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3 years ago

Calcium nitrate, Ca(NO3)2 , is a(n) ___________________.

Chemistry

2 answers:

Aleonysh [2.5K]3 years ago

6 0

B. Compound

Calcium nitrate is an inorganic compound

Serhud [2]3 years ago

5 0

It is a compound. This is because it is organic so it is therefore a compound.

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A food processing plant discharges 40 cfs (cubic feet per second) of process water containing an ultimate BOD (L0) of 25 mg/L an

Feliz [49]

Answer:

The right solution according to the question is provided below.

Explanation:

According to the question,

(a)

The initial conditions will be:

DO = $\frac{(40\times 1.8)+(260\times 7.6)}{40+260}$

= $\frac{2048}{300}$

= $6.826 \ mg/L$

The initial oxygen defict will be:

Do = $8.5-6.826$

= $1.674 \ mg/L$

The initial BOD will be:

Lo = $\frac{(40\times 25)+(260\times 3.6)}{40+260}$

= $\frac{1936}{300}$

= $6.453 \ mg/L$

(b)

The time reach minimum DO:

tc = $\frac{1}{(kr-kd)} ln{(\frac{0.76}{0.61} )[1-\frac{1.674(0.76-0.61)}{0.61\times 6.453} ]}$

= $\frac{1}{0.15}\times ln \ 1.158$

By putting the values of log, we get

= $0.973 \ days$

The distance to reach minimum DO will be:

Xc = $\frac{1.1\times 3600\times 24}{5280}\times 0.973 \ days$

= $18\times 0.973$

= $17.5 \ miles$

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3 years ago

Be sure to answer all parts. find the most acidic hydrogen in tert−butyl methyl ketone and write a chemical equation for the pro

sleet_krkn [62]

Those Hydrogen atoms which are present at alpha position to carbonyl group are mildly acidic in nature. When such acidic proton containing carbonyl compounds are treated with strong base, they yield enolates. The negative charge created on alpha carbon resonates and shifts to carbonyl oxygen resulting in formation of carbon double bond carbon.

In tert−butyl methyl ketone there are two carbons at each alpha position. Among these two carbons only methyl carbon contains hydrogen atoms while the second one is bonded to further three carbons making it Quaternary carbon. The base abstracts proton from methyl group and enolate is formed.

tert−butyl methyl ketone in this case acts as acid, Hydroxyl ion acts as base, while the enolate generated is the conjugate base of tert−butyl methyl ketone and Water produced is the conjugate acid of hydroxide ion.

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3 years ago

Describe what happens to the potential energy and the kinetic energy of a ball as it rolls down a hill from a position of rest a

NemiM [27]

Potential energy is turned in to kinetic and kinetic I believe is being used in motion. potential means stored kentic means energy of movement.

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3 years ago

Explain the separation of the components of the given mixture Mercuric Chloride, Iron Powder

valkas [14]

Answer:

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Explanation:

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3 years ago

What fundamental unit of the metric system always has a prefix in front of it?

nexus9112 [7]

Answer:

Kilogram

Explanation:

The metric system is the Kilogram, meter, second system. These are fundamental quantities of the metric system.

Kilogram, the unit of mass always carries the prefix 'kilo' in its SI unit. Kilogram is the SI unit of mass. Hence, the fundamental unit on the metric system that always has a prefix in front of it is kilogram.

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3 years ago