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Morgarella [4.7K]
2 years ago
10

BRAINLIEST ASAP! I NEED HELP PLEASE..

Chemistry
1 answer:
AfilCa [17]2 years ago
5 0

Answer:

Intensive

Explanation:

Intensive because it only depends on the type of matter and not the amount. Overall, I say intensive because it will not change when you change the amount of matter.

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For the simple decomposition reactionAB(g)→ A(g) + B(g)Rate =k[AB]2 and k=0.2 L/mol*s . How long will it takefor [AB] to reach 1
mixer [17]

Answer:

6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.

Explanation:

Rate = k[AB]^2

The order of the reaction is 2.

Integrated rate law for second order kinetic is:

\frac{1}{[A_t]} = \frac{1}{[A]_0}+kt

Where, [A_0] is the initial concentration  = 1.50 mol/L

[A_t] is the final concentration  = 1/3 of initial concentration = \frac{1}{3}\times 1.50\ mol/L = 0.5 mol/L

Rate constant, k = 0.2 L/mol*s

Applying in the above equation as:-

\frac{1}{0.5} = \frac{1}{1.50}+0.2t

\frac{1}{1.5}+0.2x=\frac{1}{0.5}

t = 6.66\ s

<u>6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.</u>

5 0
3 years ago
HELP PLEASE!! ASAP What would the mass be in kg?
fgiga [73]

Answer:

i guess answer is 0.0600

Explanation:

Here,

Density=0.791g/cm^3

Volume=75.89ml

So,

Mass=Density*Volume

=0.791g/cm^3×75.89ml

=60.02g/cm^3.ml

Expressing them in kg

60.02/1000

=0.0600 kg

4 0
2 years ago
HELPPPP PLEASEE!!!!!!!
OlgaM077 [116]

I think the answer is yes

3 0
2 years ago
Read 2 more answers
Which is the study of the processes within living organisms?
rewona [7]
Biology, I believe xx
7 0
3 years ago
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Write the balanced chemical reaction for the following nitrogen cycle reactions. These reactions are mediated by bacteria and pl
Leto [7]

Answer:

Nitrification is a biological process by which ammonia is oxidized to nitrites (NO_{2} ^{-}) and then to nitrates (NO_{3} ^{-}) by action of specialized bacteria in nature (such as <em>nitrosomonas</em> and <em>nitrobacter</em>).

Explanation:

This two-step process utilizes molecular atmospheric oxygen and ammonia and ammonium components of soil and nature.

<em>(a.) Ammonia and ammonium compounds to nitrite</em>

NH_{4} ^{+} + O_{2} → NO_{2} ^{-} + 4H^{+}

2NH_{3} ^{+} + 3O_{2} → 2NO_{2} ^{-} + 2H^{+} + 2H_{2} O

<em>(b.) Nitrite to nitrate</em>

2NO_{2} ^{-} + O_{2} → 2NO_{3} ^{-} + energy

<em>(c.) The reverse process involves reduction of nitrates to molecular nitrogen, called denitrification (with succinic acid in the equation below).</em>

4NO_{3} ^{-} + 10H^{+} + (CH_{2})_{2}(COOH)_{2} → 2N_{2} +4CO_{2}  + 8 H_{2} O

(NO and N_{2}O is an intermediate product in this process.)

4 0
3 years ago
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