. the chemical score for the quality of the protein in lima beans compared to egg based on the above values is

Answer:

Fossils

Explanation:

Ancient plants and animal formed into rocks called fossils.

A fossil can be defined as the mineral impression or remains of living organisms such as plants and animals that are prehistoric in nature.

A geologic column can be defined as a collection of rock layers that are typically grouped based on their relative ages in a descending order i.e from oldest to the youngest.

Generally, the layers of the rock that are found in various parts of the world are known to be different because they all comprises of distinct Earth's geological history (fossils).

Three uses of metals are

Metal is any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light.

Three uses of metals​ are as follows:

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Answer:

C1V1=C2V2

C1 is 2.0mol/l

V1=?

C2=.4mol/L

V2=100ml or for this 0.1L

V1 is 20ml

Best way to prepare this is to measure out 20ml of the 2 molar solution and add 80mL to it to get to 100mL

Explanation:

The freezing point if water is reduced when salt (NaCl) is added to it.

A freezing point is defined as the particular temperature where by a liquid such as water becomes a solid when other conditions are being kept constant.

A freezing point can also be defined as the temperature of a liquid at which it changes its state from liquid to solid at atmospheric pressure.

Some of the factors that affects freezing point of water is the presence of impurities such as salt and change in pressure of the medium.

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To determine the percent yield, we need to first calculate the theoretical yield of the reaction using stoichiometry, and then divide the actual yield by the theoretical yield and multiply by 100%. The percent yield of the reaction is approximately 84.9%.

Percent yield is a measure of the efficiency of a chemical reaction, calculated by dividing the actual yield of a reaction by the theoretical yield and multiplying by 100%. It represents the percentage of the theoretical amount of product that was actually obtained in a reaction.

The balanced chemical equation is:

2Al + Cr₂O₃ → Al₂O₃ + 2Cr

The molar mass of Cr₂O₃ is 152 g/mol, the molar mass of Al is 27 g/mol, and the molar mass of Cr is 52 g/mol.

We need to determine which reactant is limiting, so we can calculate the theoretical yield based on the amount of limiting reactant. We can do this by calculating the number of moles of each reactant using their molar masses and dividing by their stoichiometric coefficients in the balanced equation:

moles of Cr₂O₃= 44.1 g / 152 g/mol = 0.29 mol

moles of Al = 35.0 g / 27 g/mol = 1.30 mol

From the balanced equation, we see that 1 mole of Cr2O3 reacts with 2 moles of Cr. Therefore, the theoretical yield of Cr is:

moles of Cr produced = 0.29 mol Cr₂O₃x (2 mol Cr / 1 mol Cr₂O₃) = 0.58 mol Cr

mass of Cr produced = 0.58 mol Cr x 52 g/mol = 30.16 g Cr

The percent yield is:

% yield = (actual yield / theoretical yield) x 100%

% yield = (25.6 g Cr / 30.16 g Cr) x 100% = 84.9%

Therefore, the percent yield of the reaction is approximately 84.9%.

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The Al₂O₃ crystal structure (corundum) consists of an HCP arrangement of O²⁻ ions; the Al³⁺ ions occupy octahedral positions. the fraction of the available octahedral positions are filled with Al³⁻ ions is 2/3.

let the number of sphere in HCP packing = n

the no. of octahedral voids = n

The no. of tetrahedral voids = 2n

in the Al₂O₃ crystal structure of HCP arrangement of   O²⁻ ions are

no. of the spheres = 6

number of O²⁻ ions = 6

the no. of octahedral voids = 6

The no. of tetrahedral voids = 2n = 12

aluminum ions when 6 O²⁻ ions = (2/3) 6= 4

number of voids in Al³⁺ ions = 4

fraction of the available octahedral positions = 4/6 = 2/3

Thus, The Al₂O₃ crystal structure (corundum) consists of an HCP arrangement of O²⁻ ions; the Al³⁺ ions occupy octahedral positions. the fraction of the available octahedral positions are filled with Al³⁺ ions is 2/3.

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Answer:

C)peer review

Explanation:

Peer review involves the evaluation of scientific research work by other professionals working in the same field. It is one of the stages a manuscript passes through before it is published in any reputable journal.

Peer review is important because it ensures that only high quality and original scientific research is published for the consumption of other professionals in the same field.

