In the lab, the dominant phenotype for sheep color is wool and the recessive phenotype for sheep color is wool

Answer:

180 N + 180 N = 360N

Explanation:

since they are all force of different side, you will add them.

The group 17 elements need only one more electron to complete a full octet since they already possess seven valence electrons. whereas group 16 elements needs 2 more electrons that why group 17 more reactive than Group 16

Because they easily acquire an electron to complete their outermost shell, halogens were highly reactive. Since they easily shed the solitary electron in their outermost shell, alkali metals were very reactive.

Since they easily acquire an electron to complete their outermost shell, halogens were highly reactive. Although they easily lose the lone electron within their outermost shell, alkali metals were highly reactive.

Group 17 elements occur only require one electron, therefore they can easily borrow an electron from another element to achieve a stable configuration for a noble gas. They were hence very reactive as well as will rapidly receive an electron to complete their outermost shell.

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The student made a mistake because he did not convert a unit of volume from milliliters to liters. After all, molarity is defined as the number of moles of solute per liter of solution.

Answer: C=0.406M.C=0.406M.

Electron micrographs aided Davson-Danielli in determining the membrane structure since they assumed the phospholipids were in between the proteins, resulting in the sandwich model.

An picture acquired by hitting the object with a tightly focused (10 nm diameter) electron beam and measuring the transmitted, secondary, backscattered, and diffracted electrons, as well as the distinctive X-rays released. The method of electron microscopy (EM) is used to acquire high-resolution pictures of biological and non-biological material. In biomedical research, it is utilized to explore the precise structure of tissues, cells, organelles, and macromolecular complexes. Modern electron microscopes generate electron micrographs by capturing pictures with sophisticated digital cameras and frame grabbers.

Here,

Davson-Danielli was assisted in establishing the membrane structure by electron micrographs since they thought the phospholipids were in between the proteins, resulting in the sandwich model.

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Answer:

Wind, Rain and Snow

Consequently, winds are stronger at higher elevations. Colder temperatures at higher elevations also create precipitation, because cold air can't hold as much moisture as warm air. Moisture condenses out of the air as snow and ice, and it falls back to the ground.

The factors that affect the weather and climate are latitude, altitude, wind, and distance from the sea.

Climate can be described as the long-term weather pattern in an area, averaged over 30 years. Climate is the mean as well as the variability of meteorological variables over months to millions of years.

Some of the meteorological variables that are used to measure are temperature, atmospheric pressure, humidity, wind, and precipitation. The climate can be defined as the state of the components of the climate system, including the atmosphere, cryosphere, lithosphere, and biosphere, and the interactions between them.

The climate is affected by its latitude, terrain, altitude, land use, and water bodies and their currents. Climates can be classified based on the average and typical variables, most temperature, and precipitation.  It is used in studying of the biological diversity and how climate change affects it.

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According to the given statement The pH of the resulting solution is 13.03.

To calculate the pH of the resulting solution, we need to know the concentration of the thiamine hydrochloride ions in the solution.

The Ka value of thiamine hydrochloride is 5.3 x 10^-27. Since thiamine hydrochloride is a weak acid, it dissociates in water according to the following equation:

HC12-H17ON4SCl2 (s) <-> H+ (aq) + C12-H17ON4SCl2- (aq)

The product of the acid and the base concentrations is equal to the acid dissociation constant (Ka)

H+(aq) * C12-H17ON4SCl2- (aq) = Ka

Molarity (M) = moles of solute/liters of solution

3.0 x 10^-25 g of thiamine hydrochloride is dissolved in 1.00 L of water. The molar mass of thiamine hydrochloride is 337.29 g/mol. So we can calculate the number of moles of thiamine hydrochloride in the solution.

moles = mass / molar mass

moles = 3.0 x 10^-25 / 337.29 = 8.94 x 10^-28

Molarity = moles / liters = 8.94 x 10^-28 / 1 = 8.94 x 10^-28 M

Now we can substitute the concentration of thiamine hydrochloride into the equation for the acid dissociation constant.

