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Zarrin [17]
3 years ago
14

What is the molar mass of calcium bromide?

Chemistry
1 answer:
goblinko [34]3 years ago
7 0
CaBr2 = 40.078 + 79.9 x 2 => 199.878 g/mol
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Perform each of the following unit conversions using the conversion factors given below: 1 atm = 760 mmHg = 101.325 kPa
Alenkasestr [34]
  unit  coversation
1.429  atm  - 1086mmhg

9361 pa-9.36 KPa  -  70.21  mmhg

725 mmhg -0.95 atm-  96.26  kpa

calculation

(a)     1 atm =  760  mmhg
    1.429 atm = ?
1.429  x760/1 = 1086.34  mm hg

(B)   1  mmhg  =  101.325  kpa
              ?      =9361 KPa
9361   x1 /101.25  =70.21  mmhg

760  mm hg= 101.325 KPa
70.21  mm hg=?

70.21  x101.325/760  = 9.36 Kpa

(C ) 1 atm = 760 mmhg
       ?   =  725
= 725 x1/ 760=0.95  atm


1 atm = 101.325 kpa
0.95  =?

0.95 x101.325/1 = 96.26 KPa
5 0
4 years ago
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HELPPPP If you observe a blue light emitted during the flame test, what would the wavelength of the light be?
iogann1982 [59]
Observe a blue light be wavelength flame test during
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When two moles of ethane react completely with oxygen, how many moles of carbon dioxide will be produced?A. 2.B. 4.C. 8.D. Unkno
babymother [125]

Answer:

Option B.

Explanation:

As any reaction of combustion, the O₂ is a reactant and the products are CO₂ and H₂O. Combustion reaction for ethane is:

2C₂H₆  +  7O₂   →   4CO₂  +  6H₂O

So 2 moles of ethane react with 7 moles of oxygen to make 4 moles of dioxide and 6 moles of water.

Then 2 moles of ethane will produce 4 moles of CO₂

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ASAP!!! Explain: Why do black lines appear on the absorption spectrum of the sun?
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The black lines in the Sun's spectrum are caused by gases on, or above, the Sun's surface that absorb some of the emitted light.

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The last intermediate in citric acid cycle is:_________
GenaCL600 [577]

The last intermediate in citric acid cycle is Oxaloacetic acid.

<h3>What is Citric Acid Cycle?</h3>

Organic molecule HOC(CO2H)(CH2CO2H)2 is the chemical formula for citric acid. It is a weak organic acid that is colorless. Citrus fruits naturally contain it. It is a biochemical intermediary in the citric acid cycle, which is a component of all aerobic organisms' metabolism.

Every year, more than two million tons of citric acid are produced. It is frequently used as a flavoring, an acidifier, and a chelating agent.

Citrates, which include salts, esters, and the polyatomic anion present in solution, are derivatives of citric acid. Trisodium citrate is an example of the former; triethyl citrate is an example of an ester.

Learn more about citric acid with the help of the given link:

brainly.com/question/15582668

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