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4 years ago

What molecules are found in all or almost all organic compounds?

Chemistry

2 answers:

klemol [59]4 years ago

5 0

D. carbon and hydrogen

Gnoma [55]4 years ago

4 0

Answer: The correct answer is Option d.

Explanation:

Organic compounds are defined as the compounds which are found in living organisms.

These compounds mainly consists of carbon atoms which are covalently bonded to hydrogen, oxygen and nitrogen atoms.

For Example: $C_{5}H_{11}O,HCN$

Both the compounds are organic compounds because carbon is bonded to nitrogen, oxygen and hydrogen atoms.

Main elements present in any organic compound are carbon and hydrogen.

Hence, the correct answer is Option d.

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Hedges are used to be courteous in expressing

lisov135 [29]

Answer:

hedges are used to be courteous in expressing (counterclaims)

5 0

3 years ago

PLEASE HELP ASAP I'M SO STRESSED

bazaltina [42]

Answer:

160.3g

Explanation:

We know the equation:

No of moles = mass ÷ Mass of element

We need to find the mass, so make mass the subject of the formula.

Mass = No. of moles × mass of element

Mass = 5 × 32.06

Mass = 160.3g

4 0

3 years ago

In 1901, Thomas Edison invented the nickel-iron battery. The following reaction takes place in the battery. Fe(s) + 2 NiO(OH)(s)

AveGali [126]

Ans: Moles of Fe(OH)2 produced is 5.35 moles.

Given reaction:

Fe(s) + 2NiO(OH) (s) + 2H2O(l) → Fe(OH)2(s) + 2Ni(OH)2(aq)

Based on the reaction stoichiometry:

1 mole of Fe reacts with 2 moles of NiO(OH) to produce 1 mole of Fe(OH)2

It is given that there are:

5.35 moles of Fe

7.65 moles of NiO(OH)

Here the limiting reagent is Fe

Therefore, number of moles of Fe(OH)2 produced is 5.35 moles.

5 0

3 years ago

Behavior (defense mechanisms)definition

Gekata [30.6K]

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(google)

7 0

3 years ago

How many moles in 4 g of Ca3N2? .027 mol .613 mol 2.05 mol .760 mol

Arada [10]

Answer:

0.027mole

Explanation:

3 0

2 years ago