How many moles of methane gas are in 44.8 L of CH at STP?

Answers

Answer 1

Answer:

2 mol CH 4

Explanation:

43.8 x L

----------------                      = 2 mol CH 4

22.4 x L x mol - 1


Related Questions

In what way is heat transferred to the tubes? (Hint “touching’”)
Please help
I will give you Brainliest

Answers

Answer:

in heat transfer, as the fluid flows along the tube, the wall layers are heated or cooled. temp. variation occurs in the wall layers.

good luck :)

i hope this helps

have a great day !!

I need help asap its due today!!!!!

Use the dichotomous key to answer the question. Of the following characteristics, which was used to classify insects?

A. presence of a head

B. shape of wings

C. number of wings

D. shape of abdomen

Answers

Answer:

B. shape of wings

Explanation:

Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons).

Higher classification: Hexapoda

Students report that the sky in their area has mostly cirrus clouds. What are most likely the weather conditions in the area?
rainy weather
dark, overcast (blocking the sunlight)
stormy weather
fair, pleasant weather

Answers

I believe it is fair, pleasant weather! Cirrus clouds predict fair to pleasant weather and are usually seen in the winter!

1. The chemical formula of caffeine is C8H10N4O2. Determine the percent composition of the molecule.
Show work please

Answers

Answer:

we find the mass for each element in one mole by multiplying the number of atoms in one molecule with the atomic mass

mC=8Ac=8*12=96g

mH=10AH=10*1=10g

mN=4AN=4*14=56g

mO=2AO=2*16=32g

by adding the masses together we find the molar mass of the molecule

M=mC+nH+mN+mO=96+10+56+32=194g/mole

we apply the rule of threes to find the percentage of each element

194g..96gC..10gH...56gN....32gO

100g....a...........b...........c.............d

a=(100*96)/194=49.48%C

b=(100*10)/194=5.19%H

c=(100*56)/194=28.85%N

d=(100*32)/194=16.48%O

Explanation:

Which particles make up most of the mass of an atom?

Answers

i think Neuterons i am right

Answer:

I do not know srry

Explanation:

TICLA ruuis SLCLLICU 10115CI.
Question 3 (1 point)
Which option correctly ranks the states of matter from slowest to fastest particle
speed.
gas, liquid, solid
solid, liquid, gas
solid, gas, liquid
gas, solid, liquid

Answers

Solid, liquid, gas. Hope this helps!

1
What is the mass of 0.328 mol of CO2?

Answers

A practical chemical unit for handling atoms and molecules. Since atoms and molecules are so small, it is impossible to handle and count atoms and molecules individually. Therefore, the Chemists devised a special unit to describe very large number of atoms, ions and molecules and it is called mole and is abbreviated as mol.

Answer:

use this conversation units to help you hope it helps

What are resistors? please help​

Answers

Answer:Resistor Basics

Resistors are electronic components which have a specific, never-changing electrical resistance. The resistor's resistance limits the flow of electrons through a circuit.

They are passive components, meaning they only consume power (and can't generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.

Resistor units

The electrical resistance of a resistor is measured in ohms. The symbol for an ohm is the greek capital-omega: Ω. The (somewhat roundabout) definition of 1Ω is the resistance between two points where 1 volt (1V) of applied potential energy will push 1 ampere (1A) of current.

As SI units go, larger or smaller values of ohms can be matched with a prefix like kilo-, mega-, or giga-, to make large values easier to read. It's very common to see resistors in the kilohm (kΩ) and megaohm (MΩ) range (much less common to see miliohm (mΩ) resistors). For example, a 4,700Ω resistor is equivalent to a 4.7kΩ resistor, and a 5,600,000Ω resistor can be written as 5,600kΩ or (more commonly as) 5.6MΩ.

Schematic symbol

All resistors have two terminals, one connection on each end of the resistor. When modeled on a schematic, a resistor will show up as one of these two symbols:

Resistor schematic symbols

Two common resistor schematic symbols. R1 is an American-style 1kΩ resistor, and R2 is an international-style 47kΩ resistor.

The terminals of the resistor are each of the lines extending from the squiggle (or rectangle). Those are what connect to the rest of the circuit.

