when you go from left to right more protons are added to the atom. why would that make it get smaller when more particles are added

The statement which best describes the most likely effect of the mismatch on future birds is that there could be a shift to later reproduction in the birds and is therefore denoted as option C.

This is referred to as the process in which an offspring is produced from their parent or cells and involves the fusion of gametes.

In the effect of mismatch on future birds, there will be a reduction in the birds getting a mate which therefore shift to later reproduction and is therefore the reason why option C was chosen as the correct choice.

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The statement that describes the most likely effect of the mismatch on future birds is that there could be a shift to later reproduction in the

birds.

So option C is correct.

Reproduction is described as the biological process by which new individual organisms offspring are produced from their "parent" or parents.

If there is mismatch on future birds, one of the many effects is that there could be a shift to later reproduction in the birds which the consequences of such mistiming in reproduction are reduced reproductive output.

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Explanation:

through the process of electrolysis.

electricity (loose electrons under "pressure") is sent through water allowing the oxygen atoms to bind enough electrons to become independent O2 molecules and detach from water molecules, hence "freeing" themselves as oxygen gas. which in turn also creates free H2 molecules and therefore hydrogen gas.

the free oxygen collects at the positive electrode, the free hydrogen at the negative electrode.

an additional option is to collect the free oxygen that is simply mixed into the water and allows fish to "breathe" (the gills do NOT break oxygen out of the H2O molecules but use the mixed-in free O2 oxygen between the H2O molecules).

that is the reason why a fish tank needs the constant air stream bubbling through the water (or we would have to constantly stir the water in the tank rigorously), and why truly still water bodies "die" (any originally mixed-in oxygen leaves over time, literally suffocating any oxygen-needing lifeforms in those bodies of water).

to capture this, cool the water down to about 4° C (about 39° F), at which point water has its greatest density (below that water expands again preparing for the larger volume needed by the crystalline grid of water ice). that pushes/squeezes a lot of the mixed-in elements incl. free oxygen out of the water.

but that is very little compared to an electrolysis result.

You weighed out 0.50 g of zinc chloride salt instead of the 0.32 g required for the experiment.  it will not affect the empirical formula obtained.

The empirical formula is calculated by the number of moles of substances.  if we increase the number of mass of zinc chloride it will increase the number of moles of zinc and the chlorine. that would divide the number of moles to obtain the ratio. so, by increasing the weight of zinc chloride there will be no effect in the empirical formula . they will remain in same proportion.

Thus, You weighed out .50 g of zinc chloride salt instead of the .32 g required for the experiment.  it will not affect the empirical formula obtained.

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4.87g of would be prepared 250mL of 0.150M solutions of COCl2 form solid COCl2 and distilled water.

Solution and solvent:

A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. Note that the solvent is the substance that is present in the greatest amount. Many different kinds of solutions exist. For example, a solute can be a gas, a liquid, or a solid.

Let us consider that the solution is dissolved in the solvent.

Here the solution is cobalt(II) chloride and the solvent is distilled water.

The volume of solute is generally ignored, so we would dissolve

250ml . L / 10³ml. 0.150 M . 129.9g/ mol ≈ 4.87g

Therefore 4.87g of cobalt(II) chloride was in approximately 250mL distilled water to create the solution.

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The phrase "axial tilt" is essential to understanding why the season change , the words or phrases from the article provided context clues to the meaning of the phrase " axial tilt" is orbits and 23.5 degree offset.

The axial tilt also called as obliquity. The axial tilt is the angle between the objects rotational axis and its orbital axis  , perpendicular to the orbital plane. The axial tilt is about 23.5 degree. due to this the sun shines on different latitudes with different angle.

Thus, The phrase "axial tilt" is essential to understanding why the season change , the words or phrases from the article provided context clues to the meaning of the phrase " axial tilt" is orbits and 23.5 degree offset.

