Energy travels in what direction?

Answers

Answer 1

Answer:

Final answer:

Energy spreads from its source in various ways depending on the type of energy. Heat travels through conduction, convection, and radiation, while mechanical energy like sound travels in waves.

Explanation:

In general, energy travels in all directions from its source depending on its type. For instance, heat energy propagates in a pattern called conduction, convection, or radiation. In conduction, it travels through the material in direct contact, like a metal spoon in a hot soup. Convection is the transfer of energy through fluids and gases, like warm air rising. While in radiation, energy moves in all directions in the form of electromagnetic waves, think sunlight or microwave radiation.

In the case of mechanical energy like sound, energy moves in waves outwards from a source, like sounds waves spreading after a drum is struck.

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Answer 2

Answer:

Final answer:

Energy travels in different ways depending on the context, which includes methods like conduction, convection, and radiation. Energy can also be transferred through work and it propagates in the direction of electromagnetic waves. In a star, energy transport is primarily through electromagnetic radiation and can travel in any direction.

Explanation:

Energy travels in different ways depending on the context. It can move through conduction, convection, and radiation. In conduction, energy transfers through molecules colliding with one another. In convection, energy gets transported through the currents of warm material rising towards cooler layers. In radiation, energy is conveyed through the movement of energetic photons from the hot material that gets absorbed by another material.

In addition, energy can be transferred through work, where a force exerted on an object in the direction of the object's motion transfers the energy. This can be seen when lifting a briefcase, where the exerted force does work on the briefcase, transferring energy to it. Furthermore, in the context of electromagnetic radiation, energy also propagates in the direction of the waves, where shorter, tighter waves carry more energy compared to longer, stretched-out waves.

Inside a star, unless convection occurs, the significant mode of energy transport is through electromagnetic radiation. In this case, a photon absorbed while traveling outward in a star might be radiated back toward the center of the star or towards its surface, indicating that energy can travel in any direction.

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–Introduction to elapsed time
Ryan started a race at 7:08 AM and finished it at 7:46 AM.
How long did it take him?

Answers

46-8= 38 minutes
It took him 38 minutes

Write the full ground state electron configuration of f+.

Answers

Answer:- $1s^22s^22p^4$ .

Explanation:- Atomic number for fluorine(F) is 9 and it's electron configuration is $1s^22s^22p^5$ . $F^+$ is formed when F loses one electron from it's valence shell.

$F\rightarrow F^++1e^-$

Second shell is the valence shell for fluorine and so it loses one electron from 2p to form $F^+$ and the electron configuration of the ion becomes $1s^22s^22p^4$ .

Final answer:

The ground state electron configuration of F+ is 1s²2s²2p⁴, which is derived from the neutral Fluorine's configuration 1s²2s²2p⁵ by removing one electron from the outermost 2p orbital.

Explanation:

The question asked for the full ground state electron configuration of F+. The neutral Fluorine atom (F) has 9 electrons. Its electron configuration is: 1s²2s²2p⁵. When Fluorine loses one electron it becomes a positively charged ion (F+), so its electron configuration will be: 1s²2s²2p⁴. This is because the electron is removed from the outermost shell, specifically the 2p orbital. This ground-state electron configuration refers to the most stable arrangement of electrons around the nucleus.

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How is the ocean important to human survival? restate the question

Answers

Answer:

How is the ocean important to human survival? The air we breathe: The ocean produces over half of the world's oxygen and absorbs 50 times more carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the ocean transports heat from the equator to the poles, regulating our climate and weather patterns

Explanation:

Two hypothetical ionic compounds are discovered with the chemical formulas XCl2 and YCl2, where X and Y represent symbols of the imaginary elements. Chemical analysis of the two compounds reveals that 0.25 mol XCl2 has a mass of 100.0 g and 0.50 mol YCl2 has a mass of 125.0 g. (a) What are the molar masses of XCl2 and YCl2

Answers

Answer:

THE MOLAR MASS OF XCL2 IS 400 g/mol

THE MOLAR MASS OF YCL2 IS 250 g/mol.

Explanation:

We calculate the molar mass of XCL2 and YCL2 by bringing to mind the formula for molar mass when mass and amount or number of moles of the substance is given.

Number of moles = mass / molar mass

Molar mass = mass / number of moles.

For XCL2,

mass = 100 g

number of mole = 0.25 mol

So therefore, molar mass = mass / number of moles

Molar mass = 100 g / 0.25 mol

Molar mass = 400 g/mol.

For YCL2,

mass = 125 g

number of mole = 0.50 mol

Molar mass = 125 g / 0.50 mol

Molar mass = 250 g/mol.

So therefore, the molar mass of XCL2 and YCL2 IS 400 g/mol and 250 g/mol respectively.

Final answer:

The molar mass of XCl2 is 400 g/mol and the molar mass of YCl2 is 250 g/mol.

Explanation:

To find the molar masses of XCl2 and YCl2, we can use the relationship between molar mass, moles, and mass. The molar mass is calculated by dividing the mass of a compound by the number of moles.

For XCl2, we have 0.25 mol and 100.0 g. So, the molar mass of XCl2 is 100.0 g / 0.25 mol = 400 g/mol.