The resistor circuit symbols are usually enhanced with both a resistance value and a name. The value, displayed in ohms, is obviously critical for both evaluating and actually constructing the circuit. The name of the resistor is usually an R preceding a number. Each resistor in a circuit should have a unique name/number. For example, here's a few resistors in action on a 555 timer circuit:

Answer: resistor is

Explanation:

A resistor controls the flow of the electrical current within a circuit. Resistors are made from materials like copper or carbon, which make it difficult for the electrical charges to flow through a circuit. The most common type of resistor is a carbon resistor, which is a general purpose resistor, best suited for lower-powered circuits.

What kind of reaction is 2H202 → 2H20 + O2?
O A. Decomposition
O B. Single-replacement
C. Double-replacement
O D. Synthesis

Answers

Answer:

this reaction is so the answer should be A

In a chemical reaction between copper metal and silver nitrate, 12.7 g of copper(II) and 64.5 g of silver nitrate react, and 38.1 g of Silver is produced. 21) Predict the products and write the balanced equation and include the physical state of each. 22) What type of chemical reaction is this? 23) Which is the limiting reactant? You must include the work for this to receive full credit. 24) What mass of excess is used up, and what mass is left over? 25) Calculate the percent yield.

Answers

Answer:What should you do if you realize during research that your original theory is wrong

Explanation:

What happens when a chemical reaction reaches equilibrium

Answers

The forward and reverse reactions proceed at the same rate once at equilibrium.

why are metals poor choices for coffee mugs?

Answers

Answer:

They will stay too hot.

Explanation:

You would burn yourself on the mug and your drink would be too hot to drink.

Well they can rust if you don’t dry properly. But they can burn your hands because they conduct heat.

How do we know if molecules have kinetic energy?

Answers

By looking at their temperature. The hotter/warmer something is, the more average kinetic energy the thing has. The cooler it is, the slower. Hope this helps!

Solar energy converts ___ into either ___ energy or electrical energy.

electromagnetic, thermal
electromagnetic, potential
thermal, nuclear
chemical, thermal

Answers

Answer:

Hey mate....

Explanation:

This is ur answer.....

Solar radiation can be converted either into thermal energy (heat) or into electrical energy.

Hope it helps!

mark me brainliest plz......

Follow me! :)

Electromagnetic, thermal! Solar energy is electromagnetic since it is from the sun, and then it can convert into thermal or electrical :)

What element is in group 4 and period 3

Answers

Group 4 is the second group of transition metals in the periodic table. It contains the four elements titanium (Ti), zirconium (Zr), hafnium (Hf), and rutherfordium (Rf). The group is also called the titanium group or titanium family after its lightest member.

i need help!! i need to make it like 3:2

Answers

Answer:

use visual studio code and put in this print{3:2}-1

Explanation:

The distance between the Grand Canyon and Mt. Rushmore is approximately 1.147 km. What is this in meters?

Answers

Answer:

1147

Explanation:

you multiply the length by 1000

Please help ASAP!! I’m stuck!!

Which statement is true based on the formula?

6CO2 + 6H2O —> C6H12O6
+ 6O2

1. The mass of carbon dioxide plus water is equal to the mass of sugar plus oxygen

2. The mass of carbon dioxide plus water is less than the mass of sugar plus oxygen

3. The mass of carbon dioxide plus water is greater than the mass of sugar plus oxygen

Answers

Answer:

The answer of this question is 3

3 is the correct answer hope this help

What happened during the fusion reaction shown?

Answers

Answer:

the answer to this question B. Two H nuclei that fused into one He necleus

Explanation:

Two hydrogen atoms fused to one helium molecule, hence option B is correct.

What is fusion?

Fusion is defined as a process in which two or more atomic nuclei unite to create new atomic and subatomic particles. Heat, which is produced when two atoms fuse, is the key to generating energy. Similar to how nuclear fission produces energy, this heat can be utilized to warm water, produce steam, and turn turbines to produce electricity.

In the core of the Sun, hydrogen is being converted to helium. This phenomenon is known as nuclear fusion. Fusion is what powers both the sun and the stars. One example of this kind of reaction is when two hydrogen atoms combine to form a helium atom. During the process, a portion of the hydrogen's mass is converted into energy.

Thus, two hydrogen atoms fused to one helium molecule, hence option B is correct.

