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rosijanka [135]
2 years ago
13

Which of the following is not a trend that varies systematically in the periodic table

Chemistry
2 answers:
UNO [17]2 years ago
5 0

Answer:

B: Symbols of Elements

Explanation:

juin [17]2 years ago
3 0

Answer: B: Symbols of Elements

Explanation:

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The volume of a gas is decreased from 100 liters at 173.0°C to 50 liters at a constant pressure. After the decrease in volume, w
Minchanka [31]

Answer:

223.08 K

Explanation:

First we <u>convert 173.0 °C to K</u>:

  • 173.0 °C + 273.16 = 446.16 K

With the absolute temperature we can use <em>Charles' law</em> to solve this problem:

  • T₁V₂=T₂V₁

Where in this case:

  • T₁ = 446.16 K
  • V₂ = 50 L
  • T₂ = ?
  • V₁ = 100 L

We <u>input the data</u>:

  • 446.16 K * 50 L = T₂ * 100 L

And <u>solve for T₂</u>:

  • T₂ = 223.08 K
5 0
2 years ago
This is the chemical equation for the production of ammonia (chemical formula: NH3) from Nitrogen and Hydrogen (N2 and H2):
scoray [572]

Answer:

Honestly, I'm not even sure what the incorrect student was trying to do. The correct answer is:

( ) = the number of elements

(1)N2 and (3)H2

I think the student added the N2 and H2 to "balance" the chemical equation when instead they should have tried the balance the equation by making sure the atoms on the reactant side are equal to the atoms on the product side. You do this by multiplying the atoms on the reactant side until they equal the product side (not by adding them, as the student did).

8 0
2 years ago
When forming a chemical bond only the ________ electrons participate in the bonding process.
matrenka [14]
The outer shell electrons are only involved in the bonding process since they are the only 'incomplete' shell and it needs to be fulfilled by another element. 
8 0
3 years ago
Read 2 more answers
A genetic mutation that causes abnormal cells to rapidly reproduce and divide often leads to ___________.
kari74 [83]

Answer:

cancer.

Explanation:

cancer is caused by abnormal cell division mechanism

6 0
3 years ago
Read 2 more answers
How much cesium (half-life = 2 years) would remain from a 10 g sample after 4 years?
Ksenya-84 [330]
It would be 2.5 g or A.
7 0
2 years ago
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