Answer:

c. protons

Explanation:

A "proton" is a subatomic particle that is stable and is positively-charged. You will identify the number of protons that is present in the nucleus of a chemical element by its "atomic number." It gives us an identity of the element, therefore, every atom of the same element have the "same" number of protons. For example, the number of protons for "Hydrogen" is 1. This means that even if you have two atoms of Hydrogen, each of them has "1" as the number of proton.

The protons (H+) in the blood can be absorbed by bicarbonate ions (HCO3-). By expelling carbon dioxide from the lungs, the extra protons can subsequently be removed and the pH balance of the blood can be managed.

This process controls the pH of the blood. The subsequent response is as follows:

Protons (H+), carbon dioxide (CO2), carbonic acid (H2CO3), bicarbonate (HCO3-), and water (H2O) are all related.

When blood's bicarbonate ions and too many protons interact, carbonic acid is produced. This reaction drives the process backward, resulting in the production of water and carbon dioxide. By expelling carbon dioxide from the lungs, the extra protons can subsequently be removed and the pH balance of the blood can be managed.

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Answer:

the kittens received half of their DNA from the mother cat

Answer:

C) the kittens received half of their genetic information from the mother cat

Explanation:

1. there was another answer

2. I took the test and I got 100% by choosing this answer

Have a good day!! :DD

Chlorine has a lower electron affinity than bromine because it has a smaller nuclear charge and a larger atomic radius. This makes it less able to attract electrons to itself, whereas bromine has a larger nuclear charge and a smaller atomic radius, making it more effective at attracting electrons towards itself. Hence, the electron affinity of bromine is more negative than that of chlorine.

The electron affinity is defined as the energy required for an isolated gaseous atom to gain an electron to form a negative ion. Both chlorine and bromine are halogens, and they are located in the same group of the periodic table, meaning they have the same number of valence electrons. Nonetheless, bromine has a more negative electron affinity than chlorine, implying that it is more effective at attracting electrons towards itself than chlorine.Let's look at the explanations of why chlorine or bromine has a more negative electron affinity:The electron affinity of an atom increases as it becomes more difficult to add an electron to it, i.e., when the atom's atomic radius decreases. Bromine's atomic radius is greater than chlorine's, making it more difficult for bromine to attract electrons to itself. Despite this, bromine has a more negative electron affinity than chlorine, indicating that its nucleus has a greater hold over the added electrons.Chlorine has a lower electron affinity than bromine because it has a smaller nuclear charge and a larger atomic radius. This makes it less able to attract electrons to itself, whereas bromine has a larger nuclear charge and a smaller atomic radius, making it more effective at attracting electrons towards itself. Hence, the electron affinity of bromine is more negative than that of chlorine.

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Answer:

HOPE THIS HELPS

Helium and Hydrogen

Explanation:

Hydrogen and helium: they are by far the most abundant elements found in the Sun, making up about 98 percent of its mass, but other, heavier elements play an important role in the physical processes that occur in the Sun.

The concentration of acid when the vat is one-fourth full is 3%.

What is an acid?

The concentration of acid when the vat is one-fourth full can be expressed as a proportion of acid to the total volume of solution in the vat.

At the start, the vat contains 30 liters of a 5% acid solution. This means that 0.05 * 30 = 1.5 liters of acid is present.

As the solution is pumped out at 4 liters per second, and pure acid is pumped in at 3 liters per second, the total amount of acid in the vat is increasing at a rate of 3 liters per second.

At one-fourth full, the vat will contain 10 liters of solution (one-fourth of the original 40 liter volume).

To calculate the concentration of acid at this point, we need to calculate the total amount of acid present. Since the rate of increase of acid is 3 liters per second, after 10 seconds, the amount of acid present will be 3 * 10 = 30 liters.

Therefore, the concentration of acid when the vat is one-fourth full is 30/10 = 3%.

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Answer:

\(X:{ \tt{ \green{green \: particle \:» \: }electron}} \\ Y:{ \tt{ \blue{blue \: particle \:» \: }proton}} \\ Z:{ \tt{ \red{red \: particle \:» \: }neutron}}\)

Answer:

0.351 gms

Explanation:

How many grams of NaCl are found in 67.0 mL of a 0.10 M solution?

in 1000 ml there are 0.10 molesi

in 100 ml, there are 0.01 moles

in 67 ml, there are(67/100) X 0.010 moles = 0.0067 mole

1 mole of NaC weighs 23+35.5=58.5 gms

0.0067 moles weighs 58.5 X  = 0.351 gms

Answer:

The tissues decompose at a slower rate at lower temperatures.

