Use the drop-down menus to identify the class of compounds to which each structure belongs.
Answers
The functional groups which are found in the molecules are responsible for their chemical reactions. Here the first organic compound is an acid, second one is an ether, third one is an alkyl halide and the fourth is an primary amine.
The functional groups in the field of organic chemistry can be defined as the substituent atoms or groups of atoms which are attached to the specific molecules. They have distinct features and properties and they are independent of the molecules they are attached to.
The compound with the functional group R-COOH is acid, R-O-R¹ is ether, R-X and R-NH₂ is a primary amine.
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Related Questions
a force of attraction between objects that is due to their masses and distance between objects
a. gravity
b. weight
c. mass
Answers
Answer:
the answer is gravity
hope this helps
Males have glands called testes that release the hormone known as _______________. a estrogen b epinephrine c testosterone d toblerone
Answers
Answer:
testosterone is released from their testes!
The cells of a tomato contain mostly an aqueous solution of sugar and other substances. If a typical tomato freezes at -2.5 °C, what is the molality of the sugar in solution? (Hint: sugar is a covalent compound, it does not dissociate in water)
Answers
Answer:
1.35 m
Explanation:
We can solve this problem by using the freezing point depression formula:
ΔT = Kf * m * iWhere:
ΔT is the temperature difference between the freezing point of the pure solvent (water) and the solution. In this case it is (0 °C - -2.5 °C = 2.5 °C).Kf is the cryoscopic constant, for water it is 1.853 °C*kg/mol.m is the molality.i is the van't Hoff factor, as sugar does not dissociate in water, it has a value of 1.We input the data:
2.5 °C = 1.853 °C*kg/mol * m * 1And solve for m:
m = 1.35 mSubstances formed as a result of a chemical reaction are calledImmersive Reader (1 Point) products reactants catalysts precipitates
Answers
Answer: substances formed as a result of chemical reaction are called PRODUCTS.
Explanation:
A chemical reaction can be defined as a reaction in which substances known as the REACTANTS makes or breaks it's bonds to form another substance usually referred to as the PRODUCT. Usually, a new substance which is referred to as the product that is formed is different from the original reacting substances. Some of the characteristics of a chemical reaction include:
--> colour change,
--> heat production,
--> precipitation
The rate at which these chemical reaction occurs depends on some factors such as pressure, temperature and concentration of the reactants
There are different examples of chemical reaction which includes:
--> Rusting of iron: this occurs when iron and oxygen combines to form a mixture of iron oxides, which is the product of the chemical reaction.
--> The burning of magnesium in air: in this Chemical reaction, magnesium reacts with oxygen to form magnesium oxide which is the product of the chemical reaction.
2Mg(s) + O2(g) △→ 2MgO(s)
--> Production of table salt: this is formed from the reaction of sodium and chloride to give sodium chloride as the product of the chemical reaction.
Therefore in a chemical reaction, no atom is destroyed or created but a new PRODUCT is formed from reactants.
Mg (s) + 2 HCl (aq) --> MgCl2 (aq) + H2 (g)
Use the balanced chemical equation above to determine the number of moles of hydrogen gas that would be produced if 3.50 moles of solid magnesium reacted. please show all work and record your answer with proper units and significant figures.
Pls help
Answers
Answer:
2Mg + 4HCl (aq) --> 2 MgCl2 (aq) + H2
Explanation:
balanced...
How many moles are in 8.0 gram sample of C3H4
Answers
Answer:
0.18 mol C₃H₈
Explanation:
to find the mole you have to convert the 8.0grams into moles.
8.0g C₃H₈ 1 mol C₃H₈
1 44.0g C₃H₈
*Pretend that those are a table*
I got 44.0g because Carbon is 12.0g you multiply that 3 times because it has a subscript of 3 and do the same for Hydrogen (1.0 x 8) then add those which would be 44.0g.
1 mol of C₃H₈ = 44.0g C₃H₈
now just mulitply and divide them.
8.0g x 1 = 8.0
1 x 44.0g = 44.0
8.0/44.0 = 0.18 mol C₃H₈
Are atoms of gold the same as antoms of oxygen? yes or no?
Answers
Answer:
No they are not the same the are both di
what is the molarity of a solution containing 9.0 moles of solute in 2500 ml of a solution
Answers
he diagram shows a device that uses radio waves.
Two radio towers. The towers are equal distance apart with an arrow between them. The left tower is labeled X. The right tower is labeled Y. The arrow is pointing from Tower X to Tower Y.
What is the role of the part in the diagram labeled Y?
modulate, amplify, and send out waves
capture, amplify, and demodulate waves
change the amplitude and frequency of waves
change the pulse and phase of waves
Answers
Answer:
b
Explanation:
Help please!!!!!!!!!! Both questions!!!!
Answers
on the second on its false.
How does the [H+] concentration change in a sample as the pH scale decreases 2 units? (make sure to say whether it goes up or down and by how much)
Answers
Mg + 2HCI - MgCl2 + H2
If 500g of magnesium chloride (MgCl2) is produced in the above reaction, how
many grams of hydrogen (H2) would be produced?
Answers
Explanation:
from the equation we know that 500g of Mgcl are produced.
but we also know that 83g of Mgcl will give 2g of hydrogen
therefore, 500g of Mgcl will give x g of hydrogen
x=
500*2/83g = 12.04g
if you have not yet understood just leave a message
A supersaturated solution is said to contain
Answers
Explanation:
A solution that contains more than the maximum amount of solute that is capable of being dissolved at a given temperature.
I hope it helps
Answer:
A supersaturated solution is said to contain more solute than it can dissolve at that given temperature.
