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vladimir2022 [97]
3 years ago
5

1.

Chemistry
2 answers:
astraxan [27]3 years ago
7 0
1) electric energy

2) toaster

3) music heard from a radio
Fudgin [204]3 years ago
7 0

Answer:

1.Electrical energy

2. Toaster

3. Music heard from a radio

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What is the mass in grams of 2.8 x 10^19 formula units of beryllium nitrate
makkiz [27]
To convert the formula unit to mass, we need to divide the given formula units by Avogadro's number, 6.022 x 10^23 and we get the mole of beryllium nitrate. To convert to mass, we need to multiply the number of moles with the molecular formula of the compound which is 133.022 g/mol.The answer is 0.006185 g or 6.185 mg. 
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3 years ago
What will most likely happen in the absence of a vacuole?
Anon25 [30]

The cell will not store food, water, nutrients, and waste.

Explanation:

In the absence of a vacuole in a cell, the cell will not be able to store food, water, nutrients and its wastes.

The vacuole provides a storage medium for the products in the cell. It is a very important cell structure.

They store food and are both found in both plant and animal cells

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6 0
3 years ago
CO_2 sublimes readily at 25°C. Which properties are usually associated with a compound that undergoes this kind of change?
antoniya [11.8K]

Explanation:

Sublimation is defined as a process in which solid state of a substance directly changes into vapor or gaseous state without undergoing liquid phase.

For example, naphthalene balls show sublimation at room temperature.

As this process does not cause any change in chemical composition of a substance. Hence, it is known as a physical process.

Similarly, when CO_{2} sublimes readily at 25^{o}C. This shows change in physical state of carbon dioxide is taking place, i.e, from solid to gaseous phase.

Thus, we can conclude that when CO_{2} sublimes readily at 25^{o}C then it means physical properties are usually associated with a compound that undergoes this kind of change.

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What is the mass number of 19/9F?<br> Your answer:<br> A. 9<br> B. 10<br> C. 19<br> D. 28
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the mass number of fluorine (F) is 19

C. 19

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Apples reproduce naturally by sexual reproduction.How does this explain why there are many types of apples be sure to use use me
kvasek [131]

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could be a that the apple produced a seed with genetic mutation in chromosome during the process meiosis.

Explanation:

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