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BlackZzzverrR [31]
4 years ago
9

How could you increase the kinetic energy of a apple?

Chemistry
1 answer:
Agata [3.3K]4 years ago
8 0
By adding more nutrients to it<span />
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How many minutes will it take for the quantity of n2o5 to drop to 1.9×10−2 mol ?
Novay_Z [31]

<span>Missing question: The first-order rate constant for the decomposition of N2O5, 2N2O5(g)→4NO2(g) + O2(g) at 70°</span><span>C is 6.82×10−3 s−1. Suppose we start with 2.70×10−2 mol of N2O5(g) in a volume of 1.8 L .
</span>c₀(N₂O₅) = 0,027 mol ÷ 1,8 L.<span>
c</span>₀(N₂O₅) = 0,015 mol/L.<span>
c(N</span>₂O₅) = 0,019 mol/ 1,8 L = 0,01055 mol/L.<span>
k = 6,82·10</span>⁻³ s⁻¹.<span>
ln c(N</span>₂O₅) = ln c₀(N₂O₅) - k·t.<span>
t = (ln c</span>₀(N₂O₅) - ln c(N₂O₅)) ÷ k.<span>
t = 0,35 ÷ 0,00682 s</span>⁻¹.<span>
t = 51 s = 0,86 min.</span>

3 0
3 years ago
2.0 liters of a gas at STP is compressed (squeezed) to only 0.75 liters. What is the new pressure of the gas?
kotegsom [21]

Answer:

2.67 Atm

Explanation:

P1·V1=P2·V2

P2= P1·V1 ÷V2

3 0
3 years ago
Shale forms from tiny particles of which material?
miskamm [114]

Answer:

a. mica

Explanation:

6 0
3 years ago
When a substance experiences a phase change it is still the same substance, just in a different form. True of or false
forsale [732]
True because its still technically the same substance
8 0
4 years ago
Read 2 more answers
Opinion on the usage of identification of amine in daily life (medical, agriculture,etc)​
TEA [102]

Answer:

The usage is explained below

Explanation:

Amines are identified from the use of the hinsberg reaction whereby the amine is mixed well with Hinsberg reagent and done in the presence of an aqueous alkali. In this reaction, the amine will attack the electrophile which will result in the chloride being displaced and the amides being generated.

The uses of identification of amines in daily life are;

- In agriculture, it serves as a good source of making herbicides as well as acting as emulsifiers.

- In medicine, it is used in the manufacture of some popular pain killers like demerol and morphine.

- In medicine, it is used in the manufacture of an anesthetic drug known as novocaine.

- In chemical industries, amines are used as lubricating oils and also as corrosion inhibitors in boilers.

8 0
3 years ago
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