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Nata [24]
4 years ago
5

How many atoms are in phosphorus

Chemistry
1 answer:
Nataliya [291]4 years ago
5 0
There are 15 electrons in a Phosphorus atom.
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All animals make body heat. True or false?
gladu [14]

Answer:

False

Explanation:

Some animals are cold blooded

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How would the results differ if you add sodium p-toluate instead of p-toluic acid to the 2 layer mixture of tert-butyl methyl et
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Hey there!:

That depends on the pH of the water layer. If the water layer is basic or rather just not acidic, it will be in the water layer. If the water layer is acidic, pH 4 or less, it will be in the ether layer.  On the question of upper and lower, either has a density of less than one so it will be the upper layer.

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The valence electrons are those found in the highest energy ____ and ___ orbitals
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4 years ago
A mineral sample scratches fingernails, pennies, and glass but does not scratch steel as shown below. what is the hardness of th
Elodia [21]
Friedrich Mohs devised a scale that tested mineral <span>hardness, </span>which means the resistance of a mineral to being scratched. This scale (from 1 to 10) is known as the Mohs Hardness Test. Objects are used as tools to perform the hardness test:
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copper penny (hardness = 3)
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4 0
3 years ago
Hydrogengasand oxygengas react to form water vapor. Suppose you have of and of in a reactor. Calculate the largest amount of tha
bezimeni [28]

The question is incomplete. The complete question is :

Hydrogen (H_2) gas and oxygen (O_2) gas react to form water vapor (H_2O). Suppose you have 11.0 mol of H_2 and 13.0 mol of O_2 in a reactor. Calculate the largest amount of H_2O that could be produced. Round your answer to the nearest 0.1 mol .

Solution :

The balanced reaction for reaction is :

$2H_2(g) \ \ \ \ + \ \ \ \  \ O_2(g)\ \ \  \rightarrow \ \ \ \ 2H_2O(g)$

11.0                      13.0

11/2                       13/1     (dividing by the co-efficient)

6.5 mol               13 mol    (minimum is limiting reagent as it is completely consumed during the reaction)

Therefore, H_2 is limiting reagent. It's stoichiometry decides the product formation amount from equation above it is clear that number of moles for H_2O will be produced = number of moles of H_2

                                     = 11.0 mol

3 0
3 years ago
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