A farmer has two types of milk, one that is 20% milkfat and one that is 12% milkfat. How much of each is needed to get 20 gallons of 15% milkfat?.
Answers
Two equal expressions combine to make an equation. It takes 7.5 gallons and 12.5 gallons, respectively, of 20% milk and 12% milk to blend them.
How do equations work?When two equal phrases are added together with the aid of the equal sign "=," an equation is created.
Briefing :
Let the amount of 20%milk mixed be represented by x, while the amount of 12% milk mixed is represented by y. Therefore, the two-equation can be written as,
x + y=20 gallons
0.20x + 0.12y = (0.15×20)
Solve the first equation for x, therefore,
x = 20 - y
substitute the value of x in the second equation,
0.20(20-y) + 0.12y = 3
4 - 0.2y +0.12y = 3
-0.08y = -1
y = 12.5 gallons
substitute the value of y in the first equation,
x + 12.5 = 20
x = 7.5 gallons
Hence, the amount of 20% milk and 12% milk that is needed to be mixed is 7.5 gallons and 12.5 gallons, respectively.
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Related Questions
the question is on the screenshot worth 20 points pls help
Answers
Answer:
Cell Y Only
Explanation:
11.8 Aromatic compounds
1. Name each compound using both the common name and the IUPAC name.
1.
2.
3.
CI
Oo
CI
Br
NO,
2. Name each compound using both the co
CH₂
NO₂
Answers
The compound CO has name carbon monoxide while CH₂ and NO₂ respectively ethylene and nitrogen dioxide respectively.
What is a compound?Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
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Which of the following functional groups could not act as a hydrogen bond donor? both aldehyde and ester. an aldehyde. an amino group. a hydroxyl group. an ester.
Answers
An ester is the functional group that could act as a hydrogen bond donor. Therefore, the correct option is option E.
A functional group is a particular configuration of atoms in a molecule that is in charge of that compound's distinctive chemical reactions and physical characteristics. It refers to a part of a molecule with a unique chemical behaviour. As they influence the reactivity and characteristics of organic molecules, functional groups are crucial to organic chemistry. They are frequently divided into a number of categories according to the kind of atoms that make up the group. Chemists can synthesise new compounds with particular qualities by determining and comprehending the functional group that is present in a substance. The functional group that could serve as a hydrogen bond donor is an ester.
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This immense range began to form between 40 and 50 million years ago when two large landmasses India and Eurasia driven by plate movement interacted
Answers
This immense mountain range began to form between 40 and 50 million years ago, when two large landmasses, India and Eurasia, driven by plate movement, collided is referred to as Himalaya and is therefore denoted as option B.
What is a Mountain?This is referred to as an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock.
The pressure of the impinging plates from the immense mountain ranges when India and Eurasia collided and was relieved by thrusting skyward, formed what is known as the Himalaya mountains which is why option B was chosen as the correct choice.
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The full question is:
This immense mountain range began to form between 40 and 50 million years ago, when two large landmasses, India and Eurasia, driven by plate movement, collided. Because both these continental landmasses have about the same density, one plate could not be subducted under the other. The pressure of the impinging plates could only be relieved by thrusting skyward, and forming the _______________ Mountains.
A) Eurasian
B) Himalaya
C) Rocky
D) Ural
True or false; A solution always contains only one solvent.
Answers
A solution is defined as a mixture of two or more substances, usually, a solute and a solvent, and the difference between these two are in quantity, solute represents the smallest amount and solvent will represent the highest amount, and while you can have more than one solute, you can only have one solvent for a solution. Therefore the statement is true
Why do sound waves travel through solids, liquids and gases?
Answers
Answer:
okay
Explanation:
Sound travels more quickly through solids than through liquids and gases because the molecules of a solid are closer together and, therefore, can transmit the vibrations (energy) faster. Sound travels most slowly through gases because the molecules of a gas are farthest apart.
HELPPPP PLEASEEEE
How many moles of NaCl are present in a solution with a molarity of 8.20M and 125 mL of solution?
Answers
1.025 moles of NaCl are present in a solution with a molarity of 8.20M and 125 mL of solution. Details about molarity can be found below.
How to calculate molarity?The number of moles of a solution can be calculated by multiplying the molarity of the solution by its volume. That is;
no of moles = molarity × volume
According to this question, a solution has a molarity of 8.20M and volume of 125 mL of solution.
no of moles = 8.20 × 0.125
no of moles = 1.025moles
Therefore, 1.025 moles of NaCl are present in a solution with a molarity of 8.20M and 125 mL of solution.
