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AVprozaik [17]
2 years ago
5

1) Why does the spinning motion cool the wet bulb thermometer in a sling psychrometer when there is less humidity in the air?

Chemistry
1 answer:
disa [49]2 years ago
6 0

Answer:1)Once the wick is wet, hold the handle and whirl the psychrometer in the air. Whirling generates airflow around both the wet and dry bulbs. This action allows water in the saturated wick to evaporate, thereby reducing the temperature of the wet-bulb thermometer.

2)The rate of evaporation from the wet bandage on the bulb, and the temperature difference between the dry bulb and wet bulb, depends on the humidity of the air. The evaporation is reduced when the air contains more water vapor.

Explanation:

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(CH3)2.CBr. CH3<br> What it’s iupac name?
kicyunya [14]

Answer:

2 - Bromo - 2 - Methyl Propane

Explanation:

The structure of the compound is given in the attached image as;

The longest chain is; CH₃--C--CH₃ = 3 carbon atoms = Propane

It has two substituents on the middle carbon = CH₃  and  Br = 2 - Bromo- and 2 - Methyl

The IUPAC name is given as; 2 - Bromo - 2 - Methyl Propane

8 0
3 years ago
A chemist needs to neutralize 25.5 L of 3.86 M chloric acid (HClO3). What mass of sodium hydroxide is
Karolina [17]

Answer:

3.94 × 10³ g

Explanation:

Step 1: Write the neutralization reaction

HClO₃ + NaOH = NaClO₃ + H₂O

Step 2: Calculate the moles of chloric acid that react

25.5 L of 3.86 M chloric acid is to be neutralized. The reacting moles are:

25.5L \times \frac{3.86mol}{L} =98.4mol

Step 3: Calculate the required moles of sodium hydroxide

The molar ratio of HClO₃ to NaOH is 1:1. Then, the reacting moles of NaOH are 98.4 moles.

Step 4: Calculate the mass of sodium hydroxide corresponding to 98.4 moles

The molar mass of NaOH is 40.00 g/mol.

98.4mol \times \frac{40.00g}{mol} =3.94 \times 10^{3} g

6 0
3 years ago
Describe the Self-Consistent Field (SCF) method for obtaining the orbitals of a Boron atom​
weqwewe [10]
<h3>What is Self-Consistent Field (SCF)?</h3>

This is used in quantum chemical models to accurately calculate the amount

of orbitals present in an element.

The Self-Consistent Field (SCF) method for obtaining the orbitals of a

Boron atom​ involves the following processes which include:

  • Selecting an approximate Hamiltonian
  • Solving the Schrödinger equation to obtain a more accurate set of orbitals.
  • Solving the Schrödinger equation again until the results converge.

The converging of the result typically signified the end of the solving of the

equations  and the derivation of the orbitals of the Boron atom.

Read more about Orbitals here brainly.com/question/26000020

6 0
3 years ago
If I have 6.02x10^23 atoms of silicon, how many grams of silicon do I have?
Cerrena [4.2K]
You have 1 mol of silicon atoms.  Therefore you have its atomic mass in grams.  The answer is 28.055 g of silicon.
8 0
3 years ago
Determine the element of lowest atomic number that contains a half-filled d subshell in the ground state?
strojnjashka [21]

Answer is: chromium (Cr).

Chromium with atomic number 24, it means it has 24 protons and 24 electrons.

Electron configuration of chromim atom: ₂₄Cr 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹.

In chromium, half full d-sub level (3d) is more stable than a partially filled d sub-level (3d⁴), thai is why an electron from the 4s orbital goes to a 3d orbital.

8 0
3 years ago
Read 2 more answers
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