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fomenos
3 years ago
14

What is the relationship between the molecular mass and the molar mass of a substance?

Chemistry
1 answer:
Katyanochek1 [597]3 years ago
6 0
The units are different
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A hockey puck moves 22 meters northward, then 16 meters southward, and finally 4 meters northward.For this motion, what is the d
Shalnov [3]

Answer:

Answer is

The distance moved is : 42m

The magnitude and direction of the displacement: 10m

Explanation:

The distance moved is:

22+16+4=42

The magnitude and direction of the displacement:

22-16+4=10

4 0
3 years ago
Which of the following compounds contains both ionic and covalent bonds? KOH N2O5 CH3OH Na2O
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Answer: a.KOH

Potassium hydroxide is an ionic compound where the K+ is the cation and OH−is the anion. At the same time, the compound also contains a covalent bond since the anion, OH−is formed from electron sharing between the O and H atoms.

Hope this helps........ Stay safe and have a Merry Christmas! :D

Explanation:

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3 years ago
BRAINLIEST TO FIRST CORRECT ANSWER, THANKS!
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Answer:

increased

Explanation:

Consuming a compound increases the concentration. When you increase the concentration, the rate constant for that reaction also increases.

5 0
3 years ago
3. A student carries out the clay-catalyzed dehydration of cyclohexanol starting with 10 moles of cyclohexanol and obtains 500 m
IrinaK [193]

Answer:

49.45~%

Explanation:

In this case, we have to start with the <u>chemical reaction</u>:

C_6H_1_2O~->~C_6H_1_0~+~H_2O

So, if we start with <u>10 mol of cyclohexanol</u> (C_6H_1_2O) we will obtain 10 mol of cyclohexanol (C_6H_1_0). So, we can calculate the grams of cyclohexanol if we<u> calculate the molar mass:</u>

(6*12)+(10*1)=82~g/mol

With this value we can calculate the grams:

10~mol~C_6H_1_0\frac{82~g~C_6H_1_0}{1~mol~C_6H_1_0}=820~g~C_6H_1_0

Now, we have as a product 500 mL of C_6H_1_0. If we use the <u>density value</u> (0.811 g/mL). We can calculate the grams of product:

500~mL\frac{0.811~g}{1~mL}=405.5~g

Finally, with these values we can calculate the <u>yield</u>:

%~=~\frac{405.5}{820}x100~=~49.45%%= (405.5/820)*100 = 49.45 %

See figure 1

I hope it helps!

6 0
3 years ago
Which is more acidic black coffee or orange juice
EastWind [94]
Black coffee since it is a darker colour and has a heavier taste
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3 years ago
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