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which unit is closest in size to the radius of an atom
Answers
An atom's radius is well under 1 nanometer, or one billionth of a meter.
What is an atom?An atom is a matter particle that defines a chemical element uniquely. An atom is made up of a central nucleus and one or more negatively charged electrons. The nucleus is positively charged and contains one or more protons and neutrons, which are relatively heavy particles.An element is made up of only one type of atom. Atoms are further subdivided into subatomic particles known as electrons, protons, and neutrons. Chemical reactions allow elements to combine to form molecules.The distance between the nuclei of two identical atoms bonded together is used to calculate atomic radius. Atoms' atomic radius decreases from left to right across a period. Atoms' atomic radius generally increases from top to bottom within the atom.To learn more about atom refer to :
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The molar mass of gas A is 2 and the molar mass of gas B is 32. Which gas effuses faster and by how much?
Answers
The gas A will effuse 4 times faster than gas B.
According to Graham's law of effusionThe rate of effusion of a gas is inversely proportional to the square root of its molar mass. This means that a gas with a lower molar mass will effuse faster than a gas with a higher molar mass.
In this case, gas A has a molar mass of 2, while gas B has a molar mass of 32. Therefore, the square root of the molar mass of gas A is √2, and the square root of the molar mass of gas B is √32.
Using Graham's law, we can calculate the ratio of the rates of effusion of the two gases:
Rate of effusion of gas A / Rate of effusion of gas B = √(molar mass of gas B) / √(molar mass of gas A)
Rate of effusion of gas A / Rate of effusion of gas B = √(32) / √(2)
Rate of effusion of gas A / Rate of effusion of gas B = 4√2 / √2
Rate of effusion of gas A / Rate of effusion of gas B = 4
Therefore, This means that gas A will effuse 4 times faster than gas B.
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which of the following statements is most likely true about the mechanical behavior of an hcp metal versus a bcc metal? which of the following statements is most likely true about the mechanical behavior of an hcp metal versus a bcc metal? the hcp metal is likely more ductile than the bcc metal because its slip planes are close-packed while the bcc metal's slip planes are not. the hcp metal is likely more brittle than the bcc metal because its slip planes are close-packed while the bcc metal's slip planes are not. the bcc metal is likely more ductile than the hcp metal because it has more intersecting slip systems. the bcc metal is likely more brittle than the hcp metal because it has more intersecting slip systems. the bcc metal is likely more ductile than the hcp metal because the bcc metal has lower lattice resistance in its slip planes.
Answers
The most likely true statement about the mechanical behavior of an hcp metal versus a bcc metal is that the hcp metal is likely more ductile than the bcc metal because its slip planes are close-packed while the bcc metal's slip planes are not.
This is because close-packed slip planes allow for easier movement of dislocations, which results in higher ductility. However, it is important to note that the mechanical behavior of metals is dependent on many factors such as temperature, stress, and strain rate, and so this statement may not always hold true.
In general, ductility is influenced by the number of available slip systems in a metal's crystal structure. BCC metals tend to have more intersecting slip systems, which allow for more deformation before failure, resulting in higher ductility. On the other hand, HCP metals usually have fewer slip systems and thus tend to be less ductile.
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What is the freezing point on this graph?
Answers
Answer:
Point a becuse it is the closest to -5*
Explanation:
Answer:
-5
Explanation:
Negative numbers get you confused.
- = Negative
5 = Number
You know 5 right?
I I I I I - 5
5 is a really less number already.
If you add a negative it will be double small.
Now lets figure out the problem:
What is the freezing point on this graph?
-5 is the smallest number
5 is bigger than -5
15 is bigger than 5 and -5
25 is bigger than all the numbers.
I know what your thinking. 25 is totally not the answer. Its the biggest number. Freezing is a very low number. What number is the lowest out of -5, 5, 15, 25. You see -5.
Therefore, -5 is freezing.
A new air mass moves into an area. Which will most likely occur?(1 point)
Responses. Bro yall know what to do.
The colder air mass rises, and there will be clouds and rain.
The warmer air mass rises, and there will be clouds and rain.
The colder air mass rises, and there will be sunshine and a clear day.
The warmer air mass rises, and there will be sunshine and a clear day.
