The amount (in pounds) the gasoline tank will hold when full is 153.76 lb
What is density?The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as
Density = mass / volume
How to convert gallon to milliliters1 gallon = 3785.412 mL
Therefore,
25 gallon = 25 × 3785.412
25 gallon = 94635.3 mL
How to determine the mass Density = 0.737 g/mLVolume = 94635.3 mLMass =?Mass = Density × Volume
Mass = 0.737 × 94635.3
Mass = 69746.2161 g
How to convert grams to pounds453.592 g = 1 lb
Therefore,
69746.2161 g = 69746.2161 / 453.592
69746.2161 g = 153.76 lb
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At constant pressure, the volume of a gas is directly proportional to temperature as measured on the __ temperature scale.
At constant pressure, the volume of a gas is directly proportional to temperature as measured on the kelvin temperature scale.
What is Temperature?This is defined as the degree of hotness or coldness of a substance and is influenced by thermal energy.
The standard unit is Kelvin which also compares it to volume at constant pressure of a given gas.
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What is the structure of the cytosine base after catalysis by dnmt3a?.
The structure of the cytosine base after catalysis by DNMT is 5'Mecytosine.
What is a cytosine base?Cytosine (C) is one of the four nucleotide bases in DNA, with the other three being adenine (A), guanine (G) and thymine (T).
Methylation of the cytosine base is catalyzed by the enzyme DNA methyltransferase (DNMT), and S-adenosyl methionine (SAM) functions as the methyl group donor.
Hence, the structure of the cytosine base after catalysis by DNMT is 5'Mecytosine.
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What mass of Na2CO3 will be required to dissolve in 0.3 L of water to make a 0.5 M solution?
The mass of [tex]Na_2CO_3[/tex] that will be required to be dissolved in water would be 15.9 grams
Solution preparationRecall that: molarity = mole/volume in L
In this case, the volume is 0.3 L and the molarity is 0.5 M.
Thus, mole = molarity x volume = 0.5 x 0.3 = 0.15 moles
Mass of 0.15 moles [tex]Na_2CO_3[/tex] = 0.15 x 106 = 15.9 grams
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When carbon bonds in organic compounds, which of the following is/are true: (1) Carbon makes 4 bonds. (2) Carbon can form single, double or triple bonds. (3) Carbon atoms can form branched chains. (4) Carbon forms covalent bonds. (5) All of the above are true.
All of the above are true as regards carbon bonds in organic compounds and is denoted as option 5.
What is Organic compound?These are chemical compounds which contain carbon-hydrogen or carbon-carbon bonds. Carbon has four valence electrons which makes it tetravalent and able to form multiple bonds.
They can form multiple bonds and branched chains in hydrocarbons such as alkanes, alkenes and alkynes during reactions.
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Calculate the mass of water producd from the reaction of 126g of pentaboron noahydride with 192g of moleculAR OXYGEN
Answer:
81.08g of H[tex]_{2}[/tex]O will be produced.
Explanation:
Write down the balanced chemical equation:
[tex]B_5H_9 + O_2[/tex] ⇒ [tex]B_2O_3+H_2O[/tex]
[tex]2B_5H_9+12O_2[/tex] ⇒ [tex]5B_2O_3+9H_2O[/tex]
Determine the limiting reagent:
[tex]B_5H_9[/tex] :- 126/63.12646 = 1.995993 mol
1.995993/2 = 0.9979965
[tex]O_2[/tex] :- 192/31.9988 = 6.000225 mol
6.000225/12 = 0.50001875
Therefore, [tex]O_2[/tex], is the limiting reagent.
Use stoichiometry ratios to determine the number of moles of water produced:
[tex]O_2[/tex] : [tex]H_2O[/tex]
12 : 9
6.000225 : 4,500168756328362
Use the mole formula to calculate the mass of water produced:
[tex]n=\frac{m}{M} \\m=nM\\m=(4.500168756328362)(18.01528)\\m=81.08g[/tex]
How many milliliters of a stock solution of 2.50 M SrCl2 would you need to dilute to make 50.0 mL of 1.00 M SrCl2?
Answer:
20 ml
Explanation:
2.5 M x = 1 M * 50
x = 20 ml
Help number 5 question
Answer:
In water, bases dissolve and provide hydroxide (OH-) to the surrounding solution. This lowers the acidity of the solution.
A solution of sulfuric acid (h2so4) has a concentration of 6.0m. it contains 14.7mol h2so4. what is its volume? reference: m = mol/l
group of answer choices
0.41l
88.2l
none of these are correct.
2.45l
Answer:
V = 0.41L
Explanation:
[tex]c=\frac{n}{V}\\n=cV\\14.7=6.0V\\ \\V=0.41l[/tex]
PLEASE HELP ANYONE!!
Claim: A small spark can start a huge explosion.
Evidence:
Reasoning:
Answer:
I think a small spark can start a huge explosion because, a spark or a small firework for an example, can start a fire. You don’t want to have a spark or sparkler lit in your house. This is why I think that it could start a fire.
