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Elan Coil [88]
3 years ago
9

How many atoms of each element are present in the nucleotide adenine:C9H14N3O8P

Chemistry
1 answer:
alisha [4.7K]3 years ago
5 0

Answer:

not sure but i think that there are 35 atoms.

Have a great day!

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The actual yield of a certain reaction is 44.0 g, while the theoretical yield is 50.0 g. Calculate the percent yield.
Goshia [24]
Percent yield represents to what extent the reaction runs to completion. In this, the theoretical yield is 50 grams (100% completion).

To calculate percent yield, divide the actual by the theoretical. In doing so, the percent yield is 88% (44/50).
3 0
3 years ago
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Give the reason why the empty crucible should be heated before starting the experiment
sdas [7]
To make sure no cracks are in the crucible and also to remove any moisture present in the crucible by the process of heating.
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2 years ago
Which of these particles are classified as hadrons? a. leptons c. mesons b. electrons d. neutrinos
disa [49]
The answer would be mesons.

Hope this image helps you! :)

4 0
3 years ago
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Given that kb for c6h5nh2 is 1.7 × 10-9 at 25 °c, what is the value of ka for c6h5nh3 at 25 °c?
lina2011 [118]

Answer: k_a for C_6H_5NH_3^+ at 25°C is 0.588\times 10^{-4}

Explanation: We are given k_b of C_6H_5NH_2 at 25°C which is 1.7\times 10^{-9}

To calculate the k_a of C_6H_5NH_3^+, we use the formula:

k_w=k_a\times k_b

k_w\text{ at }25^o=1\times 10^{-14}

Putting values in above equation, we get:

1\times 10^{-14}=k_a\times (1.7\times 10^{-9})\\k_a=0.588\times 10^{-5}

7 0
3 years ago
The conversion of cyclopropane to propene in the gas phase is a first-order reaction with a rate constant of 6.7 x 10-4 s -1 at
denpristay [2]

Answer:

C_f=0.1755M

Explanation:

Hello,

Based on the information and the units of the given data, the integrated rate law turns out into:

\frac{dC}{dt}=-kC\\ C_f=C_0exp(-kt)\\C_f=0.25M*exp(-6.7x10^{-4}s^{-1}*8.8min*\frac{60s}{1min} )\\C_f=0.1755M

Best regards.

8 0
3 years ago
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