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3 years ago

Balance the equation _C4H6O3 +H2O –>___C2H4O2

Chemistry

1 answer:

netineya [11]3 years ago

4 0

Answer:

on the last underline, put a 2

Explanation:

leave the first two blank

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A chemistry student is experimentally determining the boiling point

Hunter-Best [27]

Answer:

Option (e) should be discarded.

Explanation:

The given set of data is said to be precise if the values are close to each other. In this problem, a chemistry student is experimentally determining the boiling point of bromine.

In this case, all values are close to each other but option (e) i.e. 56.3° should be discarded to make his data precise.

4 0

4 years ago

An industrial synthesis of urea obtains 87.5 kg of urea upon reaction of 68.2 kg of ammonia with excess carbon dioxide. Determin

dolphi86 [110]

Answer:

The theoretical yield of urea = <u>120.35kg</u>

The percent yield for the reaction = <u>72.70%</u>

Explanation:

Lets calculate -

The given reaction is -

$2NH_3(aq)+CO_2$ → $CH_4N_2O(aq)+H_2O (l)$

Molar mass of urea $CH_4N_2O$ = 60g/mole

Moles of $NH_3$ = $\frac{62.8kg/mole}{17g/mole}$ (since $Moles=\frac{mass of substance}{mass of one mole}$ )

= 4011.76 moles

Moles of $CO_2$ = $\frac{105kg}{44g/mole}$

= $\frac{105000g}{44g/mole}$

= 2386.36 moles

Theoritically , moles of $NH_3$ required = double the moles of $CO_2$

but , $4011.76$ , the limiting reagent is $NH_3$

Theoritical moles of urea obtained = $\frac{1 mole CH_4N_2O}{2mole NH_3}\times4011.76 mole NH_3$

= $2005.88mole CH_4N_2O$

Mass of 2005.88 mole of $CH_4N_2O$ = $2005.88 mole \times\frac{60g CH_4N_2O}{1mole CH_4N_2O}$

= 120352.8g

$120352.8g\times \frac{1kg}{1000g}$

= 120.35kg

Therefore , theroritical yeild of urea = 120.35kg

Now , Percent yeild = $\frac{87.5kg}{120.35kg}\times100$

72.70%

Thus , the percent yeild for the reaction is 72.70%

8 0

3 years ago

Inessa [10]

Answer:

Explanation:

2266mm Hg

4 0

3 years ago

Read 2 more answers

Which of the following liquids is most volatile? Select one: a. cooking oil b. motor oil c. alcohol d. water

LenaWriter [7]

Answer:

Alcohol.

Explanation:

It has the lowest boiling point and high vapour pressure.

7 0

3 years ago

Plssss help meeeeeeee

Montano1993 [528]

All you need to do is to look at both sides of the equation and see who has the same element, state, coefficient, and charge and those will be your spectator ions.

In this question, the spectator ions would be $Na^{+}$ and $Cl^{-}$ .

6 0

2 years ago

Balance the equation ___C4H6O3 +__H2O –>___C2H4O2

Balance the equation _C4H6O3 +H2O –>___C2H4O2