Gold is classified as what type of element?

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If so- it's Hundium.

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In the case when the HCI should be added so it should be shifted to reactants.

It is the solution that should be considered as the aqueous solution that comprise of the mixture of the weak acid and the conjugate base.

Here the ph level should be change very less at the time when the small amount of the strong acid should be added.

Therefore, it  should be shifted to reactants.

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Answer: food, chemical

Explanation:

Cellular respiration is a process in which the food or glucose reserve is oxidized so as to produce chemical form of energy in the form of ATP, that is used by the body's cell to perform metabolic activities within the cell. During this process the glucose in the presence of oxygen is converted into water and carbon dioxide and the chemical form of energy so produce is called adenosine triphosphate or ATP. Thus in the end chemical energy is produced.

Explanation:

[tex]pressure = 760mm \: of \: mercury \\ = 101325 \: pascals \\ from \: PV = nRT \\ 101325 \times 1 = n \times 8.314 \times 273 \\ n = 44.6 \: moles[/tex]

Answer:

740

Explanation:

The nitrogen is combined with it.

Answer:

2. chlorine

3. Copper??

4. Isotope

5. sodium, magnesium, aluminum, silicon, phosphorus, sulfur, or argon

6. Oganesson

7. Hydrogen

Hope these are right!

Answer:

I think hydrogen because Hydrogen combined with one atom with oxygen and in hydrogen peroxide. It has two atoms of hydrogen and 2 atoms of oxygen. Therfore it should be a compound.

Answer:

radioactive decay

Explanation:

By increasing the frequency which changes the wavelength,  frequency changes across the electromagnetic spectrum, from radio waves to gamma rays.

The electromagnetic spectrum is a wide range of frequencies that vary depending upon the wavelength of the spectrum and somehow the energy of photons also affects the frequencies and wavelengths.

There are three types of electromagnetic spectrum hydrogen spectrum emission spectrum due to the emission of light and absorption spectrum due to absorption of light.

Therefore, frequency changes across the electromagnetic spectrum, from radio waves to gamma rays are By increasing the frequency which changes the wavelength.

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Answer:

(1) Nuclear reactions entail a transition in the nucleus of an atom, which normally results in the formation of a new substance. Chemical reactions, on the other hand, only involve electron rearrangement and do not involve nuclei modifications. (4) Nuclear reactions are unaffected by the element's chemical form.

Explanation:

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Answer:

ph=5.2 solution is acidic

Answer:

what is the gas that is produced.

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Answer:

C

Explanation:

Answer:

D)

Explanation:

On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate. When this happens, the ocean plate sinks into the mantle.

Answer:

Hydroelectric pumped storage can be used to eliminate the conditional nature of wind and solar energy. At times of peak production of energy from either solar or wind (during summer and windy days), the excess electrical energy produced can be stored using hydroelectric pumped storage methods. When conditions no longer favour energy production from either wind or solar sources, these stored energy can then be regenerated for use.

Explanation:

Pumped-storage hydroelectricity is a type of hydroelectric energy storage used by electric power systems to store excess electrical power during periods of low demand for later release at periods when demand for energy rises again. It stores energy in the form of gravitational potential energy of water, pumped from a lower level reservoir to a higher level reservoir.

At times of low electrical demand, excess generated energy is used to pump water into the upper reservoir. When there is higher demand, water is released back into the lower reservoir through a turbine, generating electricity.

This form of energy storage is useful in circumventing the conditional nature of renewable energy sources such as wind and solar energy. At times of peak production of energy from either solar or wind (during summer and windy days), the excess electrical energy produced can be stored using hydroelectric pumped storage methods. When conditions no longer favour energy production from either wind or solar sources, these stored energy can then be regenerated for use.

Answer:

on the PH scale anything with a ph of 1-7 is acidic, anything 7-14 is basic, in this case the solution mentioned in the question is basic.

Answer:

Well, technically its considered neutral but since it doesn't exactly fall into a certain category, but its not exactly a basic either, so I would say that it would be acidic.

Explanation:

Answer:

The answer copper carbonate

Answer:

alcohol

Explanation:

Answer:

methylpentanoic acid,,,,,I guess so

The following carboxylic acid is 2-methylpentanoic acid.

A carboxylic acid is an organic compound that contains the carboxyl functional group. The general formula for a carboxylic acid can be abbreviated as R−COOH.

Pentanoic acid can be prepared by reacting a butyl halide with magnesium to obtain a Grignard reagent, which is further reacted with carbon dioxide to give valeric salt.

Hence, the following carboxylic acid is 2-methylpentanoic acid.

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Answer:Switch off lighting in refrigeration areas when not in use?

Explanation:

Answer:

B) Crust

Explanation:

It's the farthest layer from the core listed.

Answer:

B) Crust

Explanation: it is the lowest from the center of the earth.

Answer:

0.46 J/g degrees C, Iron

Explanation:

16.1 J = 5 g x c x 7 degrees C

c = 16.1 / 5 x 7 = 0.46

Answer: 0.46 J/g degrees C, Iron

Answer:

Generally, all atoms of elements contain three sub-atomic particles- Protons(Positively-charged), Neutrons(Neutral) and Electrons(Negatively-charged).

The Magnitude of the Positive Charge possessed by the Protons and the Magnitude of the Negative Charge possessed by the Electrons cancel each other, which make the atom electrically neutral.

Hence,

Without any electrons, the magnitude of the positive and negative charges wouldn't balance, and the atom would be unstable and disintegrate almost immediately. Hence, all stable atoms should have electrons revolving around them, where the number of protons and electrons are the same, under normal conditions.

To Conclude,

Every atom of an element will have electrons arranged in different shells, or matter couldn't exist without electrons.

Answer:

2.3g

Explanation: my mom is a teacher

CH₄ + 2O₂ → CO₂ + 2H₂O For this reaction the mass of methane gas (CH4) is required in order to follow the Law of Conservation of Mass is 2.3 gram. Therefore, option D is correct.

The Law of Conservation of Mass states that the total mass of the reactant is exactly equal to the total mass of the product.

It is also state that in a chemical reaction mass is neither created nor destroyed. For example, the carbon atom in coal gets carbon dioxide when it is burned.

This law is important in understanding and production of various chemical reactions. If researchers experience the identities alongside the quantities of the reactants for any particular reaction.

According to the Law of Conservation of Mass, In given combustion reaction to obey this law the mass of reactant is 2.3 grams.

Thus, option D is correct.

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