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s2008m [1.1K]
3 years ago
12

Write the name of CH3 ----CH2 ---- CH3

Chemistry
2 answers:
zavuch27 [327]3 years ago
7 0

Answer:

ORGANIC HYDROCARBON

Explanation:

kk

Olin [163]3 years ago
5 0

Answer:

PROPANE AN ORGANIC HYDROCARBON

Explanation:

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A compound made of two elements, iridium (Ir) and oxygen (O), was produced in a lab by heating iridium while exposed to air. The
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1) Compund Ir (x) O(y)

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4) Mass of oxygen = mass of iridum oxide - mass of iridium = 1.47g - 1.26g = 0.21g

5) Convert grams to moles

moles of iridium = mass of iridium / molar mass of iridium = 1.26 g / 192.17 g/mol = 0.00656 moles

moles of oxygen = mass of oxygen / molar mass of oxygen = 0.21 g / 15.999 g/mol = 0.0131

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Divide by the least of the number of moles, i.e. 0.00656

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O: 0.0131 / 0.00656 = 2

=> Empirical formula = Ir O2 (where 2 is the superscript for O)

Answer: Ir O2
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4 years ago
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A total of 25.0 mL of 0.150 M potassium hydroxide (KOH) was required to neutralize 15.0 mL of sulfuric acid (H2SO4) of unknown c
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We are told that KOH is being used to completely neutral H₂SO₄ according to the following reaction:

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0.025 L x 0.150 mol/L = .00375 mol KOH

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We are told we have 15 mL of H₂SO₄ initially, so now we can find the original concentration:

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The concentration of H₂SO₄ being neutralized is 0.25 M.
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Molar mass SiO2 = 28 + 32 = 60 

<span>so moles sand = 3.4 x 10-7 / 60</span>
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3 years ago
How many moles of solute are contained in 3.0 L of a 1.5 M solution? Helppp pleaseee
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4.5 moles! I hope my answer helps
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3 years ago
How many words can the word DEOXYRIBONUCLEIC ACID make
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Answer: four hundred and 18

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