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yaroslaw [1]
3 years ago
5

Can someone please help me with my chem final!!

Chemistry
1 answer:
scoundrel [369]3 years ago
6 0

Answer:

direct

Explanation:

the more dense it is the more pressure it will exert

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How many atoms of Oxygen (O) are there in the products of the following equation:
xenn [34]

Answer:

4.

You see, 2 atoms of O in the CO₂ and 2 O in the 2 moles of H₂O

Explanation:

CH₄ + 2O₂ → CO₂ + 2H₂O

8 0
3 years ago
PLZ HELP IM CONFUSED
Marina CMI [18]

Answer:

9.1 mol

Explanation:

The balanced chemical equation of the reaction is:

CO (g) + 2H2 (g) → CH3OH (l)

According to the above balanced equation, 2 moles of hydrogen gas (H2) are needed to produce 1 mole of methanol (CH3OH).

To convert 36.7 g of hydrogen gas to moles, we use the formula;

mole = mass/molar mass

Molar mass of H2 = 2.02g/mol

mole = 36.7/2.02

mole = 18.17mol

This means that if;

2 moles of H2 reacts to produce 1 mole of CH3OH

18.17mol of H2 will react to produce;

18.17 × 1 / 2

= 18.17/2

= 9.085

Approximately to 1 d.p = 9.1 mol of methanol (CH3OH).

6 0
3 years ago
Explain how a plant is adapted for photosynthesis
snow_lady [41]

Answer:

the utencils of a plant is called photosynthesis and your wc

4 0
3 years ago
3. If the percent by volume is 2.0% and the volume of solution is 250 mL, what is the volume of solute in solution? (1 point) 0.
igor_vitrenko [27]
Volume percent = Volume of solute
                              ----------------------------------
                                Volume of the solution
  
                  2                    Volume of the solute
               -------   =           ------------------------------
                100                               250
                     
         Volume of the solute = 2 x 250
                                                ------------
                                                  100         

                                             =   5 mL.

Hope this helps!




                            




4 0
3 years ago
Wind direction is determined with a __________________.
fomenos

Answer:

Wind direction is determined with a wind vane.

Hope it will help :)

6 0
3 years ago
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