The data table below shows the yield of vegetables in a school's garden for three years. The yield is the number of pounds of vegetables harvested. The same number of each type of vegetable was planted every year

The de Broglie wavelength of the bullet traveling at 1649 miles per hour is  1.3 x 10^34 m.

The  wavelength that is associated with an object in relation to its quantum and mass is known as de Broglie wavelength.

The particles de Broglie wavelength is inversely proportional to its force.

de Broglie wavelength is expressed as : ^ = h/mv

Where ^ is wavelength, h is plank constant, m is mass and v is velocity.

1 miles = 1.60934 km

So  1649 miles = 2653.8 km

Then 2653.8 x 1000/ 60x60 = 737.2 ms -1.

The momentum  of bullet is p = mv = 0.00693kg x 737.2 ms-1

                                                          = 5.109 kg/ms

Now, de Broglie wavelength = h/p = 6.63 x 10^-34 / 5.109 kg/ms

                                                           =  1.3 x 10^34 m

Thus, de Broglie wavelength of the bullet traveling at 1649 miles per hour is  1.3 x 10^34 m.

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The concentration of the urine is determined as 1.002 g/ml.

The concentration of a chemical substance expresses the amount of a substance present in a mixture.

The concentration of the urine is determined from the ratio of mass to volume of the urine or density of the urine.

Urine Concentration = mass / volume

Urine concentration = 4 .007 g / 4 ml

Urine concentration = 1.002 g/ml

Thus, the concentration of the urine is determined as 1.002 g/ml.

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The complete question is below:

determine the concentration of the urine.

The number of moles in each sample will be 0.391 moles, 30.7 moles, 0.456 moles, and 1350 moles

The number of moles of a substance is the ratio of the mass of the substance to the molar mass.

In other words; mole = mass/molar mass.

Thus:

                                   = 0.391 moles

                                         = 30.7 moles

                                          = 0.456 moles

                                                 = 1350 moles

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If the engines in both airplanes are at the same weight, the engines in both airplanes would still have the same mass because mass is constant everywhere.

Mass can be experimentally defined as a measure of the body's inertia, meaning the resistance to acceleration (change of velocity) when a net force is applied.

In the question, the same type of engine is placed in two different air-planes of which the first airplane is twice as heavy as the second.

We can then conclude that the  correct statement about the mass of the airplane and its acceleration, assuming a constant net force is that Increasing the acceleration of the air-plane causes the engine to provide more force.

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Forest Food web consists of the producers, main consumers, secondary consumers, scavengers, and decomposers. Food web is the collection of the large number of food chains.

Numerous food chains make up a food web. As animals seek food, a food chain only follows one way. As an example, a hawk consumes a snake following the consumption of a frog, a grasshopper, and grass. A food web illustrates the numerous relationships between plants and animals.

1. Primary consumers

2. Secondary consumers

3. Tertiary consumers

4. Decomposers or phytoremediators

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Answer:

check explanation

Explanation:

Sodium Iodide=NaI

Potassium perchlorate=KClO4

Calcium nitrate= Ca(NO3)2

Copper (ii) sulfate=CuSO4

Answer:

An Igneous rock turns into a Sedimentary rock after going through two processes.

Explanation:

An igneous rock is crushed into little shards of rock called sediment, the sediment is then packed together by other rocks or strong forces, that form together to make a Sedimentary rock.

You can see the image for your explanation.

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Igneous rocks are broken down into sediments which are then compressed by forces of water, wind to form sedimentary rocks.

They are the types of rocks which are formed as a result of accumulation of minerals or organic particles at the surface of the earth.Sedimentation is the name given to a collective process which cause the particles to settle.

The study of sedimentary rocks is useful in civil engineering and as important sources of coal, fossil fuels and ores.The color of sedimentary rock is often determined by iron content and sometimes due to the presence of organic matter.

