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Alex_Xolod [135]
3 years ago
11

How many weeks are equal to 2.94x10^6 minutes?

Chemistry
1 answer:
MAXImum [283]3 years ago
8 0

Answer:

2.94 * (10^6) minutes = 291.666667 weeks

Explanation:

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You have been given the task of designing a heat pack to relieve soreness in muscles by combining oxygen and iron. The more oxyg
alisha [4.7K]

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I think ur answer is D. An increase in temperature, showing an exothermic reaction

Explanation:

Hope this helps. Happy holidays! :))

6 0
2 years ago
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Tartaric acid is the white, powdery substance that coats sour candies such as sour patch kids. combustion analysis of a 12.01-g
shusha [124]

First we calculate the mass of carbon, hydrogen and oxygen.

Mass of Carbon;<span>
Molar mass of CO</span>₂ is 44.009g/mol  and molar mass of C = 12.011 g/mol 

<span>Mass of Carbon in 14.08g CO2</span>₂ = 12.011/44.009 x 14.08 = 3.84

<span> Mass Hydrogen;
Molar mass H</span>₂O is 18.0015g/mol and molar mass of H is 1.008and  H₂ = 2.016 

<span>Mass Hydrogen in 4.32g of H</span>₂O = 2.016/18.0015 x 4.32 = 0.48

<span> <span>Mass of  Oxygen = total mas of tartaric acid – (mass of carbon + mass of hydrogen) = 12.01 - (3.84+0.48) = 7.69</span>
Now divide carbon, hydrogen and oxygen through their respective atomic masses: </span>
<span>C = 3.84/12.011 = 0.32
<span>H = 0.48/1.008 = 0.48
<span>O = 7.69/15.999 = 0.48
Now divide by smallest: </span>
C = 0.32/0.32 = 1 </span>
H = 0.48/0.32 = 1.5 
O = 0.48/0.32 = 1.5 
multiply by 2 to get whole integers: </span>
C = 1 x 2 = 2 
H= 1.5 x 2 = 3 
<span>O= 1.5 x 2 = 3
<span>Thus, the Empirical formula of tartaric acid = C</span></span>₂H₃O₃

4 0
3 years ago
An aqueous solution is tested with an electrical conductivity probe.The conductivity probe does not detect an electric current .
Alika [10]

Answer:

Sulphur (IV) Oxide solution

Explanation:

Sulphur (IV) Oxide with the chemical symbol SO_{2} is a covalent compound consisting only of nonmetals. In chemistry it is well known that Covalent compounds do not conduct electricity because they have no free electrons and ions.

5 0
4 years ago
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Determine the percentage composition by mass of each of the elements in the following compounds
adoni [48]

Answer:

63.9%

Explanation:

moral mass of x (# x ions) -divided by- Moral mass of compound.

% of cl = (35.5g) (2 cl ions) -divided by- 111.1g × 100

%= 63.9%

3 0
2 years ago
If the age of the middle layer of a rock sample is between 600 million years and 1 billion years, which of the following could b
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200 million year to 550 million years old

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3 years ago
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