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posledela
3 years ago
12

How many moles of helium atoms are there in 2. 4 x 1024 helium atoms?.

SAT
1 answer:
Blizzard [7]3 years ago
4 0

Answer:

n = (2.4 x 10^24 atoms) x ((1 mol)/(6.02 x 10^23 atoms)) = 4.0 mol

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like all equilibrium constants, the value of kw depends on temperature. at body temperature (37∘c), kw=2.4×10−14.
DENIUS [597]

Answer:

The concentration of  [ H3O^+] is 1.6 × 10^−7.

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5 0
2 years ago
Choose ALL the examples of severe
fomenos
Answer:
Hurricane Flash flood tsunami and tornado
Explanation:
What is a severe weather event?
A Severe weather event is 1-2 inches of hail (25-51 mm) an F1 tornado or winds up from 58-75 miles per hour (or 93 to 121 km/hour) but there is something called a Significant severe weather which is more than what is listed. So we already know that a hurricane, tornado, flash flood and tsunami are ALL severe weather events. But what about Earthquake and Volcano. While yes, they ARE considered severe events, they are NOT titled under these criteria.
6 0
2 years ago
Classify each of the following as a nonessential element, essential bulk element, or essential trace element.
Sav [38]

The classification of each of the elements into nonessential element, essential bulk element, or essential trace element are as follows:

Nonessential elements:

  • Alumimium,
  • Argon,
  • Helium

Essential bulk elements:

  • Carbon,
  • Nitrogen,
  • Calcium,
  • Hydrogen

Essential trace elements:

  • Iron,
  • Copper.

The complete question

The elements are: Hydrogen, iron, Copper, Nitrogen, Helium, Carbon, Aluminum, Calcium, Argon

<h3>What is Essential and Nonessential Elements?</h3>

Nonessential elements as the name implies are elements which are not necessary for the functional routine of the body and hence are not included in diets.

Essential bulk elements are elements which are needed for the proper functioning of the body and hence are required in relatively large amounts.

Essential trace elements are required in minute quantities in the body.

Learn more about Essential and nonessential elements;brainly.com/question/861262

7 0
2 years ago
A book of stamps costs $9.80. The expression 9.8n represents the price of one stamp. What does the variable n represent?
DerKrebs [107]

the number of stamps?

hope this helps :)

3 0
3 years ago
Read 2 more answers
Use finite differences to determine the degree of the polynomial
dybincka [34]

Answer:

Step-by-step explanation:

4 0
2 years ago
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