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3 years ago

Which organic compound is isometric with at least one aldehyde?

Chemistry

2 answers:

Talja [164]3 years ago

8 0

Answer) D. ketone. Im not sure if its right tho

Bad White [126]3 years ago

6 0

Answer:

Ketone is isomeric with an organic compound containing at least one aldehyde group

Explanation:

Isomers have same molecular formula but different functional groups due to variation in positioning of certain atoms within molecules.

Let us consider 1-propanal (contains one aldehyde group). Acetone is isomeric with 1-propanal as both have molecular formula $C_{3}H_{6}O$ . But 1-propanal contains aldehyde (-CHO) functional group and acetone contains keto (-CO-) functional group. Isomerism appears between these two compound due to variable positioning of oxygen atom.

Therefore they are isomeric to each other.

An image has been attached below for more clarification.

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. Sulfur dioxide can be produced in the laboratory by the reaction of hydrochloric acid and a sulfite salt such as sodium sulfit

shutvik [7]

Answer:

Mass of SO₂ can be made from 25.0 g of Na₂SO₃ and 22 g of HCl = 12.672 g

Explanation:

SO₂( sulfur dioxide) can be produced in the lab. by the reaction of hydrochloric acid & sulphite salt such as sodium.

the balanced chemical equation is as follows

Na₂SO₃ + 2 HCl → 2 NaCl + SO₂ + H₂O

Moles of Na₂SO₃ = $\frac{Mass}{Molecular mass} =\frac{25}{126} = 0.198$

Moles of HCl = $\frac{mass}{molecular mass}=\frac{22}{36.5}= 0.6$

using mole ratio method to find limiting reagent

For sodium sulfite $\frac{mole}{stoichiometry} = \frac{0.198}{1}= 0.198$

for HCl $\frac{mole}{stoichiometry} = \frac{0.6}{2}= 0.3$

since sodium sulfite is limiting reactant for above chemical reaction

1 mole of Na₂SO₃ produce 1 mole of SO₂

0.198 mole of Na₂SO₃ produce 0.198 mole of SO₂

∴ Mass of SO₂ produce = mole x molar mass of SO₂

= 0.198 x 64

= 12.672 g

8 0

3 years ago

Dr. I. M. A. Brightguy adds 0.1727 g of an unknown gas to a 125-mL flask. If Dr. B finds the pressure to be 736 torr at 20.0°C,

AlladinOne [14]

Answer:

The gas that Dr. Brightguy added was O₂

Explanation:

Ideal Gases Law to solve this:

P . V = n . R . T

Firstly, let's convert 736 Torr in atm

736 Torr is atmospheric pressure = 1 atm

20°C = 273 + 20 = 293 T°K

125 mL = 0.125L

0.125 L . 1 atm = n . 0.082 L.atm / mol.K . 293K

(0.125L .1atm) / (0.082 mol.K /L.atm . 293K) = n

5.20x10⁻³ mol = n

mass / mol = molar mass

0.1727 g / 5.20x10⁻³ mol = 33.2 g/m

This molar mass corresponds nearly to O₂

7 0

3 years ago

What is the volume of 3.89 grams of helium gas?

lukranit [14]

Answer: There are 971.77 millimoles in 3.89 grams of Helium

Explanation:

i think its right im not really sure

7 0

3 years ago

Isotopes of carbon differ with the respect to the number of

hodyreva [135]

Answer:

Neutrons.

Explanation:

Isotopes can be defined as the atom of an element that has the same number of protons but different number of neutrons. This ultimately implies that, the isotopes of an element have the same atomic number (number of protons) but different atomic mass (number of nucleons).

The isotope of an element is denoted by $X^{A}_{Z}$

Where; X is the symbol of the element.

A is the atomic mass or number of nucleons.

Z is the atomic number or number of protons.

Therefore, the number of neutrons = A - Z

Isotopes of carbon differ with respect to the number of neutrons.

Basically, there are three (3) Isotopes of Carbon and these are;

1. Carbon-12: it has an atomic mass of 12 with 6 numbers of proton and neutron respectively.

2. Carbon-13: it has an atomic mass of 13 with 6 numbers of proton and 7 numbers of neutron.

3. Carbon-14: it has an atomic mass of 14 with 6 numbers of proton and 8 numbers of neutron.

8 0

3 years ago

What type of bond is made between amino acids in the ribosome?

sleet_krkn [62]

Answer:

Peptide bonds form between the amino group of the amino acid attached to the A-site tRNA and the carboxyl group of the amino acid attached to the P-site tRNA. The formation of each peptide bond is catalyzed by peptidyl transferase, an RNA-based enzyme that is integrated into the 50S ribosomal subunit.

8 0

2 years ago