They are classified based on origin in to 4 types which are clastic, biochemical ,chemical and other sedimentary rocks.While based on composition they are classified as siliciclastic,carbonate ,evaporite,organic rich,siliceous ,iron-rich and phosphatic sedimentary rocks.

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The correct answer for  volume would the krypton occupy are 29.8 mL , 5375 mL , 6.5 * 10^ 5 mL .

We can solve this problem by using Boyle's Law, which states that:

"For a fixed mass of an ideal gas kept at constant temperature, the pressure

of the gas is inversely proportional to its volume"

Mathematically:

pV = const. where

p is the pressure of the gas

V is its volume

We can rewrite the formula as

PiVi = P2V2

For the gas in this problem:

P=0.400atm is the initial pressure

Vi 75.0mL is the initial volume

765mm Hg 1.006am is the final pressure (using the conversion factor

1atm = 760atm )

Solving for V2, we find the final volume:

V 2 =p1vi/ p2 =(0.400) (75.0)/ 1.006 = 29.8mL

We can solve this part by using again the equation:

Where in this case we have:

p 1= 0.400at is the initial pressure

V_{1} = 75mL is the initial volume

p_{2} = 4, nm*H_{0} is the final pressure

Converting into atmospheres,

p_{2} = 4 Hg 7mm/d -0.00536m

And solving for V2, we find the final volume:

V_{2} = (p_{1}*V_{1})/p_{2} = ((0.4)(75))/0.0056 = 5357mL

e)

As before, we use Boyles' Law:

p{1}*V{1} = p{2}*V{2}

In this part we have:

p{1} = 0.4atm is the initial pressure of the gas

V{1} = 75mL is the initial volume of the gas

p{2} = 3.5 * 10 ^ - 2   torr

1 torr is equivalent to 1 mmHg, so the conversion factor is the same as before.

therefore the final pressure in atmospheres is:

p2=3.50 *10^-2 2mm Hg 760mmHg/atm 4.6-10-atm

And so, the final volume of the krypton gas is:

V{2} = (p{1}V{1})/p{2} = ((0.4)(75))/(4.6 * 10 ^ - 5) = 6.5 * 10 ^ 5 * mL.

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Moon geological research is based on observations made using telescopes on Earth, measurements made by spacecraft in orbit, lunar samples, and geophysical data.

Oxygen (O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminum (Al), manganese (Mn), and titanium are among the substances known to exist on the lunar surface (Ti). The most plentiful ones include silicon, iron, and oxygen. The estimated oxygen concentration is 45%. (by weight). Due to solar wind deposition, carbon (C) and nitrogen (N) seem to be present only in very small amounts.

Impact craters, associated ejecta, a few volcanoes, hills, lava flows, and depressions filled with magma are the main features of the lunar surface.

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The volume of the metal block is 201 [tex]cm^3[/tex]

The volume of an object is the multiplication of all the sides of the object.

The average volume, on the other hand, is the multiplication of the average sides of objects.

In this case, the object has length, width, and height.

Average length = 6.51 cm

Average width = 4.34 cm

Average height = 7.17 cm

Volume of the metal block = 6.51 x 4.34 x 7.13

                                            = 201 [tex]cm^3[/tex]

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Answer:

A

Explanation:

A rise in temperature means that there is more thermal energy which will be used in the reaction by the sugar/sucrose, that is why solubility increases with temperature increase

Answer: The solubility of a solid increases as the temperature increases.

Explanation: THE ANSWER!! okay everbody

Advertisements on the internet, television, and radio try to get you to buy something by making a claim or statement. These claims will often sound scientific and it makes the claim as factual, and fictional as well as an exaggeration.

Advertising must be truthful and must not deceive consumers. If important details are omitted or the assertion implies something untrue, it may be misleading. For instance, if substantial and hidden fees are payable upon lease signing, a leasing advertisement for an automobile that advertises "$0 Down" may be deceptive.