Explanation:
reasoning
My reason is that if you have a lighter, and you lite the sparkler or spark, you will definitely see a flame glowing at the top. One reason for why you need to lite things that could start fires outside is, that it can be deadly if you accidentally leave one inside or somewhere close to your house or a window. Another piece of evidence is one from a movie. This scenario is kind of like the one in a dogs purpose. A dog’s purpose is about how a dog begins there life as a puppy, they eventually end up having to be saved again by their owner but that’s the summary for just the small unimportant parts. But the real reason for why I’m comparing the question to this is because, in the movie, the rising action, is kind of when the dog, gets put to sleep. But after it goes on all different types of adventures both dangerous, boring at times, and then mood changing I think the story is similar to the question because, a adult sets a fire on the house and the owner of the dog and the owners mom have to get out with there dog. The owner that’s a boy or adult boy, has to jump out the window after saving his dog and this is how a small spark can make a huge impact or life changing lesson.
Which of the following is one of the ending compounds
during cellular respiration?
O Glucose
O Mitochondria
O Oxygen
O Water
Hello Brainly! Please Help! Thank You! (The Directions are the Red Text)
Answer:
ok so which answer do you want if you want all then here's this
Explanation:
you should remember that you aren't the only on who dosent know the answers because I don't so ask a parent
How do potential and kinetic energy work?
Answer:
You now know that potential energy is position relative, and kinetic energy is motion relative. The primary relationship between the two is their ability to transform into each other. In other words, potential energy transforms into kinetic energy, and kinetic energy converts into potential energy, and then back again.Explanation:
don't forget to mark me brainlistThe following diagram represents what type of reaction?
The type of reaction represented by the diagram is (C). Fission
Meaning of Nuclear FissionNuclear fission can be defined as a reaction in which the nucleus of an atom splits or breaks into two or more smaller portions of nuclei.
Nuclear fission is so important and is often seen or encountered when dealing with elements with high nuclear properties.
In conclusion, the type of reaction represented by the diagram is Fission
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How many valence electrons do atoms need to be stable? What is the exception?
Predict the product of the reaction of cyclopentanone with ethylene glycol, p−toluenesulfonic acid, and benzene
The answer to the product of the reaction of cyclopentanone with ethylene glycol, p−toluenesulfonic acid, and benzene is attached in the figure.
What is a reaction ?A chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances is called a reaction.
Chemical reactions are an integral part of technology, of culture, and indeed of life itself.
The Product obtained of the reaction of cyclopentanone with ethylene glycol, p−toluenesulfonic acid, and benzene is attached in the figure .
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Four cars travel at the same speed down a road. Their mass and kinetic energy are shown in the graph,
80,000
60,000
40,000
al
20,000
0
500
1,000
1,500 2,000
Mass (kg)
Which statement is true about the kinetic energy of the cars?
OA, Kinetic energy is unrelated to the mass of the cars.
B. Kinetic energy is proportional to the mass of the cars.
Oc. Kinetic energy is proportional to the mass of the cars squared.
OD. Kinetic energy is inversely proportional to the mass of the cars.
Kinetic Energy (1)
Answer:B
Explanation:
Moving electrons are found to exhibit properties of.
Answer:
both particles and waves
Explanation:
this is known as wave-particle duality.
I hope this helps.
Have a nice day.
Some industries require a decrease in the rates of reactions instead of speeding them
up.
1) Name an industry that requires such criteria.
2) How is this possible? Suggest and explain two different ways
Food industries require that reaction rates be lowered and this can be done by addition of preservatives and by freezing food substances.
What is rate of reaction?
The rate of a reaction is a measure of amount of substances converted to products per unit.
Substances that speed up rate of reactions are known as catalysts.
Some catalysts though, reduce or slow down the rate of reactions.
An industry that requires the rate of reactions to slow down is the food industry.
Some methods employed to slow down reaction rates include:
Freezing - lowering temperature reduces rate of reactionsUse of preservatives - preservatives are chemical that inhibit certain organisms and catalysts from acting on foodTherefore, food industries require that reaction rates be lowered and this can be done by addition of preservatives and by freezing food substances.
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the combustion of 17.41 grams of a compound known to only contain carbon, hydrogen, and oxygen produced 25.61 grams of carbon dioxide and 10.48 grams of water. a.) how much percentage of the compound is carbon? b.) how much percentage of the compound is hydrogen? c.) how much percentage of the compound is oxygen?
The compound which on combustion produces Carbon-di-oxide and water is carbohydrates.
Those reaction in which the Crabon present in the reatctant gets reacted with oxygen and produces Carbon-di-oxide.
It is an Exothermic Reaction.
To find out the percentage of C, H and O, we must know about there weight in the product.
