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Arisa [49]
3 years ago
6

What is a sign that a person may be abusing drugs?

Chemistry
2 answers:
jekas [21]3 years ago
8 0
It would probably be it would probably be B
lidiya [134]3 years ago
6 0

Answer:

answer is a because drugs do so to the person.

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P4O10 -> 4P+5O2 How many moles of phosphorus would be produced if 5.3 mol of P4O10 reacted?
viktelen [127]

Answer:

21.2 moles.

Explanation:

Hello!

In this case, for the given chemical reaction, we can see there is a 1:4 mole ratio between tetraphosphorous decaoxide and phosphorous; therefore, the following proportional factor provides the requested moles of phodphorous:

n_P=5.3molP_4O_{10} *\frac{4molP}{1molP_4O_{10}} \\\\n_P=21.2molP

Best regards!

5 0
3 years ago
A block of lead displaces 50.5ml of water. The block weighs 698 g. From this
Natasha2012 [34]

Answer:

<h2>13.82 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{698}{50.5}  \\  = 13.8217...

We have the final answer as

<h3>13.82 g/mL</h3>

Hope this helps you

4 0
3 years ago
What defines an element?
Troyanec [42]

element is made up of only one type of atoms.

it is pure form of matter

example hydrogen, oxygen, carbon etc

7 0
2 years ago
Read 2 more answers
During the action of a sodium-potassium pump, 50 ATP molecules were spent. Predict how many sodium ions are transported across t
geniusboy [140]
I think the correct answer from the choices listed above is option C. There would be 150 sodium ions that will be transported across the cell membrane.  Each ATP molecule aids in moving 3 Na+ across the membrane. So, 50 times 3 is equal to 150.
8 0
3 years ago
What is the group number of the most metallic group that contains metalloids?
LUCKY_DIMON [66]
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