For a food to be labeled low-fat, it must contain ________.
Answers
For a food to be labeled low-fat, it must contain fewer than 3 grams of fat per serving. However, there are specific guidelines for the use of food titrating in the food industry.What does food labeling mean?Food labeling is the process of providing information about the product on the label.
The FDA requires that food labels include nutrient information about the product, ingredient lists, and other relevant information. These labels give consumers insight into what they are eating, the serving size, and nutritional information. When labeling food as low-fat, manufacturers must comply with specific guidelines.What are the guidelines for labeling low-fat food?Low-fat foods should contain less than 3 grams of fat per serving, as per the guidelines for labeling low-fat food. Products with 3 to 7 grams of fat per serving are considered low-fat as well. However, if the serving size is greater than 30 grams or two tablespoons, the label may list the nutritional information of one serving size, as well as that of the entire container. The labels must be easy to read and understandable to the public, indicating the nutritional information per serving and, if applicable, per container, based on the serving size.The manufacturers must comply with these guidelines for labeling low-fat foods to ensure they are properly labeled. The labels help consumers to choose healthier food options. Thus, by choosing low-fat food, one can keep their calorie intake under control and have a healthy diet.
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Related Questions
An industrial synthesis of urea obtains 87.5 kg of urea upon reaction of 68.2 kg of ammonia with excess carbon dioxide. Determine the theoretical yield of urea and percent yield for the reaction.
Answers
Answer:
The theoretical yield of urea = 120.35kg
The percent yield for the reaction = 72.70%
Explanation:
Lets calculate -
The given reaction is -
\(2NH_3(aq)+CO_2\) →\(CH_4N_2O(aq)+H_2O (l)\)
Molar mass of urea \(CH_4N_2O\)= 60g/mole
Moles of \(NH_3\) = \(\frac{62.8kg/mole}{17g/mole}\) (since \(Moles=\frac{mass of substance}{mass of one mole}\))
= 4011.76 moles
Moles of \(CO_2\) = \(\frac{105kg}{44g/mole}\)
= \(\frac{105000g}{44g/mole}\)
= 2386.36 moles
Theoritically , moles of \(NH_3\) required = double the moles of \(CO_2\)
but , \(4011.76<2\times 2386.36\) , the limiting reagent is \(NH_3\)
Theoritical moles of urea obtained = \(\frac{1 mole CH_4N_2O}{2mole NH_3}\times4011.76 mole NH_3\)
= \(2005.88mole CH_4N_2O\)
Mass of 2005.88 mole of \(CH_4N_2O\) =\(2005.88 mole \times\frac{60g CH_4N_2O}{1mole CH_4N_2O}\)
= 120352.8g
\(120352.8g\times \frac{1kg}{1000g}\)
= 120.35kg
Therefore , theroritical yeild of urea = 120.35kg
Now , Percent yeild = \(\frac{87.5kg}{120.35kg}\times100\)
72.70%
Thus , the percent yeild for the reaction is 72.70%
Which statement is true about a liquid but not a gas?
es
A)
It has more internal energy than the solid state.
B)
It will change shape and take the shape of its container.
It allows particle to move past each other relatively easily.
D)
It has close to a constant volume as pressure is applied to it.
Answers
Answer:
I think its D
Explanation:
.........................
Answer:
A
Explanation:
every other answer is true for both gas and liquid
In a particular experiment, the reaction of 1. 0g of S with O2 produced 0. 80 g of SO3. The % yield in this experiment is how much %?
Answers
The actual yield of the product obtained in the experiment must be divided by the theoretical yield of the product that could be achieved. The reaction's percent yield is 32% as a result.
The amount of product produced in a chemical reaction or manufacturing process is referred to as yield, and it is typically expressed in mass or volume. Theoretical yield, actual yield, and percent yield are a few of the several types of yield. Theoretical yield, under the assumption that the reaction continues to completion without any losses or side reactions, is the greatest quantity of product that can be produced from a specific amount of reactants. The amount of product that is actually produced during an experiment or production process is known as the "actual yield." The actual yield to theoretical yield ratio, stated as a percentage, is known as percent yield. The efficiency and profitability of a chemical reaction or manufacturing process are significantly influenced by yield.
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Need help fast please I am timed and giving 47 points.
Four groups of students plan scientific investigations to answer four questions for the science fair.
Questions for Science Fair:
1-What kinds of plant life grow naturally in the town parks?
2-Which types of treats do different breeds of dogs like best?
3-Do different types of grass affect how far a ball rolls?
4-How are the chemicals in different vegetables similar?
