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Mademuasel [1]
3 years ago
5

How do you write 0.714 in scientific notation

Chemistry
2 answers:
pantera1 [17]3 years ago
8 0

Answer:

0.714 in scientific notation is 7.14 × 10-1.

tensa zangetsu [6.8K]3 years ago
7 0

Answer: m × 10n, where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.

Explanation:

1) Move the decimal 1 times to right in the number so that the resulting number, m = 7.14, is greater than or equal to 1 but less than 10

2) Since we moved the decimal to the right the exponent n is negative

n = -1

3) Write in the scientific notation form m × 10n

= 7.14 × 10-1

Therefore,

7.14 × 10-1 is the scientific notation form of 0.714 number and 7.14e-1 is the scientific e-notation form for 0.714

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A gaseous mixture consisting of nitrogen, argon, and oxygen is in a 3.5-L vessel at 25C. Determine the number of moles of oxygen
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Answer:

Number of moles of oxygen = 0.037  mol

Explanation:

Given data:

Total pressure = 98.5 KPa

Partial pressure of nitrogen = 22.0 KPa

Partial pressure of argon = 50.0 KPa

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Temperature = 25°C (25+273= 298K)

Number of moles of oxygen = ?

Solution:

Total pressure = P(N₂) + P(O₂) + P(Ar)

98.5 KPa = 22.0 KPa +P(O₂) + 50.0 KPa

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P(O₂)  = 98.5 KPa - 72.0 KPa

P(O₂)  = 26.5 KPa

KPa to atm:

26.5 KPa/ 101 = 0.262 atm

Number of moles of oxygen:

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n = PV/RT

n = 0.262 atm × 3.5 L / 0.0821 atm.L/mol.K  × 298 K

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What are the n, l, and possible ml values for the 2p and 5f sublevels?
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Answer:

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