3 years ago

Name three sources of CO2

Chemistry

2 answers:

Firdavs [7]3 years ago

6 0

Deforestation and fires and respiration

dangina [55]3 years ago

4 0

Answer:

1.Respiration of animals and plants.

2.The burning of fossil fuels.

3.Bacteria decompose corpses.

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If 5 moles of P4 reacted with 22 moles Cl2 according to the above reaction, determine:

GaryK [48]

Solution:

$P_4+6Cl_2\rightarrow 4PCl_3$

a) By stoichoimetry If 6 moles of $Cl_2$ gives 4 mole of $PCl_3$ , then 22 moles of $Cl_2$ will give: $\frac{4}{6}\times 22=\frac{44}{3}=14.66$ moles of $PCl_3$

b) If 6 moles of $Cl_2$ reacts with one mole of $P_4$ , then 22 moles of $Cl_2$ will react : $\frac{1}{6}\times 22=\frac{11}{3}=3.66$ moles of $P_4$

Moles of $P_4$ left after the reaction = $5-3.66=\frac{4}{3}=1.34$ moles.

c) 0 Moles of $Cl_2$ , since it is present in less amount it will get completely consumed in the reaction. Hence, it is limiting reagent.

7 0

3 years ago

PLEASE ANSWER ASAP! DOUBLE CHECK THE ANSWER!

hammer [34]

I believe the answer would be C, unbalanced.
Since the forces are in opposite directions, and aren't the same size, the answer would be unbalanced.

7 0

3 years ago

Which type of molecule forms structures in cells and stores energy? (5 points)

Brums [2.3K]

Just to make sure I’m right, is number 1 miss spelled??

4 0

2 years ago

1.25 cm is the same distance as ?<br> 12.5 Km<br> 12.5 mm<br> 12.5 dm<br> 12.5 m

pogonyaev

Answer:

12.5mm

Explanation:

1cm = 10mm

so you need to multiply the 1.25 by 10 to get it in mm.

6 0

3 years ago

HELPPP

Ksivusya [100]

3 I’m pretty sure maybe

4 0

2 years ago