Which question would most likely be answered with an experimental investigation?
A-1
B-2
C-2
D-4
Answers
Answer:
C
Explanation:
Answer:
C - 3
Explanation:
This can be actually tested
Definition of a metallic bond. a. The attraction of a metallic cation for delocalized electrons b. The opposition of cations becoming energized electrons c. A mixture of elements becoming one d. Two metals colliding becoming one
Answers
A metallic bond refers to the electrostatic attraction between positively charged metal ions and delocalized electrons in a metal. Option A is correct.
In a metallic bond, the valence electrons of the metal atoms become delocalized and are free to move throughout the metal lattice. The metal cations are held together by the surrounding sea of delocalized electrons.
This results in a strong bond between the metal atoms that gives rise to the characteristic properties of metals, such as high electrical conductivity, high thermal conductivity, and malleability. The metallic bond is a type of chemical bond that is found only in metals and their alloys.
Hence, A. The attraction of a metallic cation for delocalized electrons is the correct option.
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In the esterification experiment you carried out, why did the apparatus have to set up on an angle?
Answers
In the esterification experiment, the apparatus was set up at an angle to ensure proper mixing and efficient heat distribution. This angled setup promotes contact between the reactants and allows the esterification process to occur effectively, leading to the formation of the desired ester product.
In the esterification experiment, the apparatus was set up on an angle to ensure that the reaction mixture could be stirred efficiently. Esterification is a slow reaction, and it requires constant stirring to improve the contact between the reactants and to prevent the formation of a boundary layer around the reaction flask. Setting up the apparatus on an angle allows the reactants to move freely and come into contact with each other more effectively, thus improving the rate of the reaction. Additionally, the angle also helps to prevent any potential backflow of the reaction mixture into the condenser, which could cause contamination or damage to the apparatus.
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What is the ratio of HCO3,- to H2CO3 in an exhausted marathon runner whose blood pH is 7.1?
Answers
The ratio of HCO3,- to H2CO3 in an exhausted marathon runner whose blood pH is 7.1 can be calculated using the Henderson-Hasselbalch equation.
This equation relates the pH, pKa, and the concentrations of the acid and conjugate base. In this case, H2CO3 is the acid and HCO3,- is the conjugate base. The pKa of H2CO3 is 6.1. The Henderson-Hasselbalch equation can be rearranged to solve for the ratio of HCO3,- to H2CO3, which is [HCO3,-]/[H2CO3]=10^(pH-pKa). Plugging in the values, we get [HCO3,-]/[H2CO3]=10^(7.1-6.1)=10. Therefore, the ratio of HCO3,- to H2CO3 in an exhausted marathon runner whose blood pH is 7.1 is 10:1. This indicates that there is a higher concentration of bicarbonate ions in the blood to help buffer the excess hydrogen ions and maintain pH homeostasis.
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Compare the ground-state electron configuration of oxygen and sulfur to that of selenium. What similarities or differences do you observe? How do you think this will affect the relative chemical or physical properties of these elements?
please help i need this as soon as possible thx
Answers
The ground-state electron configurations of oxygen, sulfur, and selenium are 2-8-8, 2-8-6, and 2-8-8-6 respectively. Oxygen and selenium both have 8 electrons in their outermost shell, while sulfur has 6.
This difference affects the chemical and physical properties of these elements, as elements with more electrons in their outermost shells tend to be more reactive due to increased electron availability for bonding.
As oxygen and selenium have the same number of electrons in their outermost shell, they have similar chemical and physical properties. Sulfur, with its fewer outer shell electrons, has different chemical and physical properties than oxygen and selenium.
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. A sample containing 0.450 g of nicotinic acid, a monoprotic acid, required 34.74 mL of 0.1053 M NaOH to titrate the sample to phenolphthalen endpoint. What is the molar mass of the nicotinic acid? 63 Equivalent Mass of an Acid
Answers
The molar mass of the nicotine acid is 23.01 grams, which is calculated by using the number of equivalents.
The number of equivalents can be find out by multiplying the volume to the concentration of the solution.
The number of equivalents of NaOH= Volume * concentration of the solution
= 0.1053 * 34.74 milli eq
= 3.658 milli eq
3.658 milli eq = (0.450/MW)*1
1 is used since the acid is monoprotic acid.
The molecular weight can be calculated further,
M.W = 0.450/3.658*10^-3
M.W = 123.01 grams
Therefore, the molar mass of the nicotine acid is 23.01 grams.
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The charge of a Strontium atom that has 10 electrons is ...
