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belka [17]
3 years ago
10

Which of the analogies below is a location-based analogy?

Chemistry
1 answer:
nydimaria [60]3 years ago
4 0
D is the correct answrt
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In general for main-group elements, atomic size _____ from left to right across a period and _____ down a group.
liberstina [14]

Answer:

decreases, increases

Explanation:

In general for main-group elements atomic size decreases from left to right across a period and increases down a group

8 0
2 years ago
Ethanol has the chemical formula C2H5OH. Write and balance the chemical reaction for the combustion of ethanol​
worty [1.4K]

Answer:

C2H5OH(l)+3O2(g)⟶2CO2+3H2O(l)

Explanation:

4 0
3 years ago
A sample of hydrogen gas at a pressure of 0.926 atm and a temperature of 29.5 C, occupies a volume of 457 mL. If the gas is allo
klio [65]

Answer:

V₂ = 946.72 mL

Explanation:

Given data;

Initial pressure = 0.926 atm

Initial volume = 457 mL

Temperature = constant = 29.5°C

Final pressure = 0.447 atm

Final volume = ?

Solution:

The given problem will be solved through the Boyle's law,

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

by putting values,

P₁V₁ = P₂V₂

0.926 atm × 457 mL = 0.447 atm × V₂

V₂ = 423.18 atm. mL/ 0.447 atm

V₂ = 946.72 mL

4 0
3 years ago
How could a blizzard affect a rabbit?
zloy xaker [14]
The rabbit could die
8 0
3 years ago
What is the composition of Gilsonite?
nekit [7.7K]

Answer:

Roughly C100 H140 N3 O

Explanation:

Gilsonite is a bituminous product that resembles shiny black obsidian.

It contains more than 100 elements.

Its mass composition varies but is approximately 84 % C, 10 % H, 3 % N, and 1 % O.

Its empirical formula is roughly C100 H140 N3 O.

3 0
3 years ago
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