Answers
Answer: I have no idea
Explanation:
BECAUSE I have no idea
In the solar system, most asteroids are ____. (A). Beyond Neptune (B). Orbiting Saturn (C). Between Mars and Jupiter (D). Next to the sun True of false: An object made of ice, dust, and rock that orbits the sun is called an asteroid.
Answers
Answer:
Part 1
In the solar system, most asteroids are;
(C) Between Mars and Jupiter
Part 2
False: An object made of ice, dust, and rock that orbits the Sun is called a Comet
Explanation:
Part 1
The main asteroid belt which is between Mars and Jupiter is the path of the orbit of about 1.9 million asteroids which make up the majority of the known asteroids
Part 2
An asteroids are composed of mainly silicate rocks, and clay for C-type asteroids, nickel-iron, silicate material for the S-type asteroid and nickel-iron, iridium, gold, platinum, palladium, and magnesium for the M-type asteroids
Asteroids are also known to contain olivine and pyroxene minerals, and some asteroids contain water-ice within their interiors
However, a Comet is primarily composed of ice, dust and and rock that orbit the Sun which are as big as a small town in their frozen state.
Therefore, an object made of ice, dust, and rock that orbits the Sun is called a Comet.
Answer:
Its C between Mars and Jupiter
Explanation:
Most asteroids are found in the main asteroid belt located between Mars and Jupiter
How is bakelite made and what is it used for?
Answers
Answer:
Bakelite is made from the reaction between formaldehyde and phenolic materials at high temperatures. Bakelite is used for wire insulation, break pads and other automotive parts, and other electronics components.
=====answer this plss :(
Answers
Answer:
Geothermal energy is an uptrending alternative source of production that relies on the earth's crust and elements of radioactivity.
Increase GDP expansion: Philippines could expand their production and hence their industrialization efforts to create a more economies of scales factoring.Produce a cleaner environment: With a cleaner environment with regards to pollution then the citizens can live at a lower mortality rate.Sulfur is a non metallic material that has a density of 2g/cm3. The volume of a sample of sulfur was measured to be 5.0cm3. What is the density of the wood?
Answers
question: Sulfur is a non metallic material that has a density of 2g/cm3. The volume of a sample of sulfur was measured to be 5.0cm3. What is the mass of the sulfur
Answer:
0.01 kg
Explanation:
Density: This can be defined as the ratio of mass of a body and it's volume. The S.I unit of volume is kg/m³.
Therefore,
Density = mass/volume
D = m/V......................................................... Equation 1
making m the subject of the equation
m = D×V ................................... Equation 2
Given: D = 2 g/cm³ = 2000 kg/m³, V = 5.0 cm³ = 0.000005 m³
subtitute into equation 2
m = 2000×0.000005
m = 0.01 kg or 10 g
In the box below, draw the open-chain structure (as a Fischer projection) of 2-deoxy-D-glucose. You may draw your Fischer projection without using wedged or hashed bonds. Align the Fischer projection vertically, e.g. Show explicitly the bonds to any hydrogens attached to chiral carbons. Do not show bonds to other hydrogens. A start structure for you modify is provided in the sketcher.
Answers
Below is an example of the open-chain structure (as a Fischer projection) of 2-deoxy-D-glucose.
The Fischer projection should be aligned vertically, with the carbon atoms at the top and bottom and the oxygen atoms on the left and right. The chiral carbon atoms should be labeled and any hydrogens attached to them should be explicitly shown. Note that bonds to other hydrogens should not be shown.
O O | /| | / | | H | H | H | | H | | H | | H | H | H | | H | |H | C--C--C--C--C
The diagram provided is a Fischer projection of 2-deoxy-D-glucose. The vertical alignment of the carbon atoms at the top and bottom, and the oxygen atoms on the left and right is correct. The chiral carbon atoms should be labeled and any hydrogens attached to them should be explicitly shown. Note that bonds to other hydrogens should not be shown.
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Las lineas verticales que constituyen la regla de la lluvia se conoce como
Answers
Answer:
Lines of longitude
Explanation:
Lines of direction and lines of longitude are horizontally and vertically lines, respectively.
The phrases vertical and horizontal are frequently used to define directions: a vertical line runs up and down, whereas a horizontal line crosses.
how many parts does the eukaryotic cell have in total
if u answer correctly u will get 20 points
Answers
Answer:
3 parts
Explanation:
Eukaryotic cells have 1) a membrane-bound nucleus; 2) numerous membrane-bound organelles and 3) several, rod-shaped chromosomes.
