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Scrat [10]
3 years ago
13

What does the arrangement of the periodic table help scientists see?

Chemistry
1 answer:
lina2011 [118]3 years ago
7 0
The relation between the elements electro negativity, atomic radius, and ionization energy levels.
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What is the solubility of Na2HAsO4 at 60 degrees C
nlexa [21]
C. 65g / 100ml of water
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3 years ago
Find the volume of a gas at standard pressure if its volume at 1.9 atm is 80 ml?
kogti [31]

Answer:

1.5 × 10² mL

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 1.9 atm
  • Initial volume of the gas (V₁): 80 mL
  • Final pressure of the gas (P₂): 1.0 atm (standard pressure)
  • Final volume of the gas (V₂): ?

Step 2: Calculate the final volume of the gas

For an ideal gas, we can calculate the final volume of the gas using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁/P₂

V₂ = 1.9 atm × 80 mL/1.0 atm

V₂ = 1.5 × 10² mL

Since the pressure decreased, the volume of the gas increased.

6 0
3 years ago
Predict what would be formed
Anarel [89]

Answer:

No

Explanation:

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8 0
3 years ago
Which two atoms could be the "before'' and ''after'' of an alpha ejection
spin [16.1K]
The answer would be uranium and thorium. When an alpha ejects a particle, it will create a new atom. So, when uranium ejects an alpha particle, it will produce thorium.  They call this process as the alpha decay. Alpha decay often happens on atoms that are abundant nuclei such as uranium, radium, and thorium.
4 0
3 years ago
An element is a pure substance. It can not easily be broken down into parts by physical means.
liberstina [14]

Answer: An element is a pure substance. It can not easily be broken down into parts by physical means.

A)True

B)False

<u>The answer is true. </u>

7 0
3 years ago
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