Predict the nature of the indicated
covalent bond.

Predict The Nature Of The Indicatedcovalent Bond.

Answers

Answer 1

non-polar

Explanation :

Hydrogen and carbon have similar electronegativity values, so the C—H bond is not normally considered a polar covalent bond.


Related Questions

When the human body is exposed to extreme cold, hypothermia can result and the body’s temperature can drop to 28.68°C. Convert this temperature to K.

Answers

Answer:

299.83°K

Explanation:

So, kelvin is a means of measuring temperature, as the question implies. To convert Celsius, one form of measuring temperature, to Kelvin, another form of measuring temperature, we must know the conversion median. Our median is that 0°C = 273.15°K. So, now, as we know that 0°C = 273.15°K, 26.68°C = 273.15°K + 26.68°. Because 273.15K might as well be zero degrees celsius (according to our median 0°C = 273.15°K), we simply add 26.68° to 273.15K and get 299.83°K

What’s the gravitational potential energy of a book 2.0 meters above the floor with a mass of 1.5 kilograms

Answers

Answer:

29.3 joules

Explanation:

P.E. = mgh

      = 1.5 kg  * 9.81 m/s^2 * 2 m   = 29.3 Joules

HELP!!! LOTS OF POINTS AND I GIVE BRIANLEST NO FAKE ANSWERS
Given the following data for water:

Heat of fusion = 334 J/g
Heat of vaporization = 2,256 J/g
Specific heat of solid = 2.09 J/(g °C)
Specific heat of liquid = 4.184 J/(g °C)
Specific heat of gas = 1.84 J/(g °C)

Calculate how much energy is needed to change 50.0 grams of ice at −15.0 °C to liquid water at 50.0 °C. (3 points)

a
11,900 J

b
16,300 J

c
18,300 J

d
21,100 J

Answers

Answer:

18300 J

Explanation:

this is because the amount of energy can be changed

Please help


Logan has been studying rocks at school. How could he learn more about the different types of rocks that come from volcanoes?
A.
collect rocks at the shore

B.
read comics about imaginary rocks

C.
explain to his sister how volcanoes form

D.
watch videos about volcanic rocks

Answers

Answer:

I think D is the answer. The others can't be answer. Specially B and D can't be the answer.

You are working with a concentrated solution of ammonium hydroxide. Which
piece of safety equipment is most important to have on hand?

Answers

Rubber gloves and other chemical resistant protective clothing are necessary when handling concentrated ammonium hydroxide.

Why it is necessary to handle concentrated solution of ammonium hydroxide with care ?

Ammonia is an irritant and corrosive to the skin, eyes, respiratory tract and mucous membranes.

May cause severe chemical burns to the eyes, lungs and skin.

Skin and respiratory related diseases could be aggravated by exposure.

The extent of injury produced by exposure to ammonia depends on the duration of the exposure, the concentration of the liquid or vapor and the depth of inhalation.

Hence, Rubber gloves and other chemical resistant protective clothing are necessary when handling concentrated ammonium hydroxide.

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Question 18 of 32
What is a covalent bond?
OA. A bond in which molecules share electrons
OB. A bond in which atoms share electrons
C. A bond between ions of the same charge

Answers

Answer: A. A bond in which molecules share electrons

A hot-air balloon has a pressure of 0.715 atm while the temperature outside is 200C. What will the pressure be if the temperature drops to 5C while the volume remains constant?

1.12 kPa

11.2 atm

1203 atm

1.12 atm

Answers

If the temperature drops to 5⁰C and the volume remains constant, the value of pressure will be 0.668 atm.It can be found using Ideal gas equation.

What is Ideal gas equation ?

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

From the question given above, the following data were obtained :

Initial pressure (P₁) = 0.715 atmInitial temperature (T₁) = 200 °CFinal temperature (T₂) = 195 °CVolume = constantFinal pressure (P₂) = ?

Now, Let's convert celsius temperature to Kelvin temperature ;

T(K) = T(°C) + 273

Initial temperature (T₁) = 200 °C = 200 °C + 273  = 473 KFinal temperature (T₂) = 195 °C = 195  °C + 273  = 462 K

Now, we shall can determine the final pressure (P₂)  ;

Initial pressure (P₁) = 0.715 atmInitial temperature (T₁) = 473 KFinal temperature (T₂) = 462 KFinal pressure (P₂) = ?

