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Mars2501 [29]
4 years ago
5

"draw the alkyne formed when 1,1-dichloro-3-methylbutane is treated with an excess of a strong base such as sodium amide. omit b

yproducts. (give the neutralized alkyne product, not the acetylide salt.)"
Chemistry
1 answer:
oee [108]4 years ago
3 0
Co2 is correct buddy
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Given the following reactions, what is the overall enthalpy change for the following reaction?
Elenna [48]

Answer:

-176.0 kJ/mol

Explanation:

Let's consider the following balanced reaction.

NH₃(g) + HCl(g) → NH₄Cl(s)

We can calculate the standard enthalpy change for the reaction (ΔH°rxn) using the following expression.

ΔH°rxn = 1 mol × ΔH°f(NH₄Cl(s)) - 1 mol × ΔH°f(NH₃(g)) - 1 mol × ΔH°f(HCl(g))

ΔH°rxn = 1 mol × (-314.4 kJ/mol) - 1 mol × (-46.1 kJ/mol) - 1 mol × (-92.3 kJ/mol)

ΔH°rxn = -176.0 kJ/mol

8 0
3 years ago
What law of motion is represented in the description:
Ugo [173]
I think it is 2nd law of motion
7 0
3 years ago
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A 10g sample of Fe reacts with O to form 18.2g of FeO. How many grams of O reacted?
faust18 [17]

Answer:

Mass of O = 8.2 gram

Explanation:

Given:

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Total volume = 18.2 g

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Computation:

Using Conservation of total mass

Total volume = Mass of O + Mass of Fe

18.2 = Mass of O + 10

Mass of O = 8.2 gram

6 0
3 years ago
Which is an example of a catalyst?<br><br> heat<br><br> stirring<br><br> decrease in temperature
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I think the correct answer is decrease in temperature
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3 0
4 years ago
A beaker containing a mixture of N2(g) and H2(g) is cooled by placing it in a tray of cold water. In response to the cooling, th
Nataliya [291]

The frequency of collisions between the N₂ and H₂ molecules will decrease and the rate of reaction will also decrease.

Since the water is cooler than the gas mixture, heat will flow from the gas to the water.

The gas will cool down, so the average kinetic energy of the gas molecules will decrease.

The molecules will be moving more slowly, so there will be <em>fewer collisions</em> and <em>fewer of these collisions will have enough energy to react</em>.

The rate of reaction between H₂ and N₂ molecules at room temperature is exceedingly slow, <em>but cooling the gas mixture will make the reaction even slower</em>.

3 0
4 years ago
Read 2 more answers
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