2 years ago

A group of students working in a chemistry lab are planning a procedure to

Chemistry

1 answer:

NARA [144]2 years ago

4 0

use a strong base to neutralize, like NaOH, KOH, etc

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I need help with with number 1515. How many moles of NO2 are in a 37.058 L container at 101.28 kPa and -139.86

Andre45 [30]

Explanation:

To solve this question, we will use the Clayperon Equation:

P.V = n.R.T

where:

P = 101.28 kPa

1 atm = 101,325 Pa

x atm = 101,280 Pa

x = 1 atm

V = 37.058 L

n = we don't know

R = 0.082 atm.L/K.mol

T = -139.88 ºC = -139.88+273.15 = 133.27 K

1*37.058 = n*0.082*133.27

n = 0.29 moles

Answer: 0.29 moles

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1 year ago

What is the index of hydrogen deficiency of a compound with a molecular formula of c6h15n?

7nadin3 [17]

Answer:

IHD = 0

Explanation:

Given that

C₆H₁₅N

Number of carbon atoms(n) = 6

Number of hydrogen atoms(x') = 15

Number of nitrogen atoms = 1

There is nitrogen atoms then x = x' -1

The index of hydrogen deficiency given as

$IHD=\dfrac{2n+2-x}{2}$

$IHD=\dfrac{2\time 6+2-(15-1)}{2}$

IHD = 0

The index of hydrogen deficiency is zero.

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4 years ago

7) What is the speed of a jet plane<br> that flies 7200 km in 9.5 hours?

Debora [2.8K]

Answer:

68,400

Explanation:

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3 years ago

How ph relate with poh

mylen [45]

<span>The "p" in pH and pOH stands for "negative logarithm of" and is used to make it easier to work with extremely large or small values. pH and pOH are only meaningful when applied to aqueous (water-based) solutions. </span>

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What are the building blocks of proteins?

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Hope this helps:)

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