Answers
Answer:
The charge of a Strontium atom that has 10 electrons is 4.48 × 10⁻¹⁸ C
Explanation:
The atomic number of Strontium is 38
The electronic configuration of Strontium is given as follows;
1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s²
The atomic number of Strontium is 38 electrons in orbit and 38 protons in its nucleus and is electronically neutral
38e⁻ + 38e⁺ = 0
When there are only 10 electrons in an atom of Strontium, we have;
10e⁻ + 38e⁺ = +28e
The charge of a Strontium atom that has 10 electrons is +28e
+28e = 28×1.6×10⁻¹⁹ C = 4.48 × 10⁻¹⁸ C
The charge of a Strontium atom that has 10 electrons is +28e or 4.48 × 10⁻¹⁸ C.
Aluminum is often used in the structure of light-weight bicycle frames. How many
atoms of aluminum are in 20.00 g of Al?
Answers
Answer:
The first thing that you need to do here is to figure out the mass of the sample.
To do that, you can use its volume and the fact that aluminium is said to have a density of
2.702 g cm
−
3
, which implies that every
1 cm
3
of aluminium has a mass of
2.702 g
.
Explanation:
A student views four models showing magnified views of the phases of matter.
What question will best help the student determine which model is plasma?
A
Which model is composed of rapidly moving particles?
B.
Which model is composed of particles vibrating in place?
C
Which model is composed of electrically charged particles?
Which model is composed of particles sliding past each other?
Answers
Answer:
C Which model is composed of electrically charged particles?
Explanation:
The best question to resolve and determine the model which is plasma is to find one that is composed of electrically charged particles.
Plasma is one of the states of matter which is characterized by ions and other charged particles.
Matter is anything that has weight and occupies space.
There are four known states of matter which are:
Solid Liquid GasPlasmaPlasma is the only state of matter made up of charged particles.
Which subatomic particle helps identify an elements identify
Answers
Answer:
Protons
Explanation:
Protons are the subatomic particle that determines the identity of an element.
Answer:
Protons
Explanation:Protons are the subatomic particle that determines the identity of an element.
perform the following operation and express the answer in scientific notation 5.7365 x 10^-5 / 3.4891 x 10^-8
Answers
The e answer in scientific notation 5.7365 x\(10^{-5}\)/ 3.4891 x \(10^{-8}\) is 1.64 x \(10^{3}\) .
Calculation ,
5.7365 x \(10^{-5}\) / 3.4891 x \(10^{-8}\) = 1.64 x \(10^{3}\) = 1644
Below are the five guidelines for scientific notation:
1. The base must always be 10.
2. The exponent must be an integer that is non-zero, meaning it may be positive or negative.
3. The coefficient's absolute value is more than or equal to 1, but it must be less than 10.
4. Both whole and decimal numbers, including positive and negative numbers, can be used as coefficients.
5. The remaining significant digits of the number are carried by the mantissa.
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How to calculate 144g of potassium chloride dissolved in 1dm cube of water at 90 degree celsius. calculate the soluble of potassium chloride at that temperature (potassium=39, chlorine=35.5)
Answers
The solubility of potassium chloride at 90 degrees Celsius is 1.93 M when 144g of KCl is dissolved in 1 dm^3 of water.
To calculate the solubility of potassium chloride (KCl) at 90 degrees Celsius, we need to consider the amount of KCl dissolved in 1 dm^3 (cubic decimeter) of water. Given that we have 144g of KCl, we can convert it to moles by dividing the mass by the molar mass of KCl. The molar mass of KCl is the sum of the atomic masses of potassium (K) and chlorine (Cl), which is 39 + 35.5 = 74.5 g/mol.
Number of moles of KCl = mass / molar mass
Number of moles of KCl = 144g / 74.5 g/mol = 1.93 mol
Now, we know the number of moles of KCl dissolved in 1 dm^3 of water. This is also known as the molarity (M).
Molarity (M) = number of moles / volume in dm^3
Molarity (M) = 1.93 mol / 1 dm^3 = 1.93 M
Therefore, the solubility of potassium chloride at 90 degrees Celsius is 1.93 M when 144g of KCl is dissolved in 1 dm^3 of water.
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Find the volume of 53.5 g of O2 at 30.1°C and 110.0 kPa. Round to the nearest tenth.
Answers
The volume of 53.5 g of O₂ at 30.1°C and 110.0 kPa is 1 m³ approximately
The Charles Law: What is it explained?According to Charles' Law, while pressure is maintained constant, the volume of a given amount of gas varies in direct proportion to the absolute temperature of the gas. The Kelvin scale is used to measure temperature to determine the absolute temperature.