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Answer:

A: 2 and 4

Explanation:

ttt

The correct option are option C,E that is bonds between a sulfur atom and two hydrogen atoms were broken.  Zinc atom formed a bond with one sulfur atom.

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

In the give reaction, bonds between a sulfur atom and two hydrogen atoms were broken. zinc atom formed a bond with one sulfur atom.

Therefore, the correct option are option C,E.

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One of the regulating services provided by the ecosystem is pollination. Option B.

Ecosystem services are natural processes that are maintained by the ecosystem but which benefit man and mankind.

There are different types of services offered by the ecosystem and that benefit man immensely. These are:

The ecosystem plays a regulatory role in the pollination of plants for the benefit of mankind. Wind helps to carry pollens from the anther to the stigma of flowers. By doing so, fruits, vegetables, seeds, etc, become available for the use of man.

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Solute is the substance in a solution that has been dissolved. So option 4 is correct.

A homogeneous mixture of two or more substances, a solute is a substance dissolved in another substance known as a solvent. The concentration of a solute in solution is a measure of how well that solute is dissolved in a solvent, in terms of how much of that solvent, such as a salt, is present. The properties of solutes are:

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The class of Lewis structures known as resonance structures depicts the movement of bonds and lone pairs through various configurations. Resonating structures are produced by the complete transfer of electrons during delocalization from one atom to the following atom. We can infer from this that the distribution of charges is distributed evenly across the molecule, rather than being concentrated at a single location. The electrons are not concentrated around the sigma bond, as shown by resonance structures. The entire molecule now has a high electron charge density. The preferred representation of the molecule is displayed by the resonance structures. The collection of structures suggests that the pi bond's electrons are distributed evenly throughout the molecule and are not concentrated at any one point. Following the octet rule, resonating structures indicate that the atom

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The diluted hydrochloric acid solution had a concentration of 0.3M

what is dilution?

Dilution is the application of a solvent that reduces the concentration of the solute with in solution. Concentration is the elimination of solvent, which raises the concentration of the solute in the solution.

The hydrochloric acid chemical formula is HCL,

if 1 liter of the HCL has 12mol, then 4.90ml or 0.0049 L of solution has 0.058 moles,

When the acid solution was diluted , we will get 175ml or 0.175 L  

so as we dilute the solution we will have the change in the concentration and that is calculated

0.058/0.175=0.3314

=0.3M

So the concentration of the solution that is diluted was found to be 0.3M

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The predicted electron geometry is a trigonal planar geometry.

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Answer:

there are used to where large volumes are needed to be transferred and coloured graduated marks make it easier to measure the volumes. the disadvantage isthat they are not so precise and there are greater changes of human error

The molarity of iodine solution is containing 25.00 ml of 0.0002487 m ascorbic acid is 0.0002028 M.

We calculate this using ,

Let molarity and volume of ascorbic acid be M₁ and V₁

M₁ = 0.0002487 m

V₁ = 25.00 ml

Molarity of iodine be M₂ .

As , ascorbic acid + I₂ → 2I⁻ + dehydroascorbic acid

By molarity equation,

M₁ V₁ = M₂ V₂

where M₂ is Molarity of iodine and V₂ is volume if iodine.

M₂ = 0.0002487 / 25 ÷ 30.65

M₂ = 0.0002028 M

Therefore, 0.0002028 M is the molarity of the iodine.

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Structures produced by the catalytic reduction of the given compound, in which H₂ is in excess are attached as a picture.

Upon the catalytic reduction of the given compound 1-ethylcyclohexa-1,4-diene (missing in question) by using excess hydrogen, two compounds (1R,2S)-1-ethyl-2-methylcyclohexane and (1S,2R)-1-ethyl-2-methylcyclohexane results. One compound has R,S configuration and the other has S,R configuration. By using the CIP rules priorities are given to the groups attached to the chiral carbon. CIP rules are based on the atomic masses of the groups attached so the minimum number is given to the group having the highest atomic mass. As it is a mixture of two enantiomers so we can call it a recemic mixture.