To learn more about fusion, refer to the link below:

https://brainly.com/question/12701636

#SPJ2

How many copies of DNA do haploid cells have

Answers

Answer:

2 lol

Explanation:

Analyzing models compare an atom’s structure to a ladder. Identify one way in which ladder is not a good model from the atom.

Answers

Answer:

Climbing a ladder assumes that you would touch/use each step only once. Electrons will take one layer that is empty first, and previous layers or "steps" will continue being filled with additional electrons only when every other layer is occupied by, at least, one electron.

Explanation:

A good analogy is what passengers in a bus do. Everyone tries to sit alone first and only when every pair of seats has a person already seated, people will use them as well, sitting next to each other.

Which of the following describes wind direction?

Answers

there isn’t any pictures or directions showing

Wind direction is reported by the direction from which it originates. For example, a north or northerly wind blows from the north to the south. Wind direction is usually reported in cardinal (or compass) direction, or in degrees.

What is the rate of effusion of Xenon (Xe) gas if the rate of Chlorine (Cl) gas escaping
through a fluorescent light fixture is 2.5 L/min?

Answers

Sorry wanna points hd dhd

The number of ions produced when a substance dissolves is always equal to the number of Adams in a chemical formula. What is incorrect about following statement?

Answers

One thing incorrect is that when dealing with a compound, such as H2SO4, that has 7 atoms in the chemical formula, the polyatomic ion SO4 doesn’t dissociate into one Sulfur and four Oxygens. SO4 stays and a PAI.

Gas in a balloon occupies 3.3 liters. What volume will it occupy if the pressure is changed from 100 kPa to 90.0 kPa, if the temperature is held constant?

Answers

Answer:

3.7 L

Explanation:

Initial volume (V₁) = 3.3 L

Initial pressure (P₁) = 100 KPa

Final pressure (P₂) = 90 KPa

Final volume (V₂) =?

The final volume of the gas can be obtained by using the Boyle's law equation as follow:

P₁V₁ = P₂V₂

100 × 3.3 = 90 × V₂

330 = 90 × V₂

Divide both side by 90

V₂ = 330 / 90

V₂ = 3.7 L

Thus, the final volume of the gas is 3.7 L

determine the velocity of a cart traveling at 135cm in 5.5s.

Answers

velocity = distance/time

distance = 135cm
time = 5.5 s

velocity = 135 cm/5.5 s
velocity = 24.546 cm/s

Answer: 0.245 m/s

Explanation:

So velocity = d/t or distance over time in this case m/s or meters per second. But BE CAREFUL you must remember to convert cm to m always so 135 cm= 1.35m and 1.35m/5.5s= 0.245m/s

Is temperature and pressure directly proportional or inversely proportional?
A. Inversely proportional
B. Directly proportional

Answers

Directly proportional

2.
You take a gas at 3 atm and increase the temperature from 120 K to 240 K. What is the final pressure?
A
6 atm
B
Not enough information
C
3 atm
D
1.5 atm

Answers

Answer:

A. 6atm

Explanation:

Using pressure law equation:

P1/T1 = P2/T2

Where;

P1 = initial pressure (atm)

T1 = initial temperature (K)

P2 = final pressure (atm)

T2 = final temperature (K)

According to this question;

P1 = 3 atm

P2 = ?

T1 = 120K

T2 = 240K

Using P1/T1 = P2/T2

3/120 = P2/240

Cross multiply

240 × 3 = P2 × 120

720 = 120P2

P2 = 720/120

P2 = 6atm

Why does a DNA fingerprint require millions of copies of each DNA fragment

Answers

Answer:

Because it can identify a person.

DNA Fingerprint

A DNA fingerprint is a piece of DNA so distinct that it can prove a person's identity. These distinct areas can take on many different forms, but each form is unique to any one individual.

PCR allows the amplification of a single copy of DNA into millions of copies. However this technique requires that the DNA of interest already be of a known sequence in order to design primers that will specifically hybridize to the target DNA.

It is important as:

It's used as evidence in courts, to identify bodies, track down blood relatives, and to look for cures for disease.

Learn more:

brainly.com/question/13695548

Am I doing this right?

What is [OH-] of a solution
with a pH of 4.0?

Answer in M

Answers

Am I doing this right?

What is [OH-] of a solution
with a pH of 4.0?

Answer in M
Ya
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