To find the volume of a gas, we can use the Ideal Gas Law:
PV = nRT
where P is the pressure of the gas, V is the volume of the gas, n is the number of moles of gas, R is the universal gas constant, and T is the temperature of the gas in Kelvin.
First, we need to convert the given temperature of 30.1°C to Kelvin:
T = 30.1°C + 273.15 = 303.25 K
Next, we need to determine the number of moles of O₂ present. We can use the molar mass of O₂ to convert from grams to moles:
molar mass of O₂ = 32.00 g/mol
moles of O₂ = 53.5 g / 32.00 g/mol = 1.671875 mol
Now we can rearrange the Ideal Gas Law to solve for V:
V = nRT / P
V = 1.671875 × 8.3145 × 303.25 /110 k × 1000 Pa / kPa
V = 0.062878 m³
Finally, we round the answer to the nearest tenth: (rounded to one decimal place) V = 1 m³
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The relative age of a rock or fossil tells us: the exact age OR the age compared to other rocks or fossils
Answers
Relative dating determines which of two fossils is older or younger than the other, but not their age in years. Relative dating is based on the positions of fossils in rock layers. Lower layers were laid down earlier, so they are assumed to contain older fossils. ... This gives the fossil an approximate age in years.
how much heat is required to raise the temperature of 98.0 g of water from its melting point to its boiling point?
Answers
The total heat required to raise the temperature of 98.0 g of water from its melting point to its boiling point is 295,963 J.
To raise the temperature of 98.0 g of water from its melting point (0°C) to its boiling point (100°C), we need to calculate the heat required using the specific heat capacity and the enthalpy of fusion and vaporization of water.
First, we need to calculate the heat required to melt the ice at 0°C, which is 98.0 g x 334 J/g = 32,732 J.
Next, we need to calculate the heat required to raise the temperature of the water from 0°C to 100°C, which is 98.0 g x 4.184 J/g°C x 100°C = 41,151 J.
Finally, we need to calculate the heat required to vaporize the water at 100°C, which is 98.0 g x 2,260 J/g = 221,080 J.
Adding all the values together, the total heat required to raise the temperature of 98.0 g of water from its melting point to its boiling point is 295,963 J.
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what are the three parts of nucleotide
Answers
Answer:
The three parts of the nucleotide building block of DNA are the sugar, the base and the phosphate.
Explanation:
Hope that helps!
Answer:
three parts of the nucleotide building block of DNA are the sugar, the base and the phosphate.
Sort the resources into the correct category based on whether they are renewable or nonrenewable.
wnd
power
Renewable Resources
Nonrenewable Resources
steel
apple trees
hydroelectric powwer
coal and oil
gemstones
Answers
-wind
-renewable resources
-apple trees
-Hydroelectric power
Non - Renewable:
-non renewable Resources
-steel
-coal and oil
-gemstones
Wind power and hydroelectric power are renewable resources whereas, steel, gemstones, apple tress coal and oil etc. are non- renewable sources. Hence, they cannot be regenerated when exhausted.
What are renewable sources ?Renewable sources are resources that can used for longer period or eternal. They can be regenerated and reused even after consumption of the existing amount. Wind power, solar power, hydroelectric power etc. are renewable sources and they are nature genuine.
Non- renewable sources are those which cannot be regenerated once they are exhausted. For example, petroleum, coal, oil, diesel etc. are non-renewable because, once they completed from the earth, they cannot be regenerated or excavated.
Non-renewable sources are creating pollution by the production of toxic hydrocarbon gases as well. Gemstones are non renewable because, once they consumed, they cannot be generated.
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What does this represent about the type of change
happening in the container?
Theresa creates an experiment where she mixes two
red-colored substances together in a container and
observes the solution slowly changing from red to blue
for the next eight minutes. The solution becomes
completely blue after eight minutes.
O A chemical change started immediately and finished
at eight minutes.
O A non-chemical change started immediately and
finished at eight minutes.
O A chemical change occurred at four minutes.
O A non-chemical change occurred at four minutes.
Answers
Answer:
A
Explanation:
A chemical change started immediately and finished at eight minutes
Answer:
The answer is
A.) A chemical change started immediately and finished
at eight minutes.
Explanation:
which hazard term best describes a strong mineral (inorganic) acid?
Answers
The skin sensitivity best describes a strong mineral (inorganic) acid. An acid that is generated from one or more inorganic substances is known as an inorganic acid, sometimes known as a mineral acid.