Ka = [H+] * [C12-H17ON4SCl2-]

Ka = (x)(x) = 8.94 x 10^-28

We know the Ka value and we know the concentration of thiamine hydrochloride ions. So we can use the Ka value and the thiamine hydrochloride concentration to calculate the concentration of H+ ions in the solution.

x^2 = 8.94 x 10^-28

x = √(8.94 x 10^-28)

x = 9.4 x 10^-14

[H+] = x = 9.4 x 10^-14 M

The pH of the solution is calculated by taking the negative log of the H+ concentration:

pH = -log(9.4 x 10^-14)

pH = 13.03

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The name of an isotope that has 14 protons and 14 neutrons is Silicon-28

The total number of protons and neutrons in an isotope's nucleus is referred to as the mass number. This is due to the fact that each proton and neutron has a mass of one atomic mass unit.

We may get the mass of the atom by multiplying the total number of protons and neutrons by 1 amu.

The atomic number Z is 14 if there are 14 protons. Z being the quantity of large positively charged nuclear particles by definition.

Silicon is what we have if Z is the atom's identity and Z=14. The isotope of the element is 28S because the element may contain more or fewer neutrons than Z, where neutrons are heavy, neutrally charged nuclear particles.

Silicon-28 is the isotope with 14 protons and 14 neutrons.

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Answer:275.4 g Al2O3

Explanation: The mass of Al2O3 formed is 2.7 mol * 102 g/mol = 275.4 g. This is because the molar mass of Al2O3 is 102 g/mol. This means that when 1 mol of Al2O3 is formed, it has a mass of 102 g. Therefore, when 2.7 mol of Al2O3 is formed, it has a mass of 2.7 mol * 102 g/mol = 275.4 g.

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Answer:

Explanation:

chlorine

Chlorine must lose 7 electrons to attain the electronic configuration of Neon and this state is precarious in the case of chlorine which is an electronegative element

Answer:

the answer is peer review!

Explanation:

We can use the distance when the meter stick fell before you caught it to figure out your reaction time.  

Meterstick is either a straightedge or foldable ruler which is used to measure a  length, and is especially common in the construction industry. They are often made up of wood or plastic, and often have metal or plastic joints so that they can be folded together. Metersticks are usually divided with lines for each millimeter (1000 per meter) and numerical markings as per centimeter (100 per meter), with the numbers or either in centi- or millimeter.

Formula is the basis: d = 1/2 gt2. In this formula, “d” is equals to the distance the object fell, “g” equals to gravitational acceleration (9.8 m/s2), and “t” is the time the object was falling.

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Answer: in order, cellular respiration, carbon dioxide, agricultural, methane, digestion, volcanic activity, eruption

Explanation:

its hard to explain why these things are thing you will have to memorize at first and then as you get later into science, you will learn about chlorophyll and mitochondria, and all sorts of fun things!

Answer:

radiowaves obeyed mathematical questions of the atom

Explanation:

From coursehero

Radiowaves seemed to abide by the mathematical equations of the atom. That is why the scientists thought they could explain the atom.

The electromagnetic spectrum's longest wavelengths are those of radio waves. They might be as big as our globe or as long as a football. In the late 1880s, Heinrich Hertz provided conclusive evidence of radio waves. He employed two spark gaps: one on a receiving antenna and one on an induction coil.

Sparks would cross its gap as well as waves carried by the coil transmitter's sparks were picked up by the receiving antenna. In his investigations, Hertz demonstrated that these signals had all the characteristics of electromagnetic waves.

You may listen to your preferred music by tuning a radio to a certain wavelength, or frequency. These electromagnetic radio waves are "received" by the radio, which then transforms them into audible sound waves by causing mechanical vibrations in the speaker.

Therefore, because the radiowaves could abide by the mathematical nature of the atom, they were thought to explain the structure of the atom.

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Answer:

calcium (ca)

Explanation:

The correct answer is option C: Low temperature only, because entropy decreases during freezing.

When a substance changes from a gas to a solid, the entropy (measure of disorder) of the system decreases. This is because the solid has a more ordered structure than the gas. The decrease in entropy is accompanied by a decrease in temperature and an increase in enthalpy (heat content).For a process to be spontaneous, the entropy change must be positive, so the freezing of methane is spontaneous only if the temperature of the surroundings is lower than the temperature of the methane. Thus, the heat released from the exothermic process will be absorbed by the surroundings, the temperature of the methane will decrease, and the entropy of the system increases, driving the process towards completion.