Given,
Total weight of compund [Reactant] = 17.41 grams
Weight of carbon dioxide [Product] = 25.61 grams
Weight of water [Product]= 10.48 grams
Now, we need to find out the weight of C,H and O in the products ;
Mass of Carbon = No. of Moles x Atomic weight
No. of Moles of Crabon = [tex]\frac{Given \\ weight\\ of\\ the\\ compound}{Molecular\\ weight\\ of\\ the compound}[/tex] x No. of C-atoms in molecule
No. of Moles of Crabon =25.61 / 44 = 0.58 x 1 = 0.58 moles
Mass of Carbon = 0.58 moles x 12 = 6.98 gm
Mass of Hydrogen = No. of Moles x Atomic weight
No. of Moles of Hydrogen = [tex]\frac{Given \\ weight\\ of\\ the\\ compound}{Molecular\\ weight\\ of\\ the compound}[/tex] x No. of H-atoms in molecule
No. of Moles of Hydrogen =10.48/ 18 = 0.58 x 2 = 1.16 moles
Mass of Hydrogen = 1.16 moles x 12 = 15.08 gm
Mass of Oxygen = Total weight of compound - (Weight of C & H)
= 17.41 grams - ( 15.08 gm + 6.98 gm)
Mass of Oxygen = 4.6 gm
Now,
Percentage of atom = [tex]\frac{Mass \\ of \\ Atom}{Total\\ weight \\ of\\ compound}[/tex] x 100
Percentage of Carbon = 6.98 / 17.41 x 100 = 40 %Percentage of Hydrogen = 15.08 / 17.41 x 100 = 86.61 %Percentage of Oxygen = 4.6 / 17.41 x 100 = 26.42 %Learn more about Percentage composition here ;
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What property of a substance does its specific heat capacity describe?
OA. How much heat is needed to melt it
OB. How much kinetic energy it contains
O C. How much heat it takes to raise the temperature
D. How good an insulator it is
Answer: How much heat it takes to raise the temperature
Specific heat describes how much heat a substance takes to raise the temperature. Hence, Option (c) is correct
What is Specific Heat ?
Specific heat capacity is the amount of heat energy required to raise the temperature of a substance per unit of mass.
The specific heat capacity of a material is a physical property.
It is also an example of an extensive property since its value is proportional to the size of the system being examined.
Specific heat describes how much heat a substance takes to raise the temperature. Hence, Option (c) is correct
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Explain the three ways you can accelerate a golf cart?
Answer:
Pedal, Pushing, and also launching it off a cliff with a catapult
Explanation:
I know nothing
Which would you expect to have the
highest pH (closest to 14)?
Answer:
yes
Explanation:
im pretty sure yes, also i think this is 20 characters long
4- If 10 ml of a 1.5 M H2SO4 solution has been diluted by adding 100 ml of water to the original solution, what is the final concentration of the solution?
The final concentration of a solution that has been diluted by adding 100 ml of water to the original solution is 0.15M.
How to calculate concentration?
The concentration of a solution can be calculated using the following formula:
C1V1 = C2V2
Where;
C1 = initial concentration
C2 = final concentration
V1 = initial volume
V2 = final volume
1.5 × 10 = 100 × C2
15 = 100C2
C2 = 0.15M
Therefore, the final concentration of a solution that has been diluted by adding 100 ml of water to the original solution is 0.15M.
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How many moles of na contain 7.88x1021 atoms of na
Answer:
the answer to the qustion is 0.013089701 na
Explanation:
n/a
TRUE OR FALSE
Q1.) Is the distances of the gas molecules are far greater than it's molecule dimensions.?
Q2.) The movement of any gas particle/molecules is directly affected by temperature.?
｡ﾟ(TヮT)ﾟ｡ H-Help me with this pls...,,
Answer:
Q1. False
Q2. True
Explanation:
gas molecules are not that at far than dimensions molecules
When the temperature of a liquid is increased a little,
what happens to its particles?
Answer:
The particles moves faster thus Expanding the liquid
How many moles are in 8.35 g of H2O?
HELP ASAP PLEASE
The primary cause of water pollution is:
Answer:
the aNSWRER TOP UR QUESTION IS THAT I NMEED TO ANSWER THIS SO I DONT HAVE TO WQATCH ADS LOL
Explanation:
DSADSDASDASDASDSDSDSDSDS and i knowq chem is bio chwem is
During a reaction, the enthalpy of formation of an intermediate is 34 kJ/mol. During the reaction, 4 moles of the intermediate are produced. What is the enthalpy value for this step of the reaction?
The enthalpy change for the formation step of this intermediate is 136 kJ/mol.
What is the enthalpy?The enthalpy of reaction can be obtained from the enthalpies of formation of the species involved. The enthalpy of reaction is the heat evolved or absorbed in a reaction.
Thus, the enthalpy change for the formation step of this intermediate is 4 * 34 kJ/mol = 136 kJ/mol.
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Under what circumstances can the general trend to disorder in the universe be reversed?
Answer:
See explanation.
Explanation:
This will never naturally occur but you can tweak the system quantum mechanically to temporarily reverse entropy.