When dissolved in water, all inorganic acids produce hydrogen ions as well as conjugate base ions. The inorganic acids sulfuric acid (H2SO4), hydrochloric acid (HCl), and nitric acid are frequently utilized (HNO3). Use at a minimum the normal lab attire—closed-toe shoes, long pants, a lab coat, safety glasses with side shields or splash goggles, gloves—at all times when working with acids. A laboratory fire could happen because many of the solvents and compounds used in organic chemistry labs are highly combustible. If a fire does start, take a step back and then alert the lab instructor and anybody else working nearby right away.
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How do the particles move in a solid?
Answers
Answer:
gas vibrate and move freely at high speeds. liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.
Explanation:
what conversion factor is needed to calculate the number of atoms in 8.6 moles of Aluminum?
A. 1 mole/ 6.02x10^23 atmos
B. 6.02X10^23 atoms/ 1 mole
C. 1 mole/ 26.98zg
D. 26.982g/ 1 mole
Answers
Answer:hey did you ever get an answer? I need it for this exam
Explanation:
explain the laws of universal graviation?
Answers
Answer:
Newton's law of universal gravitation is usually stated as that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
Heeeeeellllppp, Iiiimmm sssooo stttuuuccckkk!
Answers
Answer:
I think it would be D. None of the above
Explanation:
why I think this is because none of the answers really adds up to it
1)Describe pure sand and pure salt. Use a hand lens if available to get more detail. Type a description. a)sand b)salt 2)Investigate the dissolving properties of pure sand and pure salt. Which one will be caught in the filter paper if each substance was mixed with water and then filtered? Filter both separately if you are not sure. Devise a plan to get pure sand and pure salt in different piles from a 1 gram sample of the mixture. Include in your plan:
Answers
Answer:
See explanation
Explanation:
A salt is made up of homogeneous particles while sand is made up of heterogeneous particles. Salt is a crystalline substance while sand is a coarse substance.
If salt and sand are mixed with water, salt forms a solution with water, hence, salt cannot be caught on filter paper. However, sand does not form any chemical specie with water hence it is caught on the filter paper as a solid.
L-DOPA was used to treat which of the following "sleepy sickness" diseases in the 1970's, as showcased in the novel and film "Awakenings"? Your answer O a. Alzheimer's Ob.Encephalitis Lethargica OC. Goiter O d. Senioritis
Answers
L-DOPA was used to treat Encephalitis Lethargica, as depicted in the novel and film "Awakenings" in the 1970s.Option (b)
L-DOPA (levodopa) was indeed used to treat the patients suffering from Encephalitis Lethargica, commonly known as "sleepy sickness." This disease was characterized by symptoms such as excessive sleepiness, reduced movement, and sometimes a prolonged motionless state.
The novel and subsequent film "Awakenings" by Oliver Sacks depicted the use of L-DOPA in the 1970s to awaken and temporarily improve the condition of patients who had been in a catatonic state for decades due to Encephalitis Lethargica.
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How many grams of LiBr are needed to make 1.5 L of a 3.0 M solution?
Answers
Answer: 391 g
Explanation:
For this problem, we need to know that molarity is. Molarity is moles of solute/liters of solution. it is also denoted as M=n/V, which is also mol/L. We are given that the molarity is 3.0 M and the liter is 1.5 L. All we have to do is plug in 3.0 and 1.5 into our formula and solve for moles.
\(3.0M=\frac{n}{1.5L}\)
\(n=4.5 mols\)
Now that we have moles, we can convert moles to grms by using the molar mass of LiBr.
\(4.5 mols*\frac{86.844 g}{1 mol} =391g\)
what is the stoichiometry for the cobalt (iil) glycinate complex? explain the thinking behind having the conoentration of glycinate be more than 4 times greater than the concentration of cobalt ion
Answers
Glycinate donates an electron pair so it is a bidentate ligand.
The molecular formula is C₂H₄NO₂⁻. The octahedral complex is formed between glycinate molecules and cobalt(III) and the stoichiometry of the complex is [Co(gly)₃]. The reaction is as follows;
Co₃⁺(aq) + 3C₂H₄NO₂⁻ ⇒ [Co(C₂H₄NO₂⁻](aq)
A cobalt complex is formed when 3 glycinate ions equivalents react with one Co₃⁺ ion equivalent so, it is necessary to keep the glycinate ions concentration greater than the cobalt(III) ions at least three times more.
So, taking the concentration 4 times greater can facilitate the reaction.
For a complex whose concentration is 0.015M, 0.06M glycinate ions are required to obtain the desired cobalt(III) glycinate complex.
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