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3 years ago

Naming compounding N2O

Chemistry

1 answer:

solniwko [45]3 years ago

6 0

Answer:

Nitrogenous oxide/ nitrogen oxide

Explanation:

N2O is nitrogen oxide

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Note the molecular mass of a copper(I) oxide molecule in the image below. What is the mass of 8.250 moles of Cu2O?

xz_007 [3.2K]

Answer : The mass of copper(I) oxide is, 1180.5 grams.

Explanation : Given,

Moles of copper(I) oxide = 8.250 mol

Molar mass of copper(I) oxide = 143.09 g/mol

Formula used:

$\text{ Mass of copper(I) oxide}=\text{ Moles of copper(I) oxide}\times \text{ Molar mass of copper(I) oxide}$

Now put all the given values in this formula, we get:

$\text{ Mass of copper(I) oxide}=(8.250moles)\times (143.09g/mole)=1180.5g$

Therefore, the mass of copper(I) oxide is, 1180.5 grams.

5 0

3 years ago

These two beakers represent solutions of HCl and NaOH. Describe a third beaker showing the ions that remain after the reaction h

DENIUS [597]

Number of ions in the third beaker:

4 Cl⁻ ions

5 Na⁺ ions

1 OH⁻ ion

Explanation:

If you mix the backers the following chemical reaction will occur:

HCl + NaOH → NaCl + H₂O

In the ionic form you write the equation:

H⁺ (aq) + Cl⁻ (aq) + Na⁺ (aq) + OH⁻ (aq) → Cl⁻ (aq) + Na⁺ (aq) + H₂O (l)

where:

(aq) - aqueous (dissolved in water)

(l) - liquid

Number of ions in the first beaker:

4 Cl⁻ ions

4 H⁺ ions

Number of ions in the second beaker:

5 Na⁺ ions

5 OH⁻ ions

Number of ions in the third beaker:

4 Cl⁻ ions

5 Na⁺ ions

1 OH⁻ ion

The rest of H⁺ and OH⁻ ion reacted to form water.

Learn more about:

ions

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7 0

3 years ago

A solid mixture consists of 47.6g of KNO3 (potassium nitrate) and 8.4g of K2SO4 (potassium sulfate). The mixture is added to 130

IgorLugansk [536]

<u>Answer:</u> No crystals of potassium sulfate will be seen at 0°C for the given amount.

<u>Explanation:</u>

We are given:

Mass of potassium nitrate = 47.6 g

Mass of potassium sulfate = 8.4 g

Mass of water = 130. g

Solubility of potassium sulfate in water at 0°C = 7.4 g/100 g

This means that 7.4 grams of potassium sulfate is soluble in 100 grams of water

Applying unitary method:

In 100 grams of water, the amount of potassium sulfate dissolved is 7.4 grams

So, in 130 grams of water, the amount of potassium sulfate dissolved will be $\frac{7.4}{100}\times 130=9.62g$

As, the soluble amount is greater than the given amount of potassium sulfate

This means that, all of potassium sulfate will be dissolved.

Hence, no crystals of potassium sulfate will be seen at 0°C for the given amount.

7 0

3 years ago

What are the properties of the aluminum in the can? Check all that apply.

vladimir2022 [97]

Answer:

It is solid

Explanation:

Well a can i hard and solid because it is metal

8 0

3 years ago

Work is a product of?

Gwar [14]

C) FORCE AND DISTANCE

5 0

3 years ago