P₁ / T₁ = P₂ / T₂

0.715 / 473 = P₂ /  462

473 × P₂ = 0.715 × 462

P₂ = 0.69 atm

Thus, the final pressure of the hot air balloon is 0.69 atm

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What type of reaction is illustrated?

Answers

Answer:

Synthesis

Explanation:

Carbon + Difluorine = Tetrafluoromethane.

1 mole of Carbon [C] reacts with 2 moles of Difluorine [F2] to form 1 mole of Tetrafluoromethane [CF4]

i think it would be A

Activity 1.3 Put an unlit incense stick in a corner of your class. How close do you have to go near it so as to get its smell? Now light the incense stick. What happens? Do you get the smell sitting at a distance? Record your observations.​

Answers

for the first one you have to be very close to smell it, when lit the aroma fills the class because there is no ventilation and how there is no way for the gas to leave the room

Question 4
2 pts
2 NH3 + 3 CuO g 3 Cu + N₂ + 3 H₂O
In the above equation how many moles of water can be made when 14 moles of NH3 are
consumed?

Answers

Answer:

9.33

Explanation:

balanced chemical equation:

2NH₃ + 3CuO → 3Cu + N₂ + 3H₂O

14 moles of NH3

2NH₃ → 3H₂O

14 * 2/3 = 9.33

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The heat of vaporization of water is 540 cal/g. How much heat is needed to change 4.28g of water to steam?

Answers

Answer:

2311.2 cal

Explanation:

540 cal / g    *   4.28 g = 2311.2  cal

2311.2 cal heat is needed to change 4.28g of water to steam.

What is heat?

Heat is the transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object.

The heat of vaporization is defined as the amount of heat needed to turn 1g of a liquid into a vapour, without a rise in the temperature of the liquid.

The heat of vaporization is equal to the thermal energy required for vaporization divided by the mass of the substance that is vaporizing. Its formula is Hv = q/m.

Putting the values in the formula:

540 cal / g  x 4.28 g = 2311.2  cal

Hence,  2311.2 cal heat is needed to change 4.28g of water to steam.

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how many neutrones does the isotope n-14 have

Answers

Answer: 7

Explanation:

Proton/atomic number + Neutron = atomic mass

atomic mass - protons/atomic number = neutrons

14 - 7 = 7


Hydrogen peroxide is a liquid that decomposes to form oxygen gas and
water. The occasional bubble you might see in a beaker that contains
hydrogen peroxide is evidence of this reaction. But if a small amount of
manganese oxide powder is added to the beaker, many small bubbles start
forming in the liquid. What part does the manganese oxide play in this
reaction?

A. It is a catalyst that increases the rate of the reaction.

B. It is a substance that supplies extra energy for the reaction.

C. Its addition to the liquid makes molecules of hydrogen peroxide
move faster.

D. It is a reactant that is necessary for the reaction to begin.
SUBMIT

Answers

A would be the answer to this question

Which of the following statements would correct one of the roles listed in the table?
O Glucose combines with water to form carbon dioxide,
OGlucose reacts with carbon dioxide during photosynthesis.
OOxygen is formed along with glucose during photosynthesis.
O Chlorophyll stores chemical energy needed for photosynthesis.

Answers

Answer:

a

Explanation:

glucose combined with water to form carbon dioxide

Answer:

Option C

Explanation:

Because during photosynthesis the reaction is as per following

CO_2+H_2O—»C_2H_12O_6+O_2

Clearly

Glucose nd oxygen are formed

You are watching tv and you see something on the corner of your eye what do you do and you're home alone

Answers

Talk to the doctor if you see something in the corner of your eye.

What is a visual hallucination?

Visual hallucinations involve seeing things that aren't there.

It's called a visual hallucination, and it can seem like your mind is playing tricks on you. Beyond being scary or stressful, it's also usually a sign that something else is going on.

So if it's happening to you, talk to your doctor. That's the first step toward getting better.

