answer: Which substances are released during cellular respiration?
Use complete sentences to explain how the mass of oxygen is conserved during cellular respiration.
Explanation:
Answer:Use complete sentences to explain how the mass of oxygen is conserved during cellular respiration.
Properties of cotton ball
Answers
Answer:
1. Absorbent
2. Breathable.
3. Hypoallergenic.
4. Non-toxic.
5. High wet modulus (stronger when wet)
6. Biodegradable.
7. Excellent wicking.
8. Wipe dry performance.
Answer:
Stringy, light, spherical, absorbant, small, and thread-like (because you can make cotton into clothes).
Calculate the volume (in cm3
) of 54 g
of water at 1 ∘C
.
Express the volume in cubic centimeters to two significant figures.
Answers
The invisible spectrum contains all the colors of the rainbow.
A.)True
B.)False
Answers
Answer:
False
Explanation:
We can see the colors of the rainbow, therefore they are visible.
Carlos is using the following images of a coal plant and a barbecue for his science investigation about chemical energy. Based on his observations, which statement most likely describes the conclusion of his investigation?
a coal plant
a barbecue
The images show examples of chemical energy being converted into heat and electrical energy.
The images show examples of mechanical energy being converted to heat energy.
The power plant and the barbecue convert electrical energy into chemical energy.
The power plant and the barbecue store heat energy and convert it to chemical and electrical energy.
Answers
I believe it is the first one, please correct me if I'm wrong.
Answer:
A
Explanation:
Choose 1 type of electromagnetic wave. Write 3 sentences about that type of wave. Describe the wave's frequency and wavelength as well as what the wave is used for in the real world.
Answers
Answer: Ultraviolet
Explanation:
The video attached will help you remember the Electromagnetic Spectrum; just search it.
Ultraviolet has a higher frequency than visible light but a lower frequency then x-rays. Ultraviolet has a wavelength range of 100-400 nm.Ultraviolet can be used in detecting forged bank notes.
Answer: Radio waves
Explanation :
There are seven types of electromagnetic waves are present in nature .
Radio waves , microwaves , infrared waves , visible light , ultraviolet waves , X -rays , Gamma rays .
IN GIVEN QUESTION ONLY ASKED ABOUT ONE ELECTROMAGNETIC WAVE, SO I WILL BE EXPLAINED ABOUT RADIO WAVE .
Radio waves :
1) Radio waves are the electromagnetic wave with the longest wavelengths.
2)These waves are a type of electromagnetic radiation with frequencies ranging from 300 GHz to 3kHz.
3) The wavelength is 1mm at 300 GHz and 100 km at 3kHz .
Radio waves are used for communication.
what is the relationship between convince and suspect?
Answers
To convince someone means to persuade them to believe or do something. This involves gaining their trust and making them feel confident in your argument or proposal.
On the other hand, to suspect someone means to have doubts or distrust about their motives or actions. This involves questioning their credibility and being cautious about their intentions.
So, while convincing involves building trust and confidence, suspecting involves the opposite - doubting and being cautious.
what type of atmospheric conditions does weather describes
Answers
Answer:
humidity, air temperature and pressure, wind speed and direction, cloud cover and type, and the amount and form of precipitation,
Zavia climbed a mango tree to get the ripest mangoes. He got stung by a bee. What do you suggest for Zavia to put on the bee sting for neutralization to occur?
1 Ice
2 Baking soda
3 Benadryl
4 Vinegar
Answers
Answer:
Baking soda
Explanation:
1 ice
2 baking soda
3 Benadryl
4 vinegar
The answer is baking soda
How do you make an atom model? PLEASE HELP ANY IDEAS GUYS?
Answers
Answer:
If you are looking for like a drawing say less.
pls help
Ionic and covalent bonds help arrange atoms into unique structures for proteins like hemoglobin. Why is this necessary?(1 point)
Answers
Answer:
Ionic bonds can be important to protein structure because they are potent electrostatic attractions. In the hydrophobic interior of proteins, ionic bonds can even approach the strength of covalent bonds
Covalent bonds in amino acids are useful to stabilize the structure of the proteins and their interactions. The ionic bond formed as the atoms in amino acids with opposite charges accompanied strong electrostatic attractions.
What types of bonds are involved in protein structure?Proteins are 3D structures of amino acids that are further made of an amine and a carboxyl group, and are arranged in specific structures in four levels to give rise to the complete protein molecule.
