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2 years ago

A

Chemistry

2 answers:

nydimaria [60]2 years ago

8 0

Answer:

conundrum

Explanation:

its not bias or impass

MArishka [77]2 years ago

7 0

Answer:

B. bias

Explanation:

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What is the difference between a conductor and an insulator?

Zielflug [23.3K]

A conductor is what helps heat or electricity pass through an object. Examples of conductors are, silver, iron, aluminum, etc..

An insulator does the opposite and instead, stops either from going through. Examples of an insulator is paper, wood, rubber, etc.

5 0

1 year ago

Frederica is sitting on a moving train. She watches the telephone poles fly past. She knows that the poles in this area are 1/4

kupik [55]

B
1 mile=4 poles
if 5 poles pass by than she´s going around 1.25 miles per min
rounded up = 1.3 mil/min

8 0

3 years ago

Mary discovered that the cell membrane of a bacteria act like a fence because it keeps some things in and other things out

Diano4ka-milaya [45]

Answer:

The Answer is B. Analogy

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3 years ago

Read 2 more answers

A balloon under 14.7 atm of pressure at 273K gets left in a car in Florida and the temperature increases to 303K. What is the ne

Firdavs [7]

Answer:

The new pressure in the balloon is 16.3 atm

Explanation:

Gay-Lussac's law establishes the relationship between the temperature and the pressure of a gas when the volume is constant.

This law establishes that pressure and temperature are directly proportional quantities, that is to say that if the temperature increases the pressure increases and if the temperature decreases the pressure decreases.

Mathematically, Gay-Lussac's law states that, when a gas undergoes a constant volume transformation, the quotient of the pressure exerted by the gas temperature remains constant:

$\frac{P}{T}=k$

When you want to study two different states, an initial one and a final one, of a gas, you can use the expression:

$\frac{P1}{T1}=\frac{P2}{T2}$

In this case:

P1= 14.7 atm
T1= 273 K
P2= ?
T2= 303 K

Replacing:

$\frac{14.7 atm}{273 K}=\frac{P2}{303 K}$

Solving:

$P2=303K*\frac{14.7 atm}{273 K}$

P2= 16.3 atm

<u><em>The new pressure in the balloon is 16.3 atm</em></u>

4 0

2 years ago

Give the electron configuration for the following atoms using appropriate noble gas inner core abbreviation: Bi Cr Sr P 2. Give

malfutka [58]

Answer:

See explanation

Explanation:

The noble gas core electron configuration involves writing the inert gas core of an atom followed by the valence electrons. This is shown for the following atoms;

Bismuth;

[Xe]4f14 5d10 6s2 6p3

Chromium;

[Ar]4s1 3d5

Strontium;

[Kr]5s2

Phosphorus;

[Ne]3s2 3p3

6p- n=6, l= 1, ml= 1, ms= 1/2

3d- n=3, l=2, ml=2,ms=1/2

5s- n=5, l=0, ml=0, ms=1/2

3p- n=3, l= 1, ml= 1, ms=1/2

a) Tin (Sn) - [Kr] 5s2 4d10 5p2

b) Caesium (Cs)- [Xe] 6s1

c) Copper (Cu)- [Ar] 4s1 3d10

4 0

2 years ago