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Consider this reaction, which occurs in the atmosphere and contributes to photochemical smog:
2Fe(s) + 3Cl2(g) →2FeCl3(s)
If there is 15.52 g Fe and excess Cl2 present, the reaction yields 34.5 g FeCl3. Calculate the
percent yield for the reaction.
%

Answers

2Fe(s) + 3Cl₂(g) →2FeCl₃(s)

mol Fe = 15.52 : 56 g/mol = 0.277

mol FeCl₃ = mol Fe = 0.277 (same coefficient)

mass FeCl₃ = 0.277 x 162.2 g/mol = 44.93 g

% yield = 34.5 : 44.93 = 76.79 %

nts
S + 6 HNO3 → H₂SO4 + 6 NO₂ + 2 H₂O
In the above equation, how many grams of water can be made when 19.7 moles of HNO3 are
consumed?
Round your answer to the nearest tenth. If you answer is a whole number like 4, report
the answer as 4.0
Use the following molar masses. If you do not use these masses, the computer will mark
your answer incorrect.:
Molar
Mass
Element
Hydrogen 1
Nitrogen 14
Sulfur 32
Oxygen 16

Answers

Answer:

118.2 g H₂O

Explanation:

To find the mass of water, you need to (1) convert moles HNO₃ to moles H₂O (via mole-to-mole ratio from reaction coefficients) and then (2) convert moles H₂O to grams H₂O (via molar mass).

The molar mass of water can be found by combining the element's molar masses times their quantities. The ratios/conversions should be arranged in a way that allows for the cancellation of units (desired unit should be in the numerator).

Molar Mass (H₂O): 2(1 g/mol) + 16 g/mol

Molar Mass (H₂O): 18 g/mol

S + 6 HNO₃ ---> H₂SO₄ + 6 NO₂ + 2 H₂O
      ^                                                ^

19.7 moles HNO₃          2 moles H₂O                18 g
--------------------------  x  -----------------------  x  ---------------------  = 118.2 g H₂O
                                     6 moles HNO₃         1 mole H₂O

Which TWO of the following processes will increase the concentration of al solution?
(a) Increase the amount of solute.
(b) Decrease the amount of solute.
(c) Increase the amount of solvent.
(d) Decrease the amount of solvent. ​

Answers

Answer:

B decrease the amount of solute

Its b i did the test

Please help asap!!!!!!

Answers

Answer:

my increasing the amount of input force inorder to lift the load

Glucose, C₂H12O6, is a product of photosynthesis.
It has the following structure.
HICIO
HICIOH
HOIC-H
HICIOH
HICIOH
HICIOH
I
H
How many chiral centres does the molecule have?
A 1
B2
C 4
D 6

Answers

Answer:

C

Explanation:

four chiral centers

which of the following best describes what happens during nuclear fusion ​

Answers

Answer:

Nuclear fusion is a kind of nuclear reaction in which two lighter nuclei combine under suitable conditions to form heavier nuclei under suitable conditions. A lot of energy is released in this process.

Given the following list of densities, which materials would float in a molten vat of lead provided that they do not themselves melt? Densities: g/mL: lead= 11.4; glass= 2.6, gold= 19.3, charcoal= 0.57, platinum = 21.4. Enter your answer as a word only. If two or more items would float include the word and between those two items.

Answers

The materials that would float in a molten vat of lead are glass and charcoal.

Which material floats on the solution?

Glass and charcoal are the materials that would float in a molten vat of lead because they are less denser than the lead solution while on the other hand, platinum and gold get drowned into the solution because of its high density as compared to lead.

So we can conclude that the materials that would float in a molten vat of lead are glass and charcoal.

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A student combined equal amounts of two solutions. One solution had a pH of 2 and the other had a pH of 12. Which would
most likely be the resulting pH?
1
3
6
11

Answers

I think 6 is right.

Answer:

the answer is 6. 2 goes into 12 6 times resulting in the answer 6


1. 50.0 g of an unknown metal was heated to 95.0 °C and added to 45.0 g of water at 25.0 °C
in a calorimeter. Once the system reached equilibrium the final temperature was 28.5 °C.
Calculate the specific heat capacity of the metal with correct units.
2. 60.0 g of nickel heated to 100.0 °C was added to 55.0 g of water at 25.0 °C inside a
calorimeter and the system was allowed to reach equilibrium. What would be the final
temperature of the metal and water? (specific heat of Ni = 0.44 J/g °C)
.
3. One challenge during calorimetry is to minimize the heat lost to the environment during
the experiment. Suggest how you would minimize the heat loss during the experiment (read
the steps of the experiment before you answer the question)

