Which term describes the molecule shown below?
H-C=C-H
ethyne CxHy
A. Unsaturated alkene
B. Unsaturated alkyne
O C. Saturated alkyne
O D. Saturated alkene

Answers

Answer 1

Answer:

Saturated alkyne

Explanation:

Answer 2

The hydrocarbons are known as the compounds which is made up of only carbon and hydrogen atoms. They may be saturated or unsaturated based on the number of bonds present. The molecule H-C≡C-H is an Unsaturated alkyne. The correct option is B.

The hydrocarbons in which the carbon and hydrogen atoms are connected through double or triple bonds are known as unsaturated hydrocarbons. Here ethyne is an unsaturated hydrocarbon.

Ethyne is an alkyne which have the C-C  and C-H atoms connected through triple and single bonds.

Thus ethyne is option B.

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Related Questions

Convert 544 Calories to Joule

Answers

Answer:

2276.1 Joules

Explanation

One calorie is equal to 4.184 Joules. So, 544 calories will be equal to 544*4.184=2276.1 Joules

2276096 joules


multiply the energy value by 4184

How much energy is used to heat 250 g of ice from –15°C to steam at 105°C? (Hint: 5 steps, all positive)

Answers

Answer:

Explanation: Q1 = mc(ice) ΔT (ice warms)

Q2 = ms (ice melts)

Q3 = mc((water) ΔT (water warms)

Q4 = mr (water boils)

Q5 = mc(vapour)ΔT

I need help answer whenever I have time

Answers

Answer:

Lithosphere: Volcanos..

Hydrosphere: Rain falls..

biosphere: Plants..

Explanation:

what element has 5 protons, 7 electrons, and 6 neutrons

Answers

Answer:  Boron

Explanation: lol

Answer:

Boron. (What kind of name is that?????????????)

Explanation:

The pH of a solution can be determined by using a

A. Filter paper

B. Potentiometer

C. Thermometer

D. pH paper

real answers plz not bots

Answers

B is the right answer


Balance the following chemical equation:
C2H60+02 → CO2 + H2O

Answers

Answer: C2h6O + 3O2 → 2CO2 + 3H2O

Explanation:

please help me out with this question! don’t attach any files

Answers

Answer:

b

Explanation:

What material would be safest to use as an insulator to cover electrical wires?
A:Rubber
B:Tin
C:Water
D:Aluminum

Answers

Answer: Rubber because it is NOT a conductor of electricity

Explanation:

That would be rubber because rubber does not conduct electricity so A is the right answer

Convert 812.4 kPa into atm

Answers

Answer:

Explanation:

There are a series of unit used to measure PRESSURE. They include millimetre mercury (mmHg), atmospheric pressure (atm), kilopascal etc. These units of measurement are interconvertible i.e. can be changed from one unit to another.

Based on this question asking to convert

1 kilopascal = 0.00986923atm

A gas has a volume of 10.0 L at 20 degree Celsius. At what temperature does the gas have a volume of 20.0 L ?

Answers

Answer:

286 K

Explanation:

From the question,

Applying Charles law,

V/T = V'/T'.................... Equation 1

Where V = Initial Volume of gas, T = Initial Temperature of gas in Kelvin, V' = Final Volume of gas, T' = Final Temperature of gas in Kelvin

Make T' the subject of the equation

T' = V'T/V.................. Equation 2

Given: V = 10.0 L, V' = 20.0 L, T = 20°C  = (20+273) = 293 K.

Substitute these values into equation 2

T' = (20×293)/10

T' = 586 K

Hence the temperature of the gas is 586 K

Write word equation of sodium reacts with chlorine to get sodium chloride

Answers

Answer:

Na+ + Cl-=NaCl

Explanation:

Sodium have +ions while Chlorine have - ions the ions will cancel and it will equal to NaCl

Can somebody help me pls pls pls pls pls

Answers

Answer:

1.5e + 24 I think, hope this can help

help? please and thank you! very much appreciated

Answers

Answer:

Option B is correct

Explanation:

The Formula of Nitrate is NO₃⁻

-TheUnknownScientist

Which reaction would cause an increase in entropy?

Answers

to be honest it have to be c because it shows things

Answer:

The other guy is completely wrong.

The answer is B.SO2CI2 (g) > SO2 (g)+CI2(g)

Explanation:

A P E X

Which is the conjugate acid of HSO4

Answers

Answer:

sulfuric acid

Explanation:

The conjugate acid of HSO4 -1 is H2 SO4. Adding one hydrogen ion to the hydrogen sulfate ion generates the conjugate acid. Its name is sulfuric acid.

Calculate the answer. Express it in scientific notation. All answers should have the correct number of significant figures.
(1.632) (4.0 x 104) =

Answers

(1.632) (4.0 x 104)

= (1.632)(416)

=678.912

6.8* 10^2.

Not sure if it's the right sig figs.

Answer:

417.632 (i dont know if u need to round or somehting but this is what i think is right)

Explanation:

4.0 x 104 = 416

(1.632) (416) = 417.632

Which contains more atoms; 1mol H2O2, 1mol C2H6, or 1mol CO?

Answers

Answer:

C2H6 has the greatest amount of atoms.

Explanation:

calculate the number of atoms in 112 g of iron.​

Answers

Answer:

1 mole of iron (Fe) = 56 g (molar mass)

Since 56 g of iron = 1 mol.

Therefore, 112 g of iron= 1/ 56 ×112 mol = 2 mol.

Explanation:

does the mercury not have fixed shape and volume at 20 degree

Answers

Answer:

Mercury doesn't have a fixed shape

Examine the structure of glucose and galactose which oh group determines that they both are the d isomers

Answers

Answer:

See Explanation

Explanation:

Stereoisomers are isomers that have the same atom to atom connectivity but differ in the arrangement of atoms or groups in space.

