WILLL GIVE BRAINLIEST IF YOU ANSWERRR PLEASEEEE IM LITERALLY BEGGING YOU I PUT THIS QUESTION IN SOO MANY TIMES I HAVEN'T GOTTEN AN ANSWER PLEASEEE HELPPP

The scientific principle was surmised by Werner Heisenberg and it is called Heisenberg's uncertainty principle.

In 1927 German scientist Werner Heisenberg propounded the uncertainty principle which states that both the position and momentum of a particle cannot be measured simultaneously with certainty.

That is, the more accurate we measure the position of the particle, the less accurate we would measure its momentum.

Heisenberg's uncertainty principle is stated mathematically as ΔpΔx ≥ h/4π where p is the momentum, x is the position and h is Planck's constant.

So, the scientific principle was surmised by Werner Heisenberg and it is called Heisenberg's uncertainty principle.

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Given what we know, we can confirm that a compound will be a binary compound if it contains both a metal and a non-metal element.

Therefore we can confirm that since a metal will donate its electron to a non-metal element to form covalent bonds, we will know if the compound is binary or not based on the presence of a metal and a non-metal.

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Answer: The bubbles produced are most likely due to oxygen.

Explanation:

Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.

The balanced chemical reaction for photosynthesis is:

Answer: 760 mm

Explanation:

At sea level, a mercury column will rise a distance of 760 mm. At higher altitudes, the atmospheric pressure is decreased and so the column of mercury will not rise as high.

Answer:

the anion of a salt is able to react with a H+ ion to form a weak acid, it can be removed from the solution by adding an acid. For CuBr adding H+ forms HBr and that is a weak acid; therefore, CuBr is more soluble in acid than in water:

Answer:

solid

Explanation:

gold is relatively unreactive and exists as a solid at room temperature

It is found as a solid in gold mines, and in gold nuggets in river beds

Answer:40=6*6(6+5)8x42

Explanation: so yea

Answer:

So, in general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.

Explanation:

Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons.

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Answer:

I believe it's A.

Explanation:

Answer:

option C

Explanation:

There are 2 types of changes

Because only certain size electron orbits are allowable, the frequency and energy of the electron is quantized

According to the Bohr model of the atom, an electron moves from a lower to a higher energy level when it absorbs energy. This energy is released when the electron returns to ground state.

According to the Bohr model, only certain size electron orbits are allowable hence the frequency and energy of the electron is quantized.

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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

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answer:

the reason is to ensure more solute is dissolving as it cools down. it is important to do it slowly because water will be sucked into buchner flask by a partial vaccum through the rubber tubing and be able to arrange molecules.

Answer:

A

Explanation:

Because it is the greatest

Answer:

Answer:

The bottle is labeled pure so it probably is pure.

Explanation:

Answer:

Your answer is D.

Explanation:

Answer:

I would answer D

Explanation:

I might be wrong though

Answer:

Noble gases, atoms which have complete filled outer orbits.

Explanation:

SInce, you have given no options elements like Neon, Helium,etc

Noble elements are the atoms which have stable electronic configuration in the ground state.

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state  and hence are said to be stable.

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Answer:

The major difference between atomic number and mass number is that the atomic number states the number of protons present in an atom whereas, the mass number indicates the total of the number of protons and the number neutrons present in an atom.

Explanation:

Answer:

The number of protons and electrons are equal.

Explanation:

When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral.

Answer:

That would be ATP, hope this helps! :)

Answer:

That would be the necleus! I hope this helps you! :)

SN2 reaction proceeds with inversion of configuration at the reacting carbon atom. The product has a different configuration at this carbon atom from the product.

SN2 reaction is a short form for substitution nucleophilic bimolecular reaction. It is a synchronous reaction in which the leaving group departs at the same time as the nucleophile attacks in a single transition state.

Recall that SN2 reaction proceeds with inversion of configuration hence the product has a different configuration at the reacting carbon atom from the product. The inorganic product in this reaction is HI. The organic product is shown in the image attached to this answer.

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Answer:

Temperature and Pressure

Explanation:

Temperature and pressure cause change in volume.

So any change in volume will alter the ratio of density as given by equation of density.

Density = mass/ volume

Change in volume will alter the ratio.

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The two (2) factors which must be held constant for density to be a constant ratio are:

I. The temperature of a sample or physical substance.

II. The pressure around the sample or physical substance.

Density can be defined as mass all over the volume of of a sample or physical substance.