Proteins can be described as the polymers of polypeptides which are structured by arrangements of these chains in a three-dimensional structure. They are folded and are driven by special non-covalent interactions such as peptide bonds, ionic bonds, hydrogen bonds, Van der Waals interaction, and disulfide bridges.
The primary structure is the sequence of amino acids through peptide bonds to form a polypeptide chain. The secondary structure is a sub-structures made by hydrogen bonding between the main chain peptide groups on the polypeptide backbone chain.
Tertiary structure is the 3D arrangement of protein in which α and β helices are folded into a globular structure with the interactions such as hydrogen bonds, salt bridges, disulfide bonds, and tight packing of side chains.
Learn more about protein structure, here:
https://brainly.com/question/14703077
#SPJ5
Which of these can be combined to make a mixture?
a. solid and a liquid
b. two solids
c. two liquids
Answers
Answer:
c
Explanation:
you cant mix a rock and a rock together and expect to get a mixture
and you cant mix a rock and water and expect them to mix
so its on logical that it is two liquids
Use the picture below to answer the question.
Comparing the two waves, wave B has a...
A) higher frequency.
B) greater amplitude.
C) shorter wavelength.
D) longer wavelength.
Answers
Answer: D) longer wavelength.
Explanation:
As far as I know, you calculate frequency on a graph using the number of peaks you can see. Since the wavelength is shorter (the distance between two peaks on the wave), the frequency should also be higher as more fit on the graph.
Hammerhead Shark Process of Sexual Reproduction
Answers
Answer:
The hammerhead sharks exhibit a viviparous mode of reproduction with females giving birth to live young. Like other sharks, fertilization is internal, with the male transferring sperm to the female through one of two intromittent organs called claspers. The developing embryos are at first sustained by a yolk sac.
Explanation: hope this helped
Give an example of how you could use different reference frames for the same motion.
Answers
Answer:
Motion is defined as a change of position. How we perceive motion depends on our frame of reference. Frame of reference refers to something that is not moving with respect to an observer that can be used to detect motion.
Explanation:
Which of the following is a primary way in which proteins are used in the body?
Answers
Answer:
D
Explanation:
Transport proteins carry substances throughout your bloodstream — into cells, out of cells or within cells. The substances transported by these proteins include nutrients like vitamins or minerals, blood sugar, cholesterol and oxygen.
_____________________ are trying to create better batteries that can store more energy, so that electric cars can travel further on one charge.
Answers
Answer:
options?
Explanation:
i mean scientists fits so if any of the options have a scientist thats it
Answer:
Scientists, Chemists, engineers, inventors there is a wide range of answers but if there are options (like A. scientist B. chemists and so on) you need to edit your question and put them in
Explanation:
A small gap is left between the rails in the railway track. Analyze the reason.
Answers
Answer:
There could be several possible reasons for a small gap between rails on a railway track, such as:
1. Expansion joints: Railways are designed to allow the tracks to expand and contract with changes in temperature. To accommodate this expansion, small gaps are left between the rail ends and filled with expansion joints or plates.
2. Wear and tear: Over time, the rails may experience wear and tear due to heavy loads, weather conditions, and other factors. As a result, small gaps can appear between the rails.
3. Maintenance: During maintenance activities, rail tracks may be adjusted or replaced, which could lead to small gaps between the rails.
4. Environmental factors: Environmental factors such as soil shifts, earthquakes or other natural disasters can also affect the alignment of the rails, leading to small gaps.
These are some of the possible reasons for a small gap between the rails on a railway track.
Answer:
The small gap left between the rails in a railway track is intentional and serves a specific purpose. This gap is known as the rail joint, and it allows for the expansion and contraction of the rails due to changes in temperature. When the temperature changes, the metal rails will expand or contract, and if they were joined together tightly, they could buckle or become deformed, which could be dangerous for trains passing over them. The rail joint allows the rails to move slightly and prevent damage to the track.
Additionally, the rail joint also allows for maintenance and repairs of the track. If there were no gap between the rails, it would be challenging to replace a damaged rail or perform routine maintenance, such as tightening bolts or lubricating joints. With the rail joint, maintenance personnel can easily access and work on the track.
Overall, the small gap left between the rails in a railway track is intentional and serves a crucial function in ensuring the safety and reliability of the track.