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The complete question is :

Methane freezing is an exothermic process. Which of the following best describes the temperature conditions that are most likely to cause this spontaneous change? Because entropy increases during freezing, any temperature. Because entropy decreases during freezing, any temperature. Only at low temperatures because entropy decreases during freezing. Only at high temperatures, as entropy

My answers are by the way they are written p-phy c-che

Answer:

The formula for selenic acid is H2SeO4.

Explanation:

Selenic acid is an oxoacid of selenium, which means that it contains selenium and oxygen atoms bonded together in a compound that also contains hydrogen atoms. The selenate ion, which has the formula SeO42-, is an ion that contains selenium and oxygen atoms bonded together. Based on these facts, we can predict that the formula for selenic acid will contain selenium, oxygen, and hydrogen atoms.

To determine the specific ratio of atoms in the formula for selenic acid, we can look at the valences of the elements involved. The valence of an element is the number of bonds it can form with other atoms. Selenium has a valence of 6, oxygen has a valence of 2, and hydrogen has a valence of 1.

Since selenium has a valence of 6, it can bond with 6 oxygen atoms. This means that selenic acid will contain at least one selenium atom bonded to 6 oxygen atoms. In addition, selenic acid will contain hydrogen atoms, which can bond with oxygen atoms. Based on these considerations, we can predict that the formula for selenic acid will be H2SeO4, which contains one selenium atom bonded to 6 oxygen atoms and 2 hydrogen atoms.

To solve this we must be knowing each and every concept related to atom and its discoveries. Therefore, electron was discovered by J.J Thomson.

Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron. Electron was discovered by J.J Thomson.

Therefore, electron was discovered by J.J Thomson.

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The specific heat capacity of the substance, given that the subtance changes temperature from 35.0 °C to 65.0 °C when it absorb 15000 J of energy is 50 J/gºC

We'll begin by obtaining the change in the temperature of the substance.etails below:

ΔT = T₂ - T₁

ΔT = 65 - 35

ΔT = 30 °C

Finally, we shall determine the specific heat capacity of the substance. Details below:

Q = MCΔT

15000 = 10 × C × 30

15000 = 300 × C

Divide both sides by 300

C = 15000 / 300

C = 50 J/gºC

Thus, the specific heat capacity of the substance is 50 J/gºC

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The quantity of electrons inside the valence (outermost) shells as well as the electron configurations among elements belonging to the identical group are identical. They display comparable chemical characteristics.

Noble gases were low chemically reactive, odourless, colourless, nonflammable, as well as monotonic gases. Noble gases are exceedingly stable as well as uncommon to form chemical connections since they have minimal inclination to receive or lose electrons, thanks to the complete valence electron shells of such atoms.

These gases don't receive, lose, or share electrons, making them inert as well as unreactive. They are often referred to as noble gases due to their rarity inside the atmosphere of the earth.

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Energy transfer from one region of the atmosphere to another is critical in meteorology because it affects the weather.

What is Meteorology?

Meteorology is the science of studying the atmosphere and its phenomena such as weather, climate, and air pollution. It is a branch of the atmospheric sciences and studies the physical processes that make up the atmosphere and how the atmosphere affects the Earth and its inhabitants.

The amount of heat needed to be supplied to the parcel is given by the equation:

Q = nRT∆V

Where n is the number of moles of air, R is the ideal gas constant, T is the temperature in Kelvin and ∆V is the change in volume.

Therefore, the amount of heat needed to be supplied to the parcel is given by:

Q = (1.00 mol)(8.314 J/molK)(300 K)(30.0 dm3 - 22.0 dm3)

Q = 4, 573.2 J.

This is important because it demonstrates the amount of energy that must be supplied in order to keep the parcel of air at a constant temperature as it expands. Without this energy, the temperature of the parcel would decrease as it expands, resulting in a change in its weather patterns.

Hence, the amount of heat needed is: Q = 4, 573.2 J.