Basically, density is mass per unit volume of of a sample or physical substance.

Mathematically, the density of a of a sample or physical substance is given by the formula;

[tex]Density = \frac{Mass}{Volume}[/tex]

The density of a sample or physical substance is directly proportional to pressure and inversely proportional to temperature.

This ultimately implies that, an increase in pressure with temperature being constant would cause an increase in density and vice-versa.

Conversely, a decrease in temperature with pressure being constant would cause an increase in density and vice-versa.

In conclusion, a change in volume of a substance is caused by both temperature and pressure.

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Answer:

nature of the core material, strength of the current passing through the core

Explanation:

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Answer:

The required mass to prepare 2.5 L of 1.0 M NaOH solution is 100 g

Explanation:

We do this by preparing the equation:

Mass = concentration (mol/L) x volume (L) x Molar mass

Mass = 1.0 M x 2.5 L x 40 g/mol

Mass = 100 g

Answer:

[tex]100\; \rm g[/tex] of [tex]{\rm NaOH}\; (s)[/tex] would be required.

Explanation:

The quantity of solute in a solution of concentration [tex]c[/tex] and volume [tex]V[/tex] would be [tex]n = c \cdot V[/tex].

It is given that volume [tex]V = 2.5\; \rm L[/tex] for the solution in this question. It is also given that the concentration of the [tex]\rm NaOH[/tex] solute in this solution is [tex]c = 1.0\; \rm M[/tex], which is the equivalent to [tex]c = 1.0\; \rm mol \cdot L^{-1}[/tex].  

Apply the equation [tex]n = c \cdot V[/tex] to find the quantity of [tex]\rm NaOH[/tex] in this solution:

[tex]\begin{aligned}n &= c \cdot V \\ &= 1.0\; \rm mol \cdot L^{-1} \times 2.5\; \rm L \\ &= 2.5\; \rm mol\end{aligned}[/tex].

Multiply the quantity [tex]n[/tex] of [tex]\rm NaOH[/tex] in this solution with the formula mass [tex]M[/tex] of [tex]{\rm NaOH}\![/tex] to find the corresponding mass:

[tex]\begin{aligned}m &= n \cdot M \\ &= 2.5\; \rm mol \times 40\; \rm g \cdot mol^{-1} \\ &= 100\; \rm g\end{aligned}[/tex].

Thus, this solution would contain [tex]100\; \rm g[/tex] of [tex]{\rm NaOH}[/tex].

It would thus take [tex]100\; \rm g[/tex] of [tex]{\rm NaOH}[/tex] to prepare this solution.

The average atomic mass of element X that has two isotopes (one of 45.0 amu mass and 45% abundance and the other of 47.0 amu mass and 55.0% abundance) is 46.1 amu (option 1).  

The average atomic mass (A) of element X can be calculated as follows:

[tex] A = m_{1}\%_{1} + m_{1}\%_{1} [/tex]    (1)

Where:

m₁: is the mass of isotope 1 = 45.0 amu

m₂: is the mass of isotope 2 = 47.0 amu

%₁: is the abundance percent of isotope 1 = 45.0 %

%₂: is the abundance percent of isotope 1 = 55.0 %

Hence, the average atomic mass is (eq 1):

[tex] A = m_{1}\%_{1} + m_{1}\%_{1} = 45.0 amu*45.0\% + 47.0 amu*55.0\% = 45.0 amu*0.45 + 47.0 amu*0.55 = 46.1 amu [/tex]  

Therefore, the average atomic mass of element X is 46.1 amu (option 1).

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I hope it helps you!

Answer:

c

Explanation:

Answer:

Baking soda is sodium bicarbonate, which requires acid and a liquid to become activated and help baked goods rise. Conversely, baking powder includes sodium bicarbonate, as well as an acid. It only needs a liquid to become activated. Substituting one for the other is possible with careful adjustments. Baking soda is strong. In fact, it is about 3-4x stronger than baking powder. More baking soda in a recipe doesn't necessarily mean more lift.

Explanation:

Explanation:

baking soda contains one ingredient, sodium bicarbonate. however, baking powder contains sodium bicarbonate , monocalcium phosphate and either sodium acid prophetess or sodium aluminum sulfate

Answer:

I would assume its the last one "The grass in the prairie provides oxygen, while animals give off carbon dioxide gas."

Explanation:

The question asks how the animals and plants rely on each other

The plants provide oxygen and food for the animals, and the animals provide carbon dioxide to them.

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