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4 years ago

When water droplets become large enough in a cloud, it can lead to

Chemistry

2 answers:

I am Lyosha [343]4 years ago

6 0

Answer:

Rain

Explanation:

When small water droplets combine to form larger water droplets, the density of the water droplet increased to a point that is much denser than the atmospheric air. Due to gravity, the large water droplet falls as rain.

vlada-n [284]4 years ago

4 0

Rain , snow and other types of precipitation

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How many atoms of oxygen are present in 7.51 grams of glycine with formula C₂H5O2N?

Blizzard [7]

1.205 × 10²³ atoms of oxygen will be present in 7.51 grams of glycine with formula C₂H5O2N. Details about number of atoms can be found below.

How to calculate number of atoms?

The number of atoms of a substance can be calculated by multiplying the number of moles of the substance by Avogadro's number.

However, the number of moles of oxygen in glycine can be calculated using the following expression:

Molar mass of C₂H5O2N = 75.07g/mol

Mass of oxygen in glycine = 32g/mol

Hence; 32/75.07 × 7.51 = 3.2grams of oxygen in glycine

Moles of oxygen = 3.2g ÷ 16g/mol = 0.2moles

Number of atoms of oxygen = 0.2 × 6.02 × 10²³ = 1.205 × 10²³ atoms

Therefore, 1.205 × 10²³ atoms of oxygen will be present in 7.51 grams of glycine with formula C₂H5O2N.

Learn more about number of atoms at: brainly.com/question/8834373

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3 0

2 years ago

20 grams of H₂S react with 20 grams of O₂. What is the limiting reagent? *

ryzh [129]

Did you ever get the answer?

4 0

3 years ago

What does the quantum number ml describe?

yawa3891 [41]

Answer:

Magnetic Quantum Number (ml): ml = -l, ..., 0, ..., +l. Specifies the orientation in space of an orbital of a given energy (n) and shape (l). This number divides the subshell into individual orbitals which hold the electrons; there are 2l+1 orbitals in each subshell.

8 0

2 years ago

Read 2 more answers

Which of the following is true for a system whose equilibrium constant is much greater than one?

vladimir2022 [97]

Answer:

A) The reaction mixture contains mostly products at equilibrium

Explanation:

For the general reaction

Reactants ⇌ Products

The equilibrium constant is

$K_{\text{eq}} = \dfrac{\text{[Products]}}{\text{[Reactants]}}$

Thus, if K is large, the concentration of products is greater than that of reactants.

The reaction mixture will contain mostly products at equilibrium.

C) and E) are wrong. The equilibrium constant gives us information only on the position of equilibrium, not on how fast it is achieved.

3 0

4 years ago

The air bags in automobiles were once inflated by nitrogen gas generated by the rapid decomposition of

Basile [38]

Answer:

1.57 mol NaN₃

Explanation:

2 NaN₃ (s) → 2 Na (s) + 3 N₂ (g)

First we use PV=nRT to calculate the number of N₂ moles that need to be produced:

P = 1.07 atm

V = 53.4 L

n = ?

R = 0.082 atm·L·mol⁻¹·K⁻¹

T = 23.7 °C ⇒ 23.7 + 273.16 = 296.86 K

Inputing the data:

1.07 atm * 53.4 L = n * 0.082 atm·L·mol⁻¹·K⁻¹ * 296.86

And solving for n:

n = 2.35 mol N₂

Finally we convert N₂ moles into NaN₃ moles, using the stoichiometric coefficients of the balanced reaction:

2.35 mol N₂ * $\frac{2molNaN_3}{3molN_2}$ = 1.57 mol NaN₃

4 0

3 years ago