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The charge for an ion of an element that has an outer electron configuration of ns2np3 is -3.

To be in a stable state, electrons try to make a noble gas configuration. The noble gas configuration is ns2 or ns2np6. So electrons try to gain or lose electrons to become ions. Ions have a charge according to the number of electrons captured (negative charge) or released (positive charge). The charge for an ion with the electron configuration

Ions with a negative charge are anions while ions with a positive charge are cations.

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In an ecosystem, the effect of the chemical industry  which is a positive one is advancements in medicine.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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The mechanism and product for the given reaction after adding acid and water in the second step will result in the production of phenylpropanol.

The missing reaction scheme of the question is attached as a picture:

As a result of the reaction between benzaldehyde with diethyl ether (Et2O) and MgBr an intermediate results. This intermediate then reacts with hydronium to produce phenylpropanol. The hydronium ion generates as a reaction between the water molecule and a strong acid. Acid donates its proton to the water molecule. This hydronium ion then donates this proton to the resulting intermediate. The complete mechanism is attached:

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It is critical to insert the gas syringe immediately after adding the yeast solution to the sugar in the Erlenmeyer flask so that the gas syringe must capture all the gas generated from each sugar in the first minute if the results for all the sugars are to be compared.

An Erlenmeyer flask which is also known as a conical flask or a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck.

The most common type of Erlenmeyer Flask is merely the flat- bottomed, used widely in laboratories.

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Answer:

C. .25 g/cm^3

Explanation:

density = mass ÷ volume

25÷100

0.25

Answer:

So the answer to the question “What is the mass concentration of hydrogen chloride in 2.0-molar hydrochloric acid?” is 73 grams per liter.

Among the above given element pairs none of them are likely to form ionic compounds

Ionic bonds are basically the electrostatic attractions formed between oppositely charged ions in an ionic compound. Generally ionic bonds are often formed when electrons are transferred from metal atom to a non metal atom.

We can say that ionic bond is most likely formed between  metal and nonmetal elements .

In the above given electron pairs none of the pairs given are likely to form ionic compounds as none of the pair is of a metal and a nonmetal. An element can be classified  as a metal if its found on the left side of the periodic table while non metals are located on the right of the periodic table.

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Answer:

1) endothermic reaction - melting of ice to water

2) exothermic reactions - burning of candles

Explanation:

Endothermic reaction:

endothermic reactions are chemical reactions that absorb heat from the environment.

In this case, when ice is melting to turn into water it absorbs heat from its surroundings and melts.

Exothermic reaction:

exothermic reactions are chemical reactions that release heat as a form of energy when a reaction takes place.

In the case of burning a candle, the heat is released into the environment.

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These protons, neutrons and electrons are the three fundamental particles of atoms

What is atom ?

The atom is the smallest unit of matter that may be divided without releasing electrically charged particles. It is also the lowest unit of matter that has chemical element features. As a result, the atom is the fundamental building block of chemistry.

Examine various electron configurations in electron shells surrounding an atom's nucleus.

The majority of the atom is empty space. The rest of the structure is made up of a positively charged nucleus of protons and neutrons surrounded by a cloud of negatively charged electrons. In comparison to electrons, the lightest charged particles in nature, the nucleus is small and dense.

The mass of an electron is approximately 9.109382911 1028 gramme. A proton or neutron has a mass that is approximately 1,836 times greater. This explains why the mass of an atom is governed mostly by the mass of its protons and neutrons in its nucleus.

Mass of protons, m

p =1.67×10 −27 kg

Mass of electrons, m

e =9.11×10 −31 kg

∴ m e

​mp≈1836

The proton to electron mass ratio is represented by μ or β. It is a dimensionless quantity.

μ= m e

​

mp≈1836

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Answer:

False for the first, true for second.

Explanation:

ATP is cellular energy and it needs to be recharged after it is used. That half dead is called adp.

