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andrew11 [14]
2 years ago
13

What makes a charged object attract an uncharged object?

Chemistry
1 answer:
Ratling [72]2 years ago
7 0

Answer:

its c I think C)

 

The reason for this is due to the phenomenon called "Charging by Induction". What that means is that when something with a charge, for example a negative charge, is brought near an uncharged one, it induces the opposite charge onto it (positive in this case) and therefore since opposites attract, it attracts it.

The reason for this is that since, just like a positive magnet rejects and pushed away like charges, the electrons hold a negative charge, they push away any electrons that may be in the neutrally charged item causing only protons to be left, thus creating an oppositely charged object. Or vice versa.

So whatever charge the object has, it induces the opposite charge into the uncharged object, causing the charges to move only in the uncharged one.

Explanation:

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How much heat is given off when you freeze 95.7 g of water?
vazorg [7]

Answer:

Hey kimalonzo59!

· Calculate specific heat as c = Q / (mΔT). In our example, it will be equal to c = -63,000 J / (5 kg * -3 K) = 4,200 J/ (kg·K). This is the typical heat capacity of water.

<em>I hope this Helps, Have an Awesome Day!</em>

<em>~ Chloe Marcus ❤</em>

7 0
2 years ago
Read 2 more answers
A 1.50 L sample of H₂ gas at 3.50 atm was combined with 2.00 L of N₂ gas at 2.55 atm pressure at a constant temperature of 25.0
Mademuasel [1]

Answer:

The total pressure in the flask is 1,14 atm

Explanation:

We need to apply the Ideal Gas law to get the moles and then find out the total moles in the mixture

moles H2 + moles N2

P.V = n. R . T

1,50 L . 3,50atm = n . 0,08206  (L*atm)/(mol*K) . 298K

(1,50 L . 3,50atm) / 0,08206 (mol*K)/(L*atm) . 298K = n

(5,25 / 24,45) mol = n = 0,215 moles H2

2,55 atm . 2,00 L = n . 0,08206  (L*atm)/(mol*K) . 298K

(2,55 atm . 2,00 L) / 0,08206 (mol*K)/(L*atm) . 298K = n

(5,1 / 24,45) mol = n = 0,208 moles N2

Total moles = moles H2 + moles N2

0,215 moles H2 + 0,208 moles N2 = 0,423 moles

P.V = n. R . T

P . 9,10L = 0,423moles . 0,08206  (L*atm)/(mol*K) . 298K

P = (0,423moles . 0,08206 (L*atm)/(mol*K) . 298K ) / 9,10L

P = 1,14 atm

3 0
3 years ago
The formula for a compound of Li+ ions and Br- ions is written LiBr. Why can’t it be written Li2Br? Why isn’t it written BrLi?
maksim [4K]

Lithium has charge of +1 and bromide has charge of - 1. So they combine to form the compound lithium bromide which is expressed as LiBr.

<h3><u>Explanation:</u></h3>

Lithium is an alkali metal placed in group 1 or periodic table. It has a valency of 1 which is achieved as lithium loses an electron to achieve a charge of +1.

Bromine is a halogen which is placed in group 17 of periodic table. It has a valency of 1 which is achieved as bromine looses an election to achieve a charge of - 1.

Lithium is the cation and bromide is the anion. So lithium is written in front and bromine following the cation. And as both of their valencies are 1, so they form the compound LiBr.

3 0
3 years ago
Help me please :3 :3 :3 ;3
GarryVolchara [31]
B because, it just that one yellow bulb that will operate. only the white bulb will make them all operate.
6 0
3 years ago
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The rate constant for the first-order decomposition of n2o is 3.40 s-1. what is the half-life of the decomposition?
stiks02 [169]

Hey There:

First order  half life equation :

T 1/2  = ln ( 2 ) /K

T 1/2 = 0.693 / 3.40

T 1/2 = 0.204 s

Answer B

3 0
3 years ago
Read 2 more answers
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