For YCl2, we have 0.50 mol and 125.0 g. So, the molar mass of YCl2 is 125.0 g / 0.50 mol = 250 g/mol.

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For your sink at home, the flow rate in is 5000 units/hr. Accumulation is 2500 units. What is the accumulation rate if the out flow is 60 units/min? multiple choicea) 2400 units/hr b) 400 units/hr c)100 units/hr d) 1400 units/hr e) 3400 units/hr

f) other ____________________

Answers

Answer:

Option d) 1400 units/hr

Explanation:

Using law of conservation of mass, you can do a mass balance or volume balance:

Volume in - Volume out = Volume accumulation

If you divide by time unit, you get flow balance:

Volume in / time - Volume out / time = Volume accumulation / time

Flow rate in - Flow rate out = Accumulation rate

Here you have:

Flow rate in = 5000 units/h

Flow rate out = 60 units/min

Convert to rate in units/h: (60 units /min) × (60 min/h) = 3600 units/h

Flow rate out = 3600 units/h

Then:

Accumulation rate = 5000 units/h - 3600 units/h = 1400 units/h

Consider the combination reaction of samarium metal and oxygen gas. If you start with 33.7 moles of samarium metal, how many moles of oxygen gas would be required to react completely with all of the samarium metal? For this reaction, samarium has a +3 oxidation state within the samarium/oxygen compound.

Answers

Answer:

25.275 moles of oxygen gas will be required to completely react with all the samarium metal.

Explanation:

$4Sm+3O_2\rightarrow 2Sm_2O_3$

Number of moles samarium metal = 33.7 moles

According to reaction, 4 moles of samarium reacts with 3 moles of oxygen gas.

Then 33.7 moles of samarium will react with:

$(3)/(4)* 33.7 mol=25.275 mol$ of oxygen gas.

25.275 moles of oxygen gas will be required to completely react with all the samarium metal.

Answer:

Moles of oxygen gas required to react completely with 33.7 moles of samarium metal is $\fbox{25.3 \text{ mol}}$ .

Explanation:

A chemical equation in which the number of atoms of each element is the same on the reactant and product side is called a balanced chemical equation.

The balanced chemical equation can be used to determine the stoichiometric ratio between the reactant and the product. The stoichiometric ratio thus enables us to calculate:

1. Amount of one reactant required to react completely with the other reactant.

2. Amount of the product that can be produced from the given amount of the reactant.

Step 1: Write the chemical equation for the reaction between samarium metal and oxygen gas.

The chemical formula for oxygen gas is $\text{O}_(2)$ .

Samarium has +3 oxidation state within the samarium/oxygen compound. So, the chemical formula of the samarium oxygen compound is $\text{Sm}_(2)\text{O}_(3)$ .

The chemical equation is as follows:

$\fbox{\text{Sm}+\text{O}_(2) \rightarrow \text{Sm}_(2)\text{O}_(3)\n\end{minipage}}$

Step 2: Balance the chemical equation for the reaction between oxygen and samarium metal.

The number of oxygen atoms in the product side is 3 and in the reactant side is 2. Put coefficient 2 in front of $\text{Sm}_(2)\text{O}_(3)$ and 3 in front of $\text{O}_(2)$ to balance the oxygen atoms.

$\fbox{\text{Sm}+3\text{O}_(2) \rightarrow 2 \text{Sm}_(2)\text{O}_(3)\n\end{minipage}}$

The number of samarium atoms in the product side is 4 and in the reactant side is 1. Put coefficient 4 in front of Sm in the reactant side.

$\fbox{\n4\text{Sm}+3\text{O}_(2) \rightarrow 2 \text{Sm}_(2)\text{O}_(3)\n\end{minipage}}$

Step 3: Determine the stoichiometric ratio between samarium and oxygen from the above balanced chemical equation.

According to the balanced chemical equation, we can see that the stoichiometric ratio between samarium and oxygen is 4:3.

Step 4: Use unitary method and calculate the moles of oxygen required to completely react with the given moles of samarium metal as follows:

$\text{moles of O}_(2) = \left( \text{moles of Sm} \right)\left( \frac{3 \text{ mol of O}_(2)}{4 \text{ mol of Sm}} \right)$ ...... (1)

Step 5: Substitute 33.7 mol for moles of Sm in equation (1).

$\text{Moles of O}_(2) = \left( \text{33.7 mol} \right) \left( \frac{3 \text{ mol of O}_(2)}{4 \text{ mol of Sm}} \right)\n\text{Moles of O}_(2)= 25.275 \text{ mol}\n\text{Moles of O}_(2)= 25.3 \text{ mol}$

Note:

Do not forgot to balance the reaction. The reaction must be balanced in order to calculate the amount (mol) of oxygen required to completely react with the given amount of samarium.

Learn more:

1. Balanced chemical equation brainly.com/question/1405182

2. Learn more about how to calculate moles of the base in given volume brainly.com/question/4283309

Answer details:

Grade: Senior School

Subject: Chemistry

Chapter: Some basic concept of chemistry

Keywords: samarium, oxygen gas, samarium/oxygen compound, 33.7 moles, 25.3 mol, balanced equation, stoichiometric ratio, coefficient, balance, moles, completely react.

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