The statement energy is released from ATP when it reacts with water to produce ADP is False, while the statement the information that cells need to direct their metabolic process is stored in RNA is True.

ATP is the energy source of cells generated by cellular respiration and anaerobic processes, while  RNA is a molecule obtain by the transcription process which is used to generate proteins during metabolic activities such as differentiation.

Therefore, with this data, we can see that ATP is the energy coin of cells, while cells generate RNA during transcription.

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The quantity of glycine present in analyte as measured by titration is 3mmol.

This titration calculation can be done using dimensional analysis. All values should first be converted to scientific notation: 60 mL NaOH is equal to 6 x 10-2 L NaOH. 1 x 10-1 mol NaOH/L NaOH is equal to 0.1 M NaOH. For every mole of glycine present in the analyte, 2 moles of NaOH have been supplied at the second equivalence point. This is due to the fact that one OH- was necessary to scavenge the COOH group, and a second OH- was required to scavenge the amine. To take this into consideration, we must adjust our computation. Finally: (6 x 10-2 L NaOH) x (10-1 mol NaOH / L NaOH) x (1 mol glycine / 2 mol NaOH) = 3 x 10-3 mol = 3.0 mmol glycine.

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Answer:

22.4 liters

Explanation:

1 Mole of gas occupies 22.4 Litres of volume at STP.

Given, the mass of CO=14 g

Molar mass of CO=12+16=28 g

No. of moles of CO=

28

14

​

=0.5 Moles

So, CO occupies 0.5×22.4=11.2 L at STP.

The number of moles of argon gas contained in a 4.00 l container at 1620. kpa and 25.0 °C. if the gas is helium instead of argon, the number mole did not change because number of moles is independent of the type of gas.

given that :

volume of gas = 4.00 L

pressure of gas = 1620 kpa = 15.9 atm

temperature = 273 + 25 = 298 K

R is gas constant = 0.082 L atm K / mol

according to ideal gas equation :

P V = nRT

n = P V / RT

  =  (15.9 × 4 ) / 0.082 × 298

  = 63.6 / 24.4

   = 2.6 mol

it is clear from the above equation the moles is independent of type of gas.

Thus, The number of moles of argon gas contained in a 4.00 l container at 1620. kpa and 25.0 °C. if the gas is helium instead of argon, the number mole did not change because number of moles is independent of the type of gas.

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The plates which borders the great philippine plate are the:

It follows that all the plates which have the sea Philippines plates bordered have one thing in common. They are all defined by means of convergent boundaries. In order words, the Pacific, Sunda and Eurasia plates border the philippine plate are produced by different plates which are converging towards each other in several directions.

In conclusion, we can now know that one of the major plates which borders the sea philippines plate is the Pacific plates.

Complete question:

Which plates borders the philippine plate?

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The option A is correct , Firstly electrical energy is converted into mechanical energy via chemical energy.

The force generated by an engine powered by electricity is what propels an electric vehicle forward. These automobiles feature an original and useful design in addition to being environmentally friendly.

What is the operation of electric cars is that the electrical energy is supplied to the engine, which uses electromagnetic interactions to convert it into mechanical energy.

Energy transformations is the process of a type of energy form transforming into a new form of energy

When they enter a magnetic field, the conductive material inside them moves, and the electric current then passes through it.

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The volume of a 2.0 m solution of NaOH needed to prepare 494.4 ml of a 0.15 m solution of NaOH is 37.08 ml.

Dilution is defined as the process in which the concentration of a sample is decreased by adding more solvent. The dilution formula is given below.

C₁V₁ = C₂V₂

where C₁ = initial concentration of sample = 2.0 m

V₁ = initial volume of sample

C₂ = final concentration after dilution = 0.15 m

V₂ = total final volume after dilution = 494.4 ml

Plug in the values to the formula and solve for the volume of the solution needed.

V₁ = C₂V₂/C₁

V₁ = (0.15 m)(494.4 ml)/(2.0 m)

V₁ = 37.08 ml

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