help me plEaseeeeee im so confused

Answer:

my food was on the plate

Explanation:

Answer: Pointing his fork at her plate , he spoke sternly. ...

He set his plate on the table and dropped into the chair. ...

I have enough on my plate already. ...

"Well," Bordeaux conceded, sliding his plate away. ...

"I suppose not," he finally said as he spooned mashed potatoes into his plate .

Explanation:

Answer:

Earthquakes and Volcanos?

Explanation:

I'm a little unsure about my answer, however, I do have some insight backing my answer. Earthquakes happen when the plate tectonics shift into each other, causing them to collide. Then for volcanos, the plate tectonics shift from convection current and molten rock from the mantle come to the surface.

Answer:

D 19.8

Explanation:

1kg in household measurement is equal to 35.274 Oz 35.274*9=317.466 Oz

1 KGS is also equal to 2.205 lbs 9*2.205=19.8416

When converted to a household measurement, 9 kilograms are approximately equal to 19.8 pounds. Therefore, option D is correct.

The British imperial and American customary systems of measurement both utilize the pound as a unit of mass. It is stated that a kilogramme (kg) weighs 2.2 times more than a pound (represented as lbs). As a result, 2.26 pounds equal one kilo of mass.

The pound has strong connections with Britishness, yet it also has roots in continental Europe. Its name, Libra Pondo, which translates as "a pound weight," comes from the Latin word Libra, which means weight or balance.

Approximately 0.45359237 kilogrammes make up one pound (kg). The provided pound value is multiplied by 0.45359237 to convert a pound to kilograms. Additionally, a kilogramme is about equivalent to 2.2046226218 pounds.

1kg in household measurement = 35.274 Oz 35.274 * 9

=317.466 Oz

1 KGS = 2.205 lbs 9 * 2.205

= 19.8416

Thus, option D is correct.

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Answer:

-Atoms are neutral; they contain the same number of protons as electrons. By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion.

-An atom has an equal number of protons and electrons. An ion has an imbalance between the number of protons and electrons.

-An atom has no electrical charge. Ions have an electrical charge because they have an imbalance of protons and electrons.

Explanation:

A cheerful teen willing to help,

wishing you a splendiferous day,

stay salty...

Answer:

Radient energy

Explanation:

Radiant energy is the type of energy that travels by waves.

Answer:

Anions. Some atoms have nearly eight electrons in their valence shell and can gain additional valence electrons until they have an octet. When these atoms gain electrons, they acquire a negative charge because they now possess more electrons than protons. Negatively charged ions are called anions.

Answer:d

Explanation:

The octet rule is the understanding that most atoms seek to gain stability in their outer most energy level by filling the s and p orbitals of the highest energy level with eight electrons.

Nitrogen has an electron configuration of 1s²2s²2p³ this means that nitrogen has five valence electrons 2s²2p³ .

Nitrogen seeks out three additional electrons to fill the p orbital and gain the stability of a noble gas, 1s²2s²2p⁶ .

However, now nitrogen has 10 electrons and only 7 protons making it a -3 charge anion

N−³.

Answer:

Manganese

Explanation:

Mn

Given what we know about the relationship between the pressure and temperature of an enclosed gas, two assumptions we can make about the experiment performed by the student is that the volume of the enclosure will remain constant and that the amount of gas between each trial will also remain constant.

When performing an experiment to study the pressure-temperature relationship of a gas, we can always assume that the factors mentioned above will remain constant. In order to measure the data desired by the student, he will have to use the Ideal Gas law formula.

Given that this formula includes:

as variables to be considered in order to make calculations, we must assume that volume and the amount of gas will remain constant. Otherwise, the results will not be accurate as we will not know if these changes affected the pressure or temperature the student has measured.

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Answer:

the volume of the enclosure will remain constant and that the amount of gas between each trial will also remain constant.

Explanation:

Answer:

Ligaments are composed of strong fibrous connective tissue that connects bones. Your ligaments can be tight and may pop when you suddenly move or rotate at an unusual angle. This can cause a jolt of pain, or it may not cause any pain at all.

Explanation:

PA BRAINLIEST

Dios mío, vaya, eso es una locura, no lo sabía, pero gracias por la información. :)

Answer:

W = -10.3 kJ

Explanation:

During combustion, the system performs work and releases heat. Therefore, the change in internal energy is negative, and the change in enthalpy, which is equal to heat at constant pressure, is also negative. Work is then calculated by rearranging the equation for the change in internal energy:

w=ΔE−qp=−5084.3 kJ−(−5074.0 kJ)

The release of heat is much greater than the work performed by the system on its surroundings. The potential energy stored in the bonds of octane explains why considerably large amounts of energy can be lost by the system during combustion.

The work done during the combustion is mathematically given as

w= −10.3kJ

Question Parameter(s):

The change in internal energy for the combustion of 1.0 molmol of

octane at a pressure of 1.0 atmatm is -5084.1 kJkJ .

Generally, the equation for the workdone  is mathematically given as

w=ΔE−qp

w=−5084.3 kJ−(−5074.0 kJ)

w= −10.3kJ

In conclusion, the work done

w= −10.3kJ

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Answer:

Hello! I think it is chemical energy. Nuclear energy can be ruled out and radiant energy is energy transfered using electromagnetic radiation. I hope this helped. Have a great day!

