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balandron [24]
2 years ago
13

Assume the average apple has a mass of 167 grams. How many apples are in a bag of apples that weighs 2000 grams? Enter your numb

er answer belowand round to the nearest whole number
Chemistry
1 answer:
forsale [732]2 years ago
4 0

Answer:

12

Explanation:

167x=2000

x=11.976

rounds to 12

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The density of liquid mercury is 13.69 g/cm^3. How many atoms of mercury are in a 15.0 cm^3 sample? Use "E" for "x10" and use si
balu736 [363]
The formula is  m = D x V
D = <span>13.69 g/cm^3.
</span>V = <span>15.0 cm^3 
the mass of the liquid mercury is m= </span>13.69 g/cm^3 x 15.0 cm^3 = 195g
the molar mass of Hg is 200,
1 mole of Hg = 200g Hg, so #mole of Hg= 195 / 200 = 0.97 mol
but we know that
 1 mole  = 6.022 E23 atoms
0.97 mole=?

6.022 E23 atoms x 0.97 / 1 mole = 5.84 E23 atoms
6 0
3 years ago
How glass tube filed with acidified potassium dichromate detect drunken driver
hodyreva [135]

Answer:

See explanation

Explanation:

The reaction between alcohol and acidified potassium dichromate  is a redox reaction. This reaction can be used to detect a drunken driver.

Alcohols can be oxidized to aldehydes, ketones and carboxylic acids depending on the structure of the alcohol. Primary alcohols yield adehydes and carboxylic acids while secondary alcohols are oxidized to ketones.

The colour of the acidified potassium dichromate turns from orange to green when exposed to alcohols from the breath of a drunken driver.

5 0
2 years ago
Iron filings could be separated from sand using _______.
Deffense [45]

Answer:

A. a magnet

Explanation:

Iron fillings could be separated from sand using a magnet

3 0
3 years ago
Please answer this!!!!!!!!!!!!!
NeX [460]
What’s the question?
8 0
2 years ago
Read 2 more answers
How to convert n butylbenzene to benzoic acid​
Pavlova-9 [17]

<u>Answer:</u>

<u>When an alkyl benzene is heated with strong oxidizing asgents like acidic or alkline KMnO4</u>

<u> or acidified K2Cr2O7</u>

<u>, etc. gives aromatic carboxyllic acid. The alkyl side chain gets oxidised to −COOH</u>

<u> group irrespective of the size of the chain.</u>

Explanation:

4 0
2 years ago
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