A 150. gram sample of an unknown metal went from an initial temperature of 22.4°C to a
final temperature of 12.6°C. The sample underwent a change in thermal energy of -662 J. If the
sample is one of the metals listed in the table above, what is the identity of the metal?
Answers
Specific heat capacity if the unknown metal is -0.450 J/(g°C).
What is specific heat capacity?The measure of heat complexity needed to increase the temperature of a single unit of substance mass by one degree Celsius is known as specific heat capacity. This factor is crucial in determining how much energy is required for temperature changes in a given substance.
Equation:q = mcΔT
where q is the change in thermal energy, m is the mass of the metal, c is its specific heat capacity, and ΔT is the change in temperature.
In this case, we have:
m = 150 g
ΔT = 22.4°C - 12.6°C = 9.8°C
q = -662 J
Plugging in the values,
-662 J = (150 g) c (9.8°C)
Solving for c, we get:
c = -662 J / (150 g × 9.8°C) = -0.450 J/(g°C)
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a student prepared a stock solution by dissolving 2.50 g of koh in enough water to make 150. ml of solution. she then took 15.0 ml of the stock solution and diluted it with enough water to make water to make 65.0 ml of a final solution. what is the concentration of koh for the final solution? a student prepared a stock solution by dissolving 2.50 g of koh in enough water to make 150. ml of solution. she then took 15.0 ml of the stock solution and diluted it with enough water to make water to make 65.0 ml of a final solution. what is the concentration of koh for the final solution? 0.0891 m 11.2 m 0.0686 m 14.6 m
Answers
The concentration of KOH in the final solution is 0.0686 M.
To determine the concentration of KOH in the final solution, follow these steps:
1. Calculate the moles of KOH in the stock solution:
Moles of KOH = mass (g) / molar mass (g/mol)
Moles of KOH = 2.50 g / 56.11 g/mol (molar mass of KOH) = 0.0446 mol
2. Calculate the concentration of the stock solution:
Concentration (M) = moles of solute / volume of solution (L)
Concentration = 0.0446 mol / 0.150 L = 0.297 M
3. Use the dilution formula to find the final concentration of KOH:
C1V1 = C2V2, where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.
0.297 M (concentration of stock solution) × 0.015 L (volume of stock solution used) = C2 × 0.065 L (final volume of solution)
4. Solve for C2 (final concentration):
C2 = (0.297 M × 0.015 L) / 0.065 L = 0.0686 M
The concentration of KOH in the final solution is 0.0686 M.
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the ____ order split from the cluniac order to follow the rules of saint benedict more strictly.
Answers
The Cistercian order split from the Cluniac order to follow the rules of Saint Benedict more strictly.
The Cistercians, formally known as the Order of Cistercians (Latin: (Sacer) Ordo Cisterciensis, abbreviated as OCist or SOCist), are a Catholic religious order of monks and nuns who split off from the Benedictines and adhere to the Latin Rule, which incorporates Bernard of Clairvaux's contributions as well as the Rule of Saint Benedict. As a nod to the color of the "cuculla" or cowl (choir robe) worn by the Cistercians over their habits as opposed to the black cowl used by Benedictines, they are also known as Bernardines, after Saint Bernard himself, or as White Monks.
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an aqueous solution contains 0.135 m ascorbic acid (h2c6h6o6) and 0.192 m perchloric acid. calculate the ascorbate (c6h6o62-) ion concentration in this solution. [c6h6o62-]
Answers
The ion concentration of Ascorbate can be calculated involving the common ion effect.
The common ion effect can be expressed as when more than one compound containing the same ions are dissolved in water, the compound having lower dissociation constant, dissociate to an even lower extent. This is known as common ion effect. describes an ion’s effect on the solubility equilibrium of a substance. If a soluble compound consisting of a common ion is added, it can decrease the concentration of that ion within the solution. this can result in a change in the equilibrium point of the solution. An aqueous solution contains 0.135 m ascorbic acid (h2c6h6o6) and 0.192 m perchloric acid. through the common ion effect we can calculate the ion concentration of the solution.
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How much NaNO3 can dissolve at 70°C in 100g of water?
Answers
An orange is weighed and its mass is 200 grams.
Then, the peeling is removed, and both the peeling and orange are weighed. What is the total mass of the orange and peeling after the orange has been peeled?
