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11Alexandr11 [23.1K]
2 years ago
11

What is an atom plz help

Chemistry
2 answers:
Vikki [24]2 years ago
7 0

Answer:

the smallest thing in the world

Explanation:

Akimi4 [234]2 years ago
3 0

Answer:

It is the smallest particle of the elements that exists ob the earth

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Can you please help me and can you show your work please
natali 33 [55]

Answer:

1. 25 moles water.

2. 41.2 grams of sodium hydroxide.

3. 0.25 grams of sugar.

4. 340.6 grams of ammonia.

5. 4.5x10²³ molecules of sulfur dioxide.

Explanation:

Hello!

In this case, since the mole-mass-particles relationships are studied by considering the Avogadro's number for the formula units and the molar mass for the mass of one mole of substance, we proceed as shown below:

1. Here, we use the Avogadro's number to obtain the moles in the given molecules of water:

1.5x10^{25}molecules*\frac{1mol}{6.022x10^{23}molecules} =25 molH_2O

2. Here, since the molar mass of NaOH is 40.00 g/mol, we obtain:

1.2mol*\frac{40.00g}{1mol} =41.2g

3. Here, since the molar mass of C6H12O6 is 180.15 g/mol:

45g*\frac{1mol}{180.15g}=0.25g

4. Here, since the molar mass of ammonia is 17.03 g/mol:

20mol*\frac{17.03g}{1mol}=340.6g

5. Here, since the molar mass of SO2 is 64.06 g/mol:

48g*\frac{1mol}{64.06g} *\frac{6.022x10^{23}molecules}{1mol} =4.5x10^{23}molecules

Best regards!

5 0
3 years ago
(01.04 MC)
iogann1982 [59]
I turned in this exact assignment today haha

the blood vessels dilate to draw body heat away from the body and towards the surface of the skin
sweat glands release sweat, when sweat evaporates it releases heat
6 0
3 years ago
How many molecules are there in 122 grams of NO2
AnnyKZ [126]
Thus, there are 1.47 × 10^(23) molecules present in 122 grams of NO2.
3 0
2 years ago
Based on your understanding, what is Bigbang Thoery?
RoseWind [281]

Answer:

Hi, There!

Based on your understanding, what is Big bang Theory?

  • <em>The Big Bang is an idea about the history of the Universe, the history of space and time and matter and Energy.</em>

Therefore, I Hope this helps!

6 0
2 years ago
Which factor decreases the rate of solution?
Rom4ik [11]
I am just answering so u can mark the other guy brainliest
4 0
2 years ago
Read 2 more answers
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