Explanation:

This is my best guess but I think answer is tissue decompose slower rate at low temperature. This is why we in medicine we store specimens at very low temperature so we can do research on it at a later time but they eventually go bad. Low temperature slow down enzymes and proteins thus breakdown is slower rate.

The type of radiation most likely used in a smoke detector is alpha radiation.

Alpha radiation is used in smoke detectors because it can be easily stopped by small smoke particles. Americium-241, a radioactive element, emits alpha particles which ionize the air, creating a small electric current. When smoke enters the detector, it absorbs the alpha particles, disrupting the current and triggering the alarm.

Alpha radiation is ideal for this application as it has a low penetration power, meaning even small particulates like smoke can stop its travel, ensuring the detector's sensitivity to smoke. Additionally, alpha radiation poses a minimal risk to human health when contained properly within the device.

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Answer:

Below

Explanation:

Heterozygous mean a dominant and a recessive gene.

S (dominant) = short needles

s (reccessive) = long needles

Parent 2 S s

Parent 1

S

s

S s

S SS Ss

s Ss ss

For an offspring to have long needles, both alleles have to be s ( recessive allele for long needle) or ss . That's only occurs in 1/4 pairing so the probability is 25%

Answer:

Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together.

Explanation:

Atom refers to the smallest constituent unit of a chemical element. Molecules refer to a group of two or more atoms that are held together due to chemical bonds.

Answer: Atoms are single neutral particles while molecules are neutral particles made of two or more atoms bonded together

Adhere to traffic regulations and guidelines throughout the process.

To design a traffic light system for an intersection using Multisim software and calculus, follow these steps. First, define the intersection and determine traffic flow. Next, establish the traffic light phases based on the traffic patterns. Use calculus to calculate the durations of each phase, considering factors like traffic volume and pedestrian crossing times. Create an optimization problem, setting an objective function to minimize delays and congestion.

Solve the optimization problem using calculus techniques and numerical methods. Implement the optimized timings in Multisim to simulate the traffic light system. Evaluate the simulation results, refine the timings if needed, and consider factors such as pedestrian safety and emergency vehicle prioritization. Adhere to traffic regulations and guidelines throughout the process.

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Answer:

f. nanogram

b. microgram

d. milligram

a. centigram

c. kilogram

e. megagram

Explanation:

f. nanogram = 10^-9

b. microgram = 10^-6

d. milligram = 10^-3

a. centigram = 10^-2

c. kilogram = 10^3

e. megagram = 10^6

The order of the units from smallest to largest.

f. nanogram

b. microgram

d. milligram

a. centigram

c. kilogram

SI units are those units that are used to measure different measurements. The SI units mean the Internation system of measurement.

A nanogram is the smallest unit of measurement. It is used to measure a very minuter amount of an object. Its value is 10⁻⁹. After this, there is a microgram, which is sued to measure micro things. Its value is 10⁻₆

Milligram, then centigram, and then there is the kilogram. The kilogram is the largest unit of measurement in the SI unit. These units are used to measure the mass of a substance.

Thus, the correct order is

f. nanogram

b. microgram

d. milligram

a. centigram

c. kilogram

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Answer:

B 16

Explanation:

the atomicnumber =protons of the atom =electrons do keep in mind that they are charged negatief

The mass of potassium in the sample of potassium carbonate is 10.5 g.

Potassium carbonate consists of potassium (K), carbon (C), and oxygen (O). To determine the mass of potassium in the sample, we need to use the molar ratio between potassium and oxygen in potassium carbonate.

The molar mass of potassium carbonate is calculated as follows:

K2CO3 = 2(K) + 1(C) + 3(O) = 138.21 g/mol

From the formula, we can see that there are two potassium atoms for every one molecule of potassium carbonate. Therefore, we need to consider the molar mass of potassium (39.10 g/mol) and the molar mass of potassium carbonate to find the mass of potassium in the sample.