Glucose and galactose are stereoisomers that have more than one stereogenic center but differ in the configuration of atoms and groups about one of the stereogenic centers. This kind of stereoisomers are also called epimers.

Glucose and galactose differ in the orientation of -H and -OH at carbon-4.

Write a short paragraph about how gases are all around you. Provide at least 2 examples ​

Answers

Answer:fart and carbon are all around is

Explanation:

We are constantly breathing in different types of gasses. There's oxygen in the air we breathe that comes from trees. There is hydrogen in the higher atmospheres.

In the following reaction, in which direction, left or right, will the equilibrium shift if the following changes are made?

2NO (g) + H2 (g) ⇌ N2O (g) + H2O (g) + 36 kJ (heat)

N2 O (g) is added
Equilibrium shifts (LEFT / RIGHT)
H2 (g) is added
Equilibrium shifts (LEFT / RIGHT)

Answers

Answer:

Shifts to the left.

Shifts to the right.

Explanation:

Based on Le Châtelier's principle, when a change occurs in a system in equilibrium, the system will try to counteract the change that was made.

In the equilibrium:

2NO (g) + H₂ (g) ⇌ N₂O (g) + H₂O (g) + 36 kJ (heat)

If N₂O is added, the equilibrium shifts to the left trying to decrease the concentration of N₂O added.

If H₂ is added, the equilibrium shifts to the right trying to decrease the concentration of H₂ added

A sealed container is heated from 110K to 175K. The gas begins at a volume of 95L, what is the new volume of the gas upon heating?

Answers

151 L

V1/T1 = V2/T2
V1 = 95 L
T1 = 110 K
T2 = 175 K

Solve the equation for V2 —> V2 = V1T2/T1

V2 = (95 L)(175 K) / (110 K) = 151 L

As the girl leaves her room, she flips the switch to turn off the light. Turning off the light make
A :a closed circuit
B :a series circuit
C :a parallel circuit
D :an open circuit

Answers

Answer:

A.

Explanation:

HELP PLEASE!
The more bonds an atom can make, the more likely it is to combie with other atoms in different ways.
Which element is most likely able to make the greatest variety of bonds?
a. nitrogen
b. hydrogen
c. oxygen
d.carbon

Answers

Answer: a. nitrogen

Explanation:

Nitrogen comprises of five valence electrons in its outermost shell which enables it to form triple, double and single bonds with other atoms. It can share three electrons with other nitrogen atom and form a covalent bond. Moreover, nitrogen can form multiple bonds with itself and with other elements due to its small size and high electronegativity. Nitrogen, carbon, fluorine, and oxygen are the elements with which nitrogen can form bonding.

How do i describe endothermic and exothermic changes in matter?

Answers

I hope this helps you with your problem !!!!!

What does pollution mainly come from

Answers

Answer:

Pollution comes from factories, careless humans, chemicals, non-biodegradable trash.

Explanation:

How many grams of carbon dioxide are produced from the combustion of 250.G of ethane, C3H8 in the reaction C3H8 +5O2 - 3CO2 +4H2O

Answers

Answer:

750 g of CO₂

Explanation:

The balanced equation for the reaction is given below:

C₃H₈ + 5O₂ —> 3CO₂ + 4H₂O

Next, we shall determine the mass of C₃H₈ that reacted and the mass of CO₂ produced from the balanced equation. This can be obtained as follow:

Molar mass of C₃H₈ = (12×3) + (8×1)

= 36 + 8 = 44 g/mol

Mass of C₃H₈ from the balanced equation = 1 × 44 = 44 g

Molar mass of CO₂ = 12 + (16×2)

= 12 + 32 = 44 g/mol

Mass of CO₂ = 3 × 44 = 132 g

SUMMARY:

From the balanced equation above,

44 g of C₃H₈ reacted to produce 132 g of CO₂.

Finally, we shall determine the mass of CO₂ produced by the reaction of 250 g of C₃H₈. This can be obtained as follow:

From the balanced equation above,

44 g of C₃H₈ reacted to produce 132 g of CO₂.

Therefore, 250 g of C₃H₈ will react to produce = (250 × 132)/44 = 750 g of CO₂.

Thus, 750 g of CO₂ were obtained from the reaction.

The number of grams of carbon dioxide should be 750 grams.

Calculation of the no of grams:

Since

The balanced equation for the reaction is

C₃H₈ + 5O₂ —> 3CO₂ + 4H₂O

Now

Molar mass of C₃H₈ = (12×3) + (8×1)

= 36 + 8 = 44 g/mol

Hence, Mass of C₃H₈ from the balanced equation = 1 × 44 = 44 g

Now

Molar mass of CO₂ = 12 + (16×2)

= 12 + 32 = 44 g/mol

Hence, Mass of CO₂ = 3 × 44 = 132 g

Now the no of grams should be

= (250 × 132)/44

= 750 g of CO₂.

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PLEASE HELP PLS PLS PLS
Methane, CH4(g), and oxygen gas, O2(g) react to produce carbon dioxide, CO2(g), and water H2O(g). What volume of methane is required to react with oxygen to produce 32.5 L of carbon dioxide? *
a) 65.0 L
b) 48.8 L
c) 16.3 L
d) 32.5 L

Answers

Answer:

D)

Explanation:

CH4 + 2O2 = CO2 + 2H2O

1 (L CO2)= 32.5(L CO2)

1 (CH4) = 32.5 (L CH4)

The image shows two spheres hung from a thin rope. The spheres do not affect each other.
What is most likely true about these spheres?

-Both spheres are neutral.
-Both spheres have a positive charge.
-Both spheres have a negative charge.
-One sphere has a positive charge, and the other has a negative charge.

Answers

Answer:

both spheres have a positive charge

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