Answer:i think its right because i had this one before

2u+3u+8u=0

C-3

(3CO)

O-19

(3CO)+(8H²O)+(4SO₂)

H-16

(8H₂O)

S-4

4(SO₂)

Answer:

A) Ionic Compound Formula: LiBr

B) Ionic Compound Formula: MgCl2

Ionic Compound Name: Magnesium Chloride

C) Cation: Cu+2

Anion: F-1

Ionic Compound Name: Copper (II) Flouride

D) Cation: Fe+3

Anion: O-2

Ionic Compound Formula: Fe2O3

Explanation:

I hope these answers help. If there is any that's wrong please tell me.

The only group three element in period 3 is aluminium. Therefore, the element is aluminium.

First Ionization energy is defined as the energy required to remove the first electron from the valence shell of an atom. We know that there are n ionization energies for an atom where n = number of electrons in the atom.

If we look at the eight ionization energies listed; 578, 1817, 2745, 11577, 14842, 18379, 23326, and 27465 all in kJ/mol, we will discover that there is a quantum jump between the third and the fourth ionization energy which indicates that the fourth electron is being removed from an inner shell.

The valence shell therefore must contain three electrons. Since the element is in period 3, the only group three element in period 3 is aluminium. Therefore, the element is aluminium.

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Answer:

Explanation:

NUMBER  ELEMENT ELECTRON CONFIGURATION

1                  Hydrogen                1[tex]1s^{1}[/tex]

2                  Helium                        [tex]1s^{2}[/tex]

3                  Lithium                          [Helium] [tex]2s^{1}[/tex]

Answer: Lead (Pb)

Explanation: lead is in the 14th column (group) and 5th row along (period) on the periodic table of elements

Answer:

The melting/ boiling point of selenium is closer to that of sulphur (a non-metal), compared with metals and metalloids. This shows selenium is more likely to be a non-metal, just like sulphur.

Selenium is classified as a metalloid. It has properties of both metals and non-metals, making it difficult to classify as either a metal or a non-metal.

Selenium is generally considered a non-metal, but it has some characteristics of metals as well. It is a semiconductor and an excellent conductor of electricity. Selenium has six valence electrons, which is one less than a typical non-metal, but it is also not a typical metal. Its properties place it in the intermediate category of metalloids.

A type of chemical element known as a metalloid possesses a significant number of properties that fall somewhere in between those of metals and nonmetals or are a combination of them. There is no universal definition of a metalloid, and there is no consensus regarding which elements constitute metalloids.

Metalloids are typically solid at room temperature and are brittle, somewhat shiny substances. Electronic band structures of metalloids are known to be comparable to those of semiconductors or semimetals. Amphoteric or weakly acidic oxides are known to form from metalloids.

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A reduction in the mass of oxygen available to react with the hydrogen,

reduces the heat produced.

Reasons:

The chemical equation for the reaction obtained online is presented as

follows;

[tex]\displaystyle H_2(g) + \frac{1}{2} O_2 (g) \longrightarrow H_2O(g), \ \Delta H^{\circ} = -285.82 \, kJ[/tex]

From the above equation, one mole of H₂ reacts with half [tex]\left(\dfrac{1}{2} \right)[/tex] mole of O₂

to produce 285.82 kJ.

Therefore;

[tex]\displaystyle 55.0 \, kJ \ will \ be \ produced \ by \ \dfrac{55.0}{285.22} \times\dfrac{1}{2} = \frac{1375}{14291} \approx 9.62 \times 10^{-2} \ moles \ of O_2[/tex]

Molar mass of O₂ = 31.999 g/mol

Mass = Number of moles × Molar mass

Mass of oxygen gas, O₂, required, m, is therefore;

m = 9.62 × 10⁻² moles × 31.999 g/mol ≈ 3.08 grams

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The equation in HQ 11.43 as obtained online is presented as follows;

[tex]\displaystyle H_2(g) + \frac{1}{2} O_2 (g) \longrightarrow H_2O(g), \ \Delta H^{\circ} = -285.82 \, kJ[/tex]

Answer:

Wind is the movement of air from an area of low pressure to an area of high pressure. TRUE. As you move upward from Earth's surface, wind speeds increases because the air meets with less friction from Earth's surface.

Answer:

B

Explanation:

B is not true

that is the answer

Answer:

answer  Is B. "A molecule of xylitol contains half as many atoms as a molecule of glucose does."  

Explanation:

Answer:

lithium, beryllium, boron, carbon, oxygen, fluorine and neon

Explanation:

There are eight elements in the second row (lithium to neon) of the periodic table as the second row can has 2 shells and second shell has maximum capacity of 8 electrons.

Periodic table is a tabular arrangement of elements in the form of a table. In the periodic table, elements are arranged according to the modern periodic law which states that the properties of elements are a periodic function of their atomic numbers.

It is called as periodic because properties repeat after regular intervals of atomic numbers . It is a tabular arrangement consisting of seven horizontal rows called periods and eighteen vertical columns called groups.

Elements present in the same group have same number of valence electrons and hence have similar properties while elements present in the same period show gradual variation in properties due to addition of one electron for each successive element in a period.

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Answer: D

Explanation:

The subscript on each element tells us the number of atoms.

Adding up all the numbers directly after C we get 23.

Adding up all the numbers directly after H we get 34.

Adding up all the numbers directly after O we get 2.

Answer:

the printed pattern from a reticle

Explanation:

field, In physics, a region in which each point is affected by a force.