Answers

Answer

Q = mcΔT

Qwater = -Qmetal

(100 g)(4.18 J/g°C)(25°C - 20°C) = -(50 g)c(25°C - 90.0°C)

2090 J = (3250 g °C)c

c = 0.643 J/g °C

What is open system?
What is close system?
What is the valency of an atom?
State Heisenberg uncertainty principle
Define endothermic reaction

Answers

Answer:

1) open system is the system through which both matter and energy and enter as well as leave

ex - open beaker

2) close system is the system through which only energy can leave but matter cannot

ex - pressure cooker.. ( energy leave as air)

3) Valency of an atom is the no. of outer most electron which can participate in a reaction.

4). Heisenberg uncertainty principal states that it is impossible to measure or calculate exactly, both the position and the momentum of an object

5) The reaction in which heat is required to make products are called endothermic reaction. it cools down the surrounding .

what's the name of the compound?​

Answers

this compound is hyrdoxide..because O means oxygen and H means hydrogen and when it is mixed it forms a compound..

Convert the scientific notation to a decimal number.

Answers

To convert Scientific Notation to a decimal number, Prescribed steps are to be taken given below.

What is Scientific Notation ?

Scientific notation is a way of writing very large or very small numbers.

A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

Steps to Calculate Scientific Notation ;

Determine the exponent, n , on the factor 10 .Move the decimal n places, adding zeros if needed. If the exponent is positive, move the decimal point n places to the right. If the exponent is negative, move the decimal point |n places to the left.Check.

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the amount of gram - atoms in two gramm of sulfur is (NB: S=32amu)​

Answers

Answer:

3.76375e+22

Explanation:

(2/32)×(6.022 × 10^23)

When 50.5 g iron(III) oxide reacts with carbon monoxide, 32.2 g iron is produced. What is the percent yield of the reaction?
Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g)

Answers

93.80 % is the per cent yield of the reaction [tex]Fe_2O_3(s)+3CO(g)[/tex] → [tex]2Fe(s)+3CO_2(g)[/tex].

What is a mole?

A mole is a very important unit of measurement that chemists use. A mole of something means you have 602,214,076,000,000,000,000,000 of that thing, like how having a dozen eggs means you have twelve eggs.

[tex]Fe_2O_3(s)+3CO(g)[/tex] → [tex]2Fe(s)+3CO_2(g)[/tex]

[tex]50.5 g Fe_2O_3[/tex] x ([tex]1 mol of Fe_2O_3[/tex] ÷ [tex]159.69 g Fe_2O_3[/tex]) x ([tex]2 mol\; of Fe[/tex] ÷ [tex]1 mol Fe 34.97 g Fe[/tex])

[tex]% of yield = \frac{Practical X 100}{Theoretical}[/tex][tex]Percentage \;of \;yield = \frac{Practical X 100}{Theoretical}[/tex]

[tex]Percentage\; of yield = \frac{32.8 X 100}{34.97}[/tex]

= 93.80 %

Hence, 93.80 % is the per cent yield of the reaction.

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What mass of carbon monoxide is required to react completely with 318g of iron(III) oxide?

Answers

The balanced equation for this reaction is [tex]3\text{CO}+\text{Fe}_{2}\text{O}_{3} \longrightarrow 2\text{Fe}+3\text{CO}_{2}[/tex].

This means that for every mole of iron(III) oxide consumed, 3 moles of carbon monoxide are consumed.

Iron has an atomic mass of 55.845 g/mol.Oxygen has an atomic mass of 15.999 g/mol.

This means that iron(III) oxide has a formula mass of 2(55.845)+3(15.999)=g/mol, and thus 318 g is equal to [tex]\frac{318}{159.687}=1.9913956677751 \text{ mol}[/tex].

So, this means we need [tex]3(1.9913956677751)=5.9741870033253 \text{ mol}[/tex] of CO.

Carbon has an atomic mass of 12.011 g/mol.Oxygen has an atomic mass of 15.999 g/mol.

This means CO has a formula mass of 12.011+15.999=28.01 g/mol, and thus 5.9741870033253 moles have a mass of (28.01)(5.9741870033253), which is equal to about 167 g (to 3 sf)

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