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Tpy6a [65]
3 years ago
8

3 Consider the reaction :

Chemistry
1 answer:
ss7ja [257]3 years ago
7 0

Answer:

(a) The rate at which ammonia being formed = 0.0493 M/s

(b) The rate at which molecular nitrogen reacting = 0.0247 M/s

Explanation:

N_{2}+3H_{2}\longrightarrow2NH_{3}

The rate at which molecular hydrogen is reacting = \frac{d}{dt}[H_{2}]=0.074\:M/s

The rate of the above reaction can be expressed as:

rate=-\frac{d}{dt}[N_{2}]=-\frac{1}{3} \frac{d}{dt}[H_{2}]=\frac{1}{2}\frac{d}{dt}[NH_{3}]

(a) \frac{d}{dt}[NH_{3}]=\frac{2}{3}(0.074)=0.0493

The rate at which ammonia being formed = 0.0493 M/s

(b) -\frac{d}{dt}[N_{2}]=\frac{1}{3}(0.074)=0.0247

The rate at which molecular nitrogen reacting = 0.0247 M/s

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6 0
3 years ago
What do we call the harmful substances that have a negative effect on the environment? *
kumpel [21]

Answer: A.  Pollutants

Explanation:

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3 years ago
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How many water molecules are created when 32 grams of oxygen react completely with 4.0 grams of hydrogen?
ch4aika [34]

Answer:

d. 1.2 × 1024

Explanation:

From the equation of reaction

2H2 + O2= 2H2O

i.e 2mole(4g) of hydrogen requires 1 mole(32g) of oxygen to produce 2mole (2×6.02×10^23 molecules) of H2O= 1.2×20^24 molcules of water.

NB: 1 mole of H2O contains 6.02×10^23 molecules of H2O

3 0
3 years ago
Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. it is often called the
Tema [17]

Water is often referred as a <span>universal solvent </span>because it is capable dissolving much more solutes as compared to any other solvent.  This is because, water is a high polar molecule. In water, H has partial positive charge while O has partial negative charge. 


Due to this, water favors dissociation of molecules into positively and negatively charged ions. Positively charge ions gets attracted  towards oxygen i.e. negatively charges, while negatively charged ions get attracted towards positive end of water molecule. 


However, it is worth nothing that, despite water being referred as universal solvent, many compounds are insoluble or partially soluble in water. For instance, most of the hydroxide displays poor solubility in water.

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3 years ago
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Diano4ka-milaya [45]

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mg are converted to grams and then the grams are converted to moles as:

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= 3.40*10^-^6 moles of aspartame

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3 years ago
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