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Rudik [331]
4 years ago
15

Is C2H2 + 2H2 ----- C2H6 a substitution reaction​

Chemistry
1 answer:
3241004551 [841]4 years ago
3 0

Answer:

No

Explanation:

No, this is an addition reaction

HC≡CH + 2H-H ----> H3C - CH3

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Which of the following is an example of a mixture?
valentinak56 [21]
A. The atmosphere

All the other examples are either elements or compounds, not mixtures. A mixture is a combination of elements that are not chemically or irreversibly conjoined so the atmosphere, made up of a variety of gases, would be a mixture.
5 0
3 years ago
A 150 mL of oxygen gas is collected over water at 20 °C and 758 torr. What volume will the same sample of oxygen occupy at STP w
Stella [2.4K]

Answer:

The volume would be; 136.17 ml

Explanation:

Volume V1 = 150 mL

Temperature T1 = 20°C + 273 = 293 K

Pressure  P1 = 758 - 17.54 = 740.46 torr

At STP;

Volume V2 = ?

Pressure P2 = 760 torr

Temperature T2 = 273 K

Using the general gas equation;

P1V1 / T1   = P2V2 / T2

Making V2 subject of formulae;

V2 = P1V1T2 / T1P2

Inserting the values we have;

V2 = 740.46 * 150 * 273  /  293 * 760

V2 = 136.17 ml

3 0
3 years ago
Your dog has a mass of 45.5lb. What is the dog’s mass in kilograms?
V125BC [204]
I believe the answer is 20.63845 kg
5 0
3 years ago
Read 2 more answers
The bond between f and cl would be: pure covalent polar covalent ionic metallic
nexus9112 [7]
I believe the bond between between F and Cl would be polar covalent.
7 0
4 years ago
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The turnover number is defined as the maximum number of substrate molecules that can be converted into product molecules per uni
hjlf

Answer:

Turnover number = 113182s⁻¹

Explanation:

Turnover number is a concept used to know the activity of an enzyme. The higher turnover number, the higher activity of the enzime.

Turnover number is defined as:

Turnover number = Rmax / [E]t

As Rmax is  249 μmol⋅L⁻¹⋅s⁻¹ and [E]t is 2.20 nmol⋅L⁻¹

As 1μmol = 1000nmol, Rmax = 249000 nmol⋅L⁻¹⋅s⁻¹. Replacing:

Turnover number = 249000 nmol⋅L⁻¹⋅s⁻¹ / 2.20 nmol⋅L⁻¹

<h3>Turnover number = 113182s⁻¹</h3>
8 0
4 years ago
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