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No, because  every M&M's is identical.

M&M's contain the same amount of protons, M&M's are the same hue. In other words, the size represents the various neutron counts.

Atoms of the same chemical element called isotopes each have a distinct mass number.

While isotopes can vary in mass, they never do so in atomic number (the amount of protons). You will use M&Ms to represent atoms because we are unable to see them. These objectives are use in M&Ms to determine the average atomic mass and to observe how different isotopes are.

In this the number show how many M&M's of that color and size are packed into that bags.

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At 298 K and 1 atm, bromine is a liquid with high vapor pressure, while chlorine is a gas. This proves that the intermolecular forces of bromine are greater than those of chlorine under these conditions.

At a temperature of 298 K and a pressure of 1 atm, bromine is in a liquid state due to the strong attraction between Br-Br molecules.

At the same temperature and pressure, chlorine exists in the gaseous state due to covalent bonds, while bromine has non-polar covalent bonds.

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Answer:

The original solution’s concentration was 3.09 M.

Explanation:

Dilution is the reduction of the concentration of a chemical substance in a solution, and consists simply of adding solvent to an existing solution.

The quantity or mass of the solute is not changed but only that of the solvent. That is, as only solvent is being added, the consequence is that by not increasing the amount of solute but if the amount of solvent, the concentration of the solute decreases.

A dilution is expressed as:

Cinitial*Vinitial = Cfinal*Vfinal

In this case:

Replacing:

Cinitial*8.4 L = 0.65 M*40 L

Solving:

[tex]Cinitial=\frac{0.65 M*40 L}{8.4 L}[/tex]

Cinitial= 3.09 M

The original solution’s concentration was 3.09 M.

Elements 'X', 'Y' and 'Z' have these atomic radii, in nanometers. X 0.072 nm Y 0.099 nm Z 0.111 nm. When atomic radii are correctly arranged,  the elements appears as z , y and then x across the period.

The atomic radii decreases across the period as we move from the left to right in the periodic table. the atomic radii will decreases as we move from the left to the right in the periodic table because in the period from the left to right the number of the electron will increases.

Thus, the order of the given elements arranged in the period in the periodic table as first z , then y and then x.

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If the actual yield and percent yield are 51.4g and 77.0%, respectively, calculate the theoretical yield. We predicted a theoretical yield of 13 grams for the reaction of Na with Cl2.

Yield is determined by dividing the principal amount by the net realized return. Gains and returns on stock investments, for instance, can take one of two kinds. On the basis of the chemical equation's stoichiometry, theoretical yield is computed. Experimental data are used to determine the real yield. Calculating the ratio of actual yield to theoretical yield yields the percent yield. The % ratio of the theoretical yield to the actual yield is known as the percent yield. It is calculated as the theoretical yield multiplied by 100% divided by the experimental yield.

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Different substances have different properties because of the differences in their atomic and molecular structure, bonding types, and strength of their chemical bonds. These differences can be due to the number of atoms, the arrangement of atoms, and the types of electrons involved in the bonding.

The properties of elements and compounds are determined by the types and arrangements of the atoms that make up the substance. For example, water (H2O) and hydrogen peroxide (H2O2) have different properties due to their different molecular structures. Water is made up of two hydrogen atoms and one oxygen atom, while hydrogen peroxide is made up of two hydrogen atoms and two oxygen atoms. may have different characteristics. The strength of chemical bonds between atoms or molecules can be affected by the number and type of electrons involved in the bond. Because of this, some substances are more stable than others and have higher melting and boiling points.

In addition, some properties are also affected by the physical state of the material, such as solubility, density, and conductivity. These properties are determined by the strength of the intermolecular forces between the particles of the substance.

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Answer: Beta Decay is the kind of radioactive decay that has the net effect of changing a neutron into a proton.

Explanation:

The opposite path, in which a neutron becomes a proton, is also possible. Exactly what happens is that a weak force changes the flavor of the card from top to bottom and vice versa. When this happens, the quark emits a W boson, which quickly decays into either an electron/antineutrino pair or a positron/neutrino pair, depending on the direction of change (neutron decays to protons, electron/antineutrino pairs are created).

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