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2 years ago

Typically, amides will hydrolyze under ________ conditions than esters. stronger milder more saline less vigorous more dilute.

Chemistry

1 answer:

Virty [35]2 years ago

3 0

Typically, amides will hydrolyze under milder conditions than esters.

So, second option is correct one.

In acidic medium, amide interact with the water molecules to give a carboxylic aid and salt of ammonia or amine salt whereas in a basic medium, amides interacts with water molecules to give carboxylic aid and salt of ammonia or amine salt. An amides will hydrolyze under milder conditions because amide is least reactive than ester. The electronegativiy of nitrogen is less than oxygen. So, nitrogen transfer more electron cloud than oxygen towards carbonyl carbon. So, carbonyl group of amide hydrolysis in milder condition than ester.

To learn more about amides

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The element germanium was once an important component

mario62 [17]

Answer:

The percentage of germanium in germatite is 6.0003%.

Explanation:

Mass of an ore of germanite = 1.00 grams

Mass of germanium chloride = 0.177 grams

Percentage of germanium in germanium chloride = 33.9%

Let the mass of germanium present in germanium chloride be x.

Percentage of an element in a compound:

$\frac{\text{Number of atoms of element}\times \text{Atomic mass of element}}{\text{molecular mass of element}}\times 100$

$33.9\%=\frac{x}{0.177 grams}\times 100$

x = 0.060003 grams

Percentage of germanium in an ore of germanite:

$=\frac{0.060003 gram}{1 gram}\times 100=6.0003\%$

The percentage of germanium in germatite is 6.0003%.

4 0

4 years ago

Which of the following statements is TRUE?

blagie [28]

Answer:

the correct answer is E

Explanation:

None of the options is correct, because entropy is the thermodynamic magnitude that indicates the degree of molecular disorder of a system, in exothermic processes energy or heat is released to the medium and energy is taken from the medium in endothermic processes, entropy if it depends of the temperature since the temperature is what sometimes determines if the process is spontaneous or not, and the delta universe in spontaneous processes is not always greater than zero, it is more frequently less than zero with negative values.

7 0

3 years ago

Help I really need to understand this please show how you do it !!

maks197457 [2]

Answer:

HCl

Explanation:

A limiting reactant is the lowest amount of reactant so that the reaction will stop after all that reactant used.

To answer this question, you have to change all reactant units into moles. You have 52g HCl and its molecular mass is 36.46g/mole. The number of HCl in moles will be: 52g/ (36.46g/mole)= 1.43 moles.

In the balanced reaction formula, you can see that you need one mole of HCl and one mole of NaOH for each reaction. Both molecule's coefficient is 1.

If we used up all NaOH, then the number of HCl left will be:

(moles of NaOH used * NaOH coefficient) - (moles of HCl used * HCl coefficient)

(moles of HCl you have * HCl coefficient) - (moles of NaOH used * NaOH coefficient)

(1.43 moles *1 ) - (2.5 moles*1 ) = -1.07 mole

Since the result is minus, then it means we need more HCl and we can't use all NaOH.

If we used up all the HCl, then the number of NaOH left will be:

(moles of NaOH you have* NaOH coefficient) - (moles of HCl used * HCl coefficient)

(2.5 moles*1 )- (1.43 moles *1 )= 1.07 moles

Since the result is plus, then it means we can use all HCl. Then HCl is the limiting reactant

4 0

3 years ago

Element z reacts with bromine to form an ionic compound zbr2

slamgirl [31]

Explanation:

Physical properties of ZBr₂

The compound is an ionic substance. Therefore it will have properties of ionic compounds. Some of these properties are:

it is a hard solid usually with high melting points or a liquid with high boiling points.
Soluble in water and insoluble in non-polar solvents.
It can conduct electricity in aqueous solutions or in molten form.
it will undergo a fast reaction.

Z is a metal

To form ionic compound, a metal will combine with a non-metal. Bromine is a non-metal and it is expected that Z will be a metal. This is because ionic bonds involves transfer of electron from one specie to the other. Metals are usually the donor and non-metals are the receptor. This is how ionic bond forms. The electrostatic attraction resulting from the ions produced the ionic bond.

Formula of the oxide

Z 0

+2 -2

It is obvious that Z has 2 valence electrons. It will lose the two valence electrons to attain stability.

Oxygen requires 2 electrons to resemble Neon. This combination will give a compound ZO.

Learn more:

ionic compounds brainly.com/question/6071838

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5 0

3 years ago

How many grams of chlorine gas are present in a 150. liter cylinder of chlorine held at a pressure of 1.00 atm and 0. °C? Group

OlgaM077 [116]

Answer:

474 grams of chlorine gas are present in a 150 liter cylinder of chlorine held at a pressure of 1.00 atm and 0 °C

Explanation:

An ideal gas is a theoretical gas that is considered to be composed of randomly moving point particles that do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.

The pressure, P, the temperature, T, and the volume, V, of an ideal gas, are related by a simple formula called the ideal gas law:

P*V = n*R*T

where P is the gas pressure, V is the volume that occupies, T is its temperature, R is the ideal gas constant, and n is the number of moles of the gas.

In this case:

P= 1.00 atm
V= 150 L
n= ?
R= 0.082 $\frac{atm*L}{mol*K}$
T= 0 C= 273 K

Replacing:

1.00 atm* 150 L= n*0.08206 $\frac{atm*L}{mol*K}$ *273 K

Solving:

$n=\frac{1.00 atm* 150 L}{0.08206 \frac{atm*L}{mol*K}*273 K}$

n= 6.69 moles

Being Cl= 35.45 g/mole, the molar mass of chlorine gas is:

Cl₂=2*35.45 g/mole= 70.9 g/mole

So if 1 mole has 70.9 grams, 6.69 moles of the gas, how much mass does it have?

$mass=\frac{6.69 moles*70.9 grams}{1 mole}$

mass= 474.321 grams ≅ 474 grams

474 grams of chlorine gas are present in a 150 liter cylinder of chlorine held at a pressure of 1.00 atm and 0 °C

4 0

3 years ago