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2 years ago

What is the conjugate acid of hydroxylamine??

1 answer:

andrey2020 [161]2 years ago

6 0

The conjugate acid of hydroxylamine it means, CHEBI:15429<span> </span><span>is conjugate acid of </span>aminooxidanide, it means CHEBI:29773.

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PLZ HELP What human body system includes the stomach, intestines, and teeth?

andrey2020 [161]

Answer:

Explanation:

the digestive system

5 0

3 years ago

A pan containing 20 grams of water was allowed to cool from temperature of 95 degrees C. If the amount of heat released is 1200

mina [271]

Answer:

81 °C

Explanation:

I don’t know, I just know :)

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2 years ago

The vapor pressure of liquid iodomethane, CH3I, is 40.0 mm Hg at 249 K.A sample of CH3I is placed in a closed, evacuated contain

lora16 [44]

Explanation:

It is given that vapor pressure of liquid iodomethane is 40.0 mm Hg. So, if we calculate the vapor pressure according to the given values and if its value will be greater than the the given vapor pressure of iodomethane then it means that some of the vapors has converted into liquid state.

As the given values are as follows.

$P_{1}$ = 72.0 mm Hg, $T_{1}$ = 404 K

$P_{2}$ = ? , $T_{2}$ = 249 K

As volume is constant so, according to Gay-Lussac's law pressure is directly proportional to temperature.

$P \propto T$ (at constant volume)

or, $\frac{P}{T}$ = k

Therefore, the formula to calculate the value of $P_{2}$ is as follows.

$\frac{P_{1}}{T_{1}}$ = $\frac{P_{2}}{T_{2}}$

$\frac{72.0 mm Hg}{404 K}$ = $\frac{P_{2}}{249 K}$

$P_{2}$ = 44.37 mm Hg

As calculated vapor pressure is more than the given vapor pressure. Hence, the liquid will convert into gas.

As a result, no condensation will occur and only vapors of iodomethane will be present.

5 0

2 years ago

20 ml of a solution of sucrose contains 850 mg of sucrose. What is the weight/volume percentage concentration of this solution i

MissTica

<h3>Answer: 4.25 g/ml %</h3>

Explanation:

weight/volume percentage concentration = (mass in g ÷ volume) × 100

= (0.850 g ÷ 20 ml) × 100

= 4.25 g/ml %

∴ the weight/volume percentage concentration of the sucrose solution is 4.25 g/ml %.

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2 years ago

The periodic table of the elements lists the elements in order of increasing atomic number. Each element has its own unique squa

Vesna [10]

Answer:

A) They all have 12 protons.

Explanation:

Magnesium has an atomic number of 12 which means it has 12 protons. All Magnesium atoms have 12 protons, the neutrons however may differ which produces things called isotopes where the atoms have same protons but neutrons change.

Keep in mind the atomic number is unique to each element, so 12 atomic number will always be Magnesium, 1 will always be Hydrogen and so on.....

6 0

2 years ago