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AlekseyPX
3 years ago
14

Because of metallic bonding, when light is pointed at metals, they become

Chemistry
1 answer:
Papessa [141]3 years ago
4 0
Metals become shiny when light is pointed at them.
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How many moles is 2. 2 grams of CO2?.
lorasvet [3.4K]

The number of moles of carbon dioxide is 0.05 mol.

A molecule of CO2 contains one carbon atom and two oxygen atoms. One mole of CO2 contains one mole of carbon atoms and two moles of oxygen atoms. The mass of one atomic mole of an element equals the atomic mass in grams, and the molecular mass of an element or compound equals the sum of the atomic masses of each type of its constituent atoms.

Therefore, the mass of one mole of a molecule of an element or compound equals its molecular weight in grams. The number of grams in moles depends on the substance you have. To calculate it, find the atomic or molecular mass of the substance and multiply it by the number of moles.

Learn more about Carbon dioxide here:-brainly.com/question/25385913

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6 0
1 year ago
Which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe?
Pepsi [2]

manganese The metal that is used as a sacrificial electrode to prevent the rusting of iron is manganese.

8 0
3 years ago
Como clasificarias la máquina de la siguiente ilustración? tijera​
Lina20 [59]

Answer:

<u><em></em></u>

  • <u><em>máquina simple: palanca</em></u>

Explanation:

En vista de que  la pregunta está realizada en español, la respuesta la doy en el mismo lenguage.

La<em> palanca</em> es una máquina simple que consiste en una barra rígida que puede girar alrededor the un punto the pivote.

La forma en que functiona una palanca es que se aplica la ferza en el extremo de la barra que está más alejado del pivote. Este extremo puede desplazarse una larga distancia o arco, con una fuerza pequeña, haciendo que los puntos que están al otro lado del pivote, a una menor distancia de este, se desplacen una distancia o arco menor pero con más fuerza que la aplicada.

6 0
3 years ago
In an ecosystem, what do organisms and populations with similar needs compete<br>over?​
hram777 [196]

Answer:

In any ecosystem, organisms and populations with similar requirements for food, water, oxygen, or other resources may compete with each other for limited resources, access to which consequently constrains their growth and reproduction. Growth of organisms and population increases are limited by access to resources.

5 0
3 years ago
Please help 21 points
Novosadov [1.4K]

Answer:

You

Explanation:

Will have to fill in the graph organizer with a story

4 0
3 years ago
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