Additionally, statements must be supported, particularly when they relate to performance, safety, or health. Depending on the product, the claims, and what experts deem necessary, the type of evidence may vary. Following is the list of sources to show the inference of the product advertised,

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Explanation:

try this option (all the details are in the attachment).

The oxidation number of the cobalt is +2 while the oxidation number of iron is +3.

According to the crystal filed theory, the ligands serve as point charges and when they are introduced to the symmetrical octahedral crystal field, the field splits and the there is a barry center with electrons that are above and below the barry center depending on their energy.

Hence, we can see that cobalt II ion is a d7 specie with electron configuration; [tex]1s^2 2s^2 2p^6 3s^2 3p^6 3d^7[/tex]. The iron III ion is a d5 specie having electron configuration[tex]1s^2 2s^2 2p^6 3s^2 3p^6 3d^5[/tex]. The oxidation number of the cobalt is +2 while the oxidation number of iron is +3.

The crystal field diagram of each of the ions is shown in the image attached.

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The majority of elements are found in mixtures of two or more isotopes in nature. Every element's isotope has a set mass and a natural percent abundance. These isotopes' masses in their respective abundances must be reflected in the element's mass.

These are the reasons for different values of weighted average atomic mass.

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Answer:

Explanation:

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Answer:

Molar mass is used to convert mass to moles, or moles to mass. Avogadro's number is used to calculate the number of particles in a given number of moles, or to calculate the number of moles in a given number of particles.

Answer:

b

Explanation:

ason solved this problem by changing 6/4 to 1.2. He then added 1.2 to 0.68 and got 1.88.

This answer is incorrect. What did he do wrong?

Answer:

Calcium tungstate

287.93 g/mol

The heat capacity of the calorimeter is 16.8 J/K.

Now we know that the calorimeter is a device from which there is no heat loss or gain. In this case, the heat lost by the hot water is equal to the heat gained by the calorimeter.

Thus;

cwθ = ccθ

Where;

cc= heat capacity of the calorimeter

cw = heat capacity of water

θ == temperature change

Hence;

4.2  * (37 - 25) = cc (25 - 22)

cc = 4.2  * (37 - 25)/(25 - 22)

cc = 16.8 J/K

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Answer:

243.60 miles

Explanation:

Multiply miles per gallon times number of gallons.  Both starting numbers are given to two decimal places so our answer is as well.

The number of mole of tin (Sn) that you have is 0.058 mole

6.02×10²³ atoms = 1 mole of tin (Sn)

With the above information, we can obtain the number of mole ot tin. Details below

We can obtain the number of mole of tin as follow:

6.02×10²³ atoms = 1 mole of tin (Sn)

Therefore,

3.5×10²² atoms = (3.5×10²² atoms × 1 mole) / 6.02×10²³ atoms

3.5×10²² atoms = 0.058 mole of tin (Sn)

Thus, the number of mole of tin (Sn) you have is 0.058 mole

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Answer:

Yes

Explanation:

these gains towards early childhood development are now seriously threatened

The amount, in mL, of the suspension that should be given to an infant weighing 17 lb will be 1.16 mL

0.8 mL of the liquid contains 80.0 mg of the drug.

The recommended dose is 15 mg per kg of body weight

The infant to be given the drug weighs 17 lb.

First, let's convert the weight of the infant to kg.

1 lb = 453.59 g

17 lb =       453.59 x 17/1

                   = 7711.03 g

1000 g = 1 kg

7711.03 g = 7711.03 x 1/1000

               = 7.711 kg

So, the baby's weight is 7.711 kg.

The drug dose for the baby can thus be calculated as:

15 mg x 7.711 = 115.67 mg

But 0.8 mL of the drug contains only 80.0 mg. How many mL will contain 115.67 mg?

                   0.8 x 115.67/ 80.0 = 1.16 mL

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Answer:

The answer is

Explanation:

by studying the matter and its parts and also discovering the wonders of our earth