Answers
Answer:
200 grams
Explanation:
If the exact same amount is placed on the scale the weight won't change due to the law of conservation of matter.
After the orange has been peeled, the total mass of the orange and peeling will still be 200 grams.
Mass is a physical property of matter which measures the amount of substance in an object. It is measured in grams (g) or kilograms (kg).
According to the law of conservation of mass, when the orange is weighed with the peeling on, the mass of the peeling is included in the measurement.
However, when the orange is peeled, and both the peeling and orange are weighed the mass of the orange and peeling will remain same as 200 grams.
Therefore, the total mass of the orange and peeling after the orange has been peeled is 200 grams.
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Describe two ways the material in this lesson illustrates the importance of creativity in scientific investigation
Answers
Answer:
Dalton used creativity to modify Proust's experiment and interpret the results. Millikan used creativity to develop a way to measure the charge on an electron. Thomson used creativity to interpret the results of the cathode ray tube experiment.
Explanation:
Creativity enables scientists to devise new ways of solving old problems.
I do not know what your material contains, however, creativity is key in scientific investigation. The term "science" is coined from the Latin word "scientia" which means knowledge.
In science, we endeavor to create new knowledge through research and innovation. This requires that a scientist must think of new and efficient ways of solving old problems. This underscores the centrality of creativity in scientific investigation.
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Qualitative analysis is a method used to identify chemical compounds in a mixture based on their reactivity. What types of reactions would provide a useful method of identifying an unknown aqueous salt?
Answers
Precipitation Reactions, Acid-Base Reactions, Redox Reactions, and Complexation Reactions provide a useful method of identifying an unknown aqueous salt.
When it comes to identifying an unknown aqueous salt, several types of reactions can be useful in the qualitative analysis process.
Precipitation Reactions: Adding specific reagents to an aqueous solution of the unknown salt can trigger the formation of insoluble precipitates. The characteristics of the precipitate, such as color, texture, and solubility, can provide valuable information about the identity of the salt. Acid-Base Reactions: Reacting the unknown salt with acids or bases can help identify the nature of its anions or cations. For instance, the addition of hydrochloric acid (HCl) to the unknown salt solution can lead to the liberation of carbon dioxide gas, indicating the presence of carbonate ions (CO32-).Redox Reactions: Redox reactions involve the transfer of electrons between reactants. By subjecting the unknown salt to suitable oxidizing or reducing agents, the behavior of the ions present in the salt can be observed. For example, the reaction of the unknown salt with potassium permanganate (KMnO4) can result in a color change, indicating the presence of reducing agents such as sulfite ions (SO32-).Complexation Reactions: Some metal ions can form complex compounds with specific ligands. By introducing ligands like ammonia (NH3) or sodium hydroxide (NaOH) to the unknown salt solution, the formation of colored complexes can help identify the metal ion present.know more about Acid-Base Reactions here:
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3Ba(C2H3O2)2 + 2K3PO4 ⟶ Ba3(PO4)2 + 6KC2H3O2
If 4.36 mol of potassium phosphate react, how many grams of barium phosphate are produced?
Answers
Hello Mistyann!
First you need to know amount of barium phosphate is
Half of potassium phosphate, also 2.18 mol.
Molar mass of Barium phosphate is 3·137.2 + 2·(30.97+4·16) g/mol
You can calculate it yourself dear.
Now mass is amount of substance · molar mass.
It has been an honour to teach you, dear,
God bless!
Question 6 (3 points)
(02.06 LC)
An atom has atomic number 11 and mass number 23. How many electrons does the atom have? (3 points)
(a) 23
(b) 22
(c) 12
(d) 11
Answers
Answer:
c) 12
Explanation:
electron = 23-11 = 12
Answer:
D- 11
Explanation:
I know cause thats what the test said. Not sure how to do this stuff we will never use thats why im on brainly.
What type of reaction occurs without the addition of heat?
A. An endothermic reaction
B. A reaction at equilibrium
C. A nonspontaneous reaction
D. A spontaneous reaction
Answers
The type of reaction that occurs without the addition of heat is called spontaneous reaction. That is option D.
What is spontaneous reaction?Spontaneous reaction is defined as the reaction where by new substances are formed naturally without the addition of extra energy in the form of heat.
Therefore, the type of reaction that occurs without the addition of heat is called spontaneous reaction
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