3 years ago

Cellular respiration is? (Single choice.)

Chemistry

1 answer:

Taya2010 [7]3 years ago

5 0

The answer would be A

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How many moles of helium are contained in 9.85 x 1023 atoms?<br> 9.85 x 1023 atoms

olya-2409 [2.1K]

Answer:

10076.55

Explanation:

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3 years ago

How is reusable water bottles are more environmentally friendly than one use water bottle?

dexar [7]

Answer:

They are better because they are more usable than Plastic and reusable water bottles are better for the planet!

Explanation:

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3 years ago

How many moles of Cs are contained in 3 moles of Cs3PO4?

Alenkinab [10]

Answer:

$\boxed {\boxed {\sf 9 \ moles \ Cs}}$

Explanation:

We are given the compound: Cs₃PO₄

According to the formula, 1 mole of cesium phosphate contains 3 moles of cesium, 1 mole of phosphate, and 4 moles of oxygen.

Therefore, there are 3 moles of cesium for 1 mole of cesium phosphate.

$\frac {3 \ mol \ Cs}{1 \ mol \ Cs_3PO_4}$

We want to calculate the moles of cesium in 3 moles of cesium phosphate, so we multiply the ratio by 3.

$3 \ mol \ Cs_3PO_4 *\frac {3 \ mol \ Cs}{1 \ mol \ Cs_3PO_4}$

$3 *\frac {3 \ mol \ Cs}{1 }= 9 \ mol \ Cs$

3 moles of cesium phosphate contains <u>9 moles of cesium.</u>

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3 years ago

After 56 days, a 4.0-g sample of phosphorus-32 contains only 0.25 g of isotope. Based on this data,

timama [110]

Answer:324 hours (13.5 days)

Explanation:see attached photo

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3 years ago

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Write the electron configuration diagram that shows the transfer of electrons that takes place to form the compound sodium

Dafna1 [17]

Answer:

See explanation

Explanation:

Now the element sodium has electronic configuration of [Ne]3s1

Florine has an electronic configuration of [He] 2p5

We know that in the formation of sodium flouride, sodium looses one electron to form Na^+ while F gains one electron to form F^-. So the electronic configuration of both Na^+ and F^- now become; 1s2 2s2 2p6

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3 years ago