Using the molar ratio between potassium and oxygen, we can set up the following proportion:

(2 mol K / 1 mol K2CO3) = (x g K / 13.9 g O)

Solving for x, the mass of potassium, we get:

x = (2 mol K / 1 mol K2CO3) * (39.10 g K / 2 mol K) * (13.9 g O / 16.00 g O)

x ≈ 10.5 g

Therefore, the mass of potassium in the sample of potassium carbonate is approximately 10.5 grams.

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Option E is Answer. The pH value of the buffer is 9.08

The pH of a solution: It is a measure of hydrogen ion concentration, which in turn is a measure of its own acidity. Pure water dissociates slightly into equal concentrations of hydrogen and hydroxyl (OH−) ions.

The pH is then calculated using the expression:

pH = - log [OH-].-------------(1)

the pH of acidic buffer =pka+log[ acid/salt]

the pH of basic buffer =pkb+log[ base/salt]

Given that Kb=1.8x10^-5

                 base=0.27M

                 salt=0.18M

first, we have to calculate the value of kb,

pkb=−log[1.8×10 ^−5]

pkb=4.74

The pH of buffer=pkb+log[base/salt]-------------(2)

We find out the value of kb and now substitute it in equation(2)

pOH=4.74+log[ 0.27/0.18]

​=4.74−0.176=4.92

pH=14−4.92=9.08

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The phase transition that takes place when the pressure on a pure subsatnce is increased at a constant temperature is liquid to solid.

Raising the pressure increases the melting factor of maximum solids. That's why the melting factor line slopes ahead for maximum substances. Moving from stable to liquid with the aid of using converting the stress: You also can mess around with this with the aid of using searching at what takes place in case you lower the stress on a stable at consistent temperature. At standard conditions as temperature increases, maximum materials extrude from solid to liquid to gas, and at trendy temperature as strain increases, maximum materials change from gas to liquid to solid.

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Use energy-efficient appliances and electronics: Opt for appliances and electronics with high energy efficiency ratings, such as Energy Star-certified products. These devices consume less energy while providing the same functionality.

Unplug electronics when not in use: Many devices continue to draw power even when they are turned off or in standby mode. Unplugging them when not in use, or using power strips with switches, can help reduce standby power consumption.

Switch to energy-saving light bulbs: Replace traditional incandescent light bulbs with energy-saving alternatives like LED or compact fluorescent bulbs. These bulbs consume significantly less energy and have a longer lifespan.

Optimize heating and cooling: Adjust your thermostat settings to save energy. Lowering the temperature in winter and raising it in summer can reduce energy consumption. Additionally, use insulation, weatherstripping, and proper ventilation to minimize heat loss or gain.

Conserve water heating: Lower the temperature setting on your water heater to reduce the energy used for heating water. Additionally, consider taking shorter showers, using efficient showerheads, and insulating hot water pipes to minimize heat loss.

Practice smart energy usage habits: Simple actions like turning off lights when leaving a room, using natural lighting during the day, and avoiding excessive use of air conditioning or heating can help reduce energy consumption.

Utilize renewable energy sources: Consider installing solar panels on your property to generate clean and renewable energy. This can offset your reliance on grid electricity and reduce your overall energy consumption.

It's important to note that these are just a few examples, and there are many more ways to reduce personal energy consumption. It's always beneficial to be mindful of your energy usage and explore additional energy-saving practices that suit your lifestyle and circumstances.

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The mass of the products form when baking soda decomposes is 25.00 grams

We can determine the mass of the products formed by simply observing the law of conservation matter (mass). Details below

The law of conservation of matter states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.

Thus, for every balanced chemical equation, total mass of reactants must equal to the total mass of the product obtained.

With the above information, we can detertmine the mass of the products obtained as follow:

2NaHCO₃ → Na₂CO₃ + H₂O + CO₂

Mass of reactant = Mass of product

Mass of NaHCO₃ = Mass of (Na₂CO₃ + H₂O + CO₂)

25.00 g = 25.00 g

Thus, the mass of the products is 25.00 g

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Answer:

50,000,000 Hz

Explanation:

Rearrange the formula:

wave speed = frequency × wavelength → frequency = wave speed ÷ wavelength

wave speed = 300,000,000m/s

wavelength = 6m

Substitute in the values:

frequency = 300,000,000 ÷ 6

frequency = 50,000,000 Hz

Hope this helps!

Answer:

Answer:

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune