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Airida [17]
3 years ago
12

What what is the equation for percent error

Chemistry
1 answer:
Stella [2.4K]3 years ago
5 0
When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations. The formula is given by: The experimental value is your calculated value, and the theoretical value is your known value.
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Which type of bond is present within a water molecule
krok68 [10]

Answer:

Covalent bonds

Explanation:

3 0
3 years ago
What percentage of the total net electricity generated in America each day is
never [62]

Answer:

About 50%

Explanation:

7 0
3 years ago
How many moles of methane (CH4) is<br> 6.70 x 1022 atoms of methane?
suter [353]

Answer:

0.1113  mol

Explanation:

Data Given:

no. of atoms of CH₄= 6.70 x 10²² atoms

no. of moles of methane (CH₄) = ?

Solution:

we will find no. of moles of methane (CH₄)

Formula used

          no. of moles = no. of atoms / Avogadro's number

Where

Avogadro's number = 6.022 x 10²³

Put values in above equation

         no. of moles = 6.70 x 10²² atoms / 6.022 x 10²³ (atoms/mol)

         no. of moles = 0.1113  mol

So,

There are 0.1113 moles of methane.

8 0
3 years ago
You are trying to determine how
ss7ja [257]

Answer:

0,218 moles

Explanation:

I will first explain how many liters is 256ml, that is 0,256 l.

because the m stands for milli which is a factor of 1000 -> (256 ml / 1000 = 0,256 l)

To calculate the amount of moles you multiply the volume with the concentration. So 0,256l x 0,855M = 0,218 moles.

5 0
2 years ago
Draw a mechanism for each of the three steps in the preparation of the 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone. you may as
WINSTONCH [101]

The mechanism of the reaction is as follows:

The first step is the supplementation of the acetate and the chalcone under basic conditions. The reaction is mentioned in the attachment.

The second step incorporates the reaction of the product from the first step to produce a cyclic product. This reaction goes through the Aldol mechanism. The reaction is mentioned in the attachment below.

Finally, the outcome produced in the above reaction goes through dehydration to produce a desired outcome. The reaction is mentioned in the attachment below.


3 0
3 years ago
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