Chemistry College

state the difference between a conductor and an insulator.
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Answers

Answer 1

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A conductor allows current to flow easily through it. An Insulator doesn't allow current to flow through it. Electric charge exists on the surface of conductors. Electric charges are absent in insulators.

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Related Questions

which molecule has zero polarity

Answers

Answer:

Carbon dioxide

Explanation:

The oxygen atoms are more electronegative than the carbon atom, so there are two individual dipoles pointing outward from the C atom to each O atom. However, since the dipoles are of equal strength and are oriented this way, they cancel out and the overall molecular polarity of CO 2 is zero.

Answer:

CO2 has zero polarity

hope this helps:)

Correctly predict the ionic compound that would form between the atoms rubidium (Rb) and oxygen (O).

Answers

Answer:

Rb2O

Explanation:

Rb is a 1+ element and Oxygen is a 2- element. To have a neutral overall charge you must change the molar ratio to have 2 (1+ elements) and 1 (2- element). Together add to 2+(-2)=0. So the overall product is neutral.

Binary molecules have



A) multiple (2+) or many elements bonded ionically & covalently.



B) 2 elements ionically bonded.



C) 2 elements covalently bonded.



D) 1 element covalently bonded.

Answers

Answer:

C

Explanation:

It is formed as a result of a reaction between two non-metals

Your mom buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass of helium (He), expressed in grams, does this balloon contain?

Answers

Answer:

2.8 g

Explanation:im not 100%

According to ideal gas equation and STP conditions, mass of helium is 7.04×10[tex]^-2[/tex] g.

What is ideal gas equation?

The ideal gas equation is a equation which is applicable in a hypothetical state of an ideal gas.It is a combination of Boyle's law, Charle's law,Avogadro's law and Gay-Lussac's law . It is given as, PV=nRT where R= gas constant whose value is 8.314.The law has several limitations.The law has been proposed by Paul Emile Clapeyron, a physicist and an engineer in 1834.The law is applicable to only ideal gases at all temperature and pressure.

In the given problem, pressure= 1 atmosphere , volume=4 liters, molar mass= 4 g/mole ,R=8.314 , T= 273 K.

mass= PV×molar mass/RT=1×4×4/8.314×273=16/2269.722=7.04×10[tex]^-2[/tex] g.

Thus, the mass of helium gas is 7.04×10[tex]^-2[/tex] g.

Learn more about ideal gas equation,here:

https://brainly.com/question/28837405

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Bonding with intermolecular forces:

1.) is CH3OH a hydrogen bonding? yes or no?

2.) is CH3OH dipole-dipole interactions? Yes or no?

3.) is CH3OH a london dispersion forces? Yes or no?

Answers

Answer:

its Methanol

Explanation:

1). Yes, CH3OH can form bonds (hydrogen bonds) with other CH3OH molecules.

2).Yes

3).Yes, it is a type of interaction created between non polar molecules.

What units are carbon emissions measured in?

Answers

Answer:

GHG emissions are often measured in carbon dioxide (CO2) equivalent. To convert emissions of a gas into CO2 equivalent, its emissions are multiplied by the gas's Global Warming Potential (GWP).

A chamber contains equal molar amounts of CO, CO2, N2, and O2. If the total chamber pressure is 3.00 atm, then the partial pressure of CO2 is

Answers

Answer:

[tex]P_{CO_2} = 0.75 atm[/tex]

Explanation:

[tex]P_{total} = P_{CO} + P_{CO_2} + P_{N_2} + P_{O_2}[/tex]

Since there's equal molar amounts we can conclude that

[tex]P_{CO_2} = P_{CO} = P_{N_2} = P_{O_2}[/tex]

So,

[tex]P_{total} = 4P_{CO_2}\\3.00 atm = 4P_{CO_2}\\P_{CO_2} = \frac{3.00 atm}{4} = 0.75 atm[/tex]

Calculate the mass, in grams, of 532.0 atoms of cadmium, (1 mol of Cd has a mass of 112.41g)

Answers

Since we know that
1.0 mol of any substance = 6.022 × 10^23 atoms of that substance

Molar mass = 112.41 g
Number of atoms = 532.0 atoms
Since we know
6.022 × 10^23 atoms of Cd = 112.41 g of Cd

So
532 atoms of Cd = (112.41×532)/(6.022×10^23) g of Cd = 9.93×10^-20g of Cd


Therefore, the mass of 532.0 atoms of cadmium is 9.93×10^-20 grams

H₂O Is water but what type?

Answers

Answer: H₂O is just water

Explanation:

Answer:

h2o is a water which is a clear, colorless, odorless, tasteless liquid that freezes into ice below 0°C and boils above 100°C.

How much heat does your body lose when 6.35 g of sweat evaporates from your skin at 25 ∘C ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 ∘C is 44.0 kJ/mol .

Answers

Answer:

15.52 kj

Explanation:

H2 O   mole wt ~ 18 gm

6.35 gm   is    6.35 gm /18 gm/mole  = .353 moles of H2O

.353 moles * 44 kj/mole =

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