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3 years ago

-Which of the following best explains how human activities can directly contribute to landslides?

Chemistry

1 answer:

Alborosie3 years ago

8 0

Humans disturb the earth and because of this, the earth is weakened

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Why Thioacetamide is heated?

Akimi4 [234]

Thioacetamide is a synthetic, colorless crystalline solid that is soluble in water and ethanol. Thioacetamide is currently only used as a replacement for hydrogen sulfide in qualitative analysis. When heated to decomposition, it emits toxic fumes of nitrogen oxides and sulfur oxides.

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3 years ago

Read 2 more answers

Which of the following are correct about nodal planes in molecular orbitals? There may have more than one correct answers. Pictu

azamat

Explanation:

I'll give you a real answer later need points for test questions sorry

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3 years ago

108.95 g/mol, C3H2Cl2 Express your answer as a chemical formula.

fredd [130]

Answer:

gchxlhxhkxhkxohxhochlc

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3 years ago

Making solutions is an extremely important component to real-life chemistry. If you make 3.00 L of a solution using 90.0 g of so

kumpel [21]

Answer:

Final concentration of NaOH = 0.75 M

Explanation:

For $NaOH$ :-

Given mass = 90.0 g

Molar mass of NaOH = 39.997 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{90.0\ g}{39.997\ g/mol}$

$Moles\ of\ NaOH= 2.2502\ mol$

Molarity is defined as the number of moles present in one liter of the solution. It is basically the ratio of the moles of the solute to the liters of the solution.

The expression for the molarity, according to its definition is shown below as:

$Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}$

Where, Volume must be in Liter.

It is denoted by M.

Given, Volume = 3.00 L

So,

$Molarity=\frac{2.2502\ mol}{3.00\ L}=0.75\ M$

<u>Final concentration of NaOH = 0.75 M</u>

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3 years ago

Write the chemical reaction for ammonia in water

Otrada [13]

NH3 + H2O -> NH4+ + OH- is the answer I think I just did this in class today

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3 years ago