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3 years ago

Which statement describes carbohydrates?

Chemistry

2 answers:

seraphim [82]3 years ago

5 0

Answer:

Carbohydrates provide energy to organisms.

Explanation:

Im 100% sure because Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and oxygen. Carbohydrates come in simple forms such as sugars and in complex forms such as starches and fiber. The body breaks down most sugars and starches into glucose, a simple sugar that the body can use to feed its cells

Cloud [144]3 years ago

4 0

Answer:

Carbohydrates provide energy to organisms.

Explanation:

I took the test.

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Use the portion of the periodic table shown below to answer the questions.

Bingel [31]

The two elements that have the same properties as sodium are potassium and rubidium .

<h3>What is periodic table?</h3>

The periodic table is an arrangement of the elements in order of increasing atomic number.

From the list, the two elements that have the same properties as sodium are potassium and rubidium .

Proton has an atomic number of 20 and a mass number of 40. The number of electrons is the same as the number of protons. Given that the atomic number is the number of protons present, we have 20 electrons and 20 protons.

Number of neutrons = Mass number - Number of protons

= 40 - 20 = 20 neutrons

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2 years ago

What is a jump start that can speed up the decomposition reaction in soda

vivado [14]

Answer:

you have to shake the soda up

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3 years ago

Read the description of how ancient metalworkers improved their iron. Then identify the solute and solvent by filling in the bla

slega [8]

Answer:iron and carbon

Explanation:I took the test it’s iron and carbon

6 0

4 years ago

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What does Mg stand for in chemistry

makkiz [27]

Mg is an element that stands for Magnesium.

Mg is the chemical symbol for Magnesium.

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3 years ago

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Which Ions oxidize aluminum?<br><br> Li^+, Ca^2+, Ag+, Sn^2+

pishuonlain [190]

Aluminum can be oxidized by $Li^{+}$ and $Ca^{2+}$

<h3>What is oxidizing?</h3>

Some of the metal corrodes (or oxidizes) and forms the corresponding metal oxide on the surface as a result of a chemical reaction between the metal surface and the oxygen in the air. The corrosion products that occur in some metals, like steel, are highly apparent and loose.

According to reactivity series (The array of metals in the descending order of their reactivities is referred to as the metals' reactivity series. It is sometimes referred to as the metals in the activity series.)

Lithium and calcium ions are more reactive than aluminum ion and they are less electronegative.

Since silver and tin are more electronegative than aluminum so, they cannot oxidize aluminum.

∴ $Li^{+}$ and $Ca^{+2}$ ions can oxidize aluminum.

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2 years ago