Please help thank you
Answers
Answer:
The answer is the 2nd one down: The green house affect
PHYSICAL CHANGE OR CHEMICAL CHANGE
1.When making a sauce, a chef boils the alcohol until it changes to a gas and leaves the pan.
2. A scientist adds high pressure to gaseous oxygen until it turns into a gas.
3. Hydrogen sets fire and burns when exposed to oxygen and a spark.
4. A person accidentally drops a mirror so that it shatters.
5. A child falls from a tree and breaks a bone.
6. As soon as you begin eating, your body starts to digest food. The process of digestion is a
7. After dipping a piece of a chicken into batter, a person puts it into a deep fryer. The process of frying chicken is a
8. When a person slices tomatoes before adding them to a salad, what type of change did the tomatoes experience
9. Sugar is dissolved completely into water.
10. A branch rots and decomposes after falling from a tree
Answers
Answer:
1.Chemical Change
2.Chemical Change
3.Chemical Change
4.Physical Change
5.Physical Change
6.Chemical Change
7.Chemical Change
8.Physical Change
9 Physical Change
10.Physical Change
Explanation:
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula.
How many grams equal 4.3 x 1024 atoms of oxygen (O2)?
Answers
Answer:
https://socratic.org/questions/how-many-grams-are-in-1-25-x-10-22-atoms-of-oxygen#403337
Explanation:
A baby chicken has feathers on its feet that are similar to that of its parents. Where are the instructions stored that provide information for a baby chicken’s feathery feet? A) In cytoplasm inside cells B) On genes within chromosomes C) On the cell membrane Eliminate D) In the mitochondria
Answers
Answer:
B) On genes within chromosomes
Explanation:
Answer:
B) On genes within chromosomes
A 72.4 mL solution of Cu(OH) is neutralized by 47.8 mL of a 0.56 M H2(C204) solution. What is the concentration of the Cu(OH)?
Answers
Answer: The concentration of [tex]Cu(OH)_{2}[/tex] is 0.369 M.
Explanation:
Given: [tex]V_{1}[/tex] = 72.4 mL, [tex]M_{1}[/tex] = ?
[tex]V_{2}[/tex] = 47.8 mL, [tex]M_{2}[/tex] = 0.56 M
Formula used to calculate the concentration of [tex]Cu(OH)_{2}[/tex] is as follows.
[tex]M_{1}V_{1} = M_{2}V_{2}[/tex]
Substitute the values into above formula as follows.
[tex]M_{1}V_{1} = M_{2}V_{2}\\M_{1} \times 72.4 mL = 0.56 M \times 47.8 mL\\M_{1} = \frac{0.56 M \times 47.8 mL}{72.4 mL}\\= 0.369 M[/tex]
Thus, we can conclude that the concentration of [tex]Cu(OH)_{2}[/tex] is 0.369 M.
Pure substances are homogeneous substances made of identical particles called
Answers
Answer:
a pure substance
Explanation:
i hope i help if i didnt im srry:(
If an organism ingests 950.0 g of glucose (C6H12O6) in its lifetime, how many grams of carbon dioxide (CO2) will be released? (molar mass C6H12O6 = 180.156 g/mol) (molar mass CO2 = 44.009 g/mol)
Answers
Answer:
1392. g CO2
Explanation:
Power gathered from the sun and wind
A
is considered a nonrenewable resource.
B
can provide humans with energy forever.
с
can only be used in the daytime.
D
is not a natural resource.
Answers
Answer: B. Can provide humans with energy forever
Explanation: The warm air rises and cooler air rushes in to take its place. The moving air is wind. As long as the sun shines, there will be winds on the Earth. We will never run out of wind energy.
Can provide humans with energy forever
1. Calculate the mass of 1.000 mole of CaCl2
Show all your work. Answer in scientific notation when applicable.
Answers
Answer: 110 g/mol
Explanation:
First we need to find the molar mass of CaCl2 using the periodic table:
Ca: 40
Cl: 35 (Since Cl has a 2 at the end, multiply 35 by 2)
70+40= 110
Then multiply by amount of moles
110g×1.000mol = 110 g/mol
How much concentrated 15.54 M sulfuric acid is need to prepare 6.1 mL of a 2.28 M solution?
Answers
Answer:
0.895 mL
Explanation:
Using the formula;
C1V1 = C2V2
Where;
C1 = initial concentration (M)
C2 = final concentration (M)
V1 = initial volume (mL)
V2 = final volume (mL)
According to the information provided in this question;
C1 = 15.54M
V1 = ?
C2 = 2.28M
V2 = 6.1 mL
Using C1V1 = C2V2
V1 = C2V2 ÷ C1
V1 = (2.28 × 6.1) ÷ 15.54
V1 = 13.908 ÷ 15.54
V1 = 0.895 mL
Thallium-207 has a half-life of 4.77 minutes. If an initial sample weighed 155 grams, and
now only weighs 2.42 grams, how many half-lives have occurred?
A.4
B.6
C.5
D.3
Answers
Answer:
6
Explanation:
You divide the initial sample weight (155) by 2 until you get to 2.42.
molecules can be dissolved? Why?
Answers
Answer:
Dissolving is when the solute breaks up from a larger crystal of molecules into much smaller groups or individual molecules. This break up is caused by coming into contact with the solvent. In the case of salt water, the water molecules break off salt molecules from the larger crystal lattice.
Explanation:
Answer:
Gases can dissolve in water. The dissolving of a gas in water depends on the interaction between the molecules of the gas and the water molecules. The amount of gas that can be dissolved in water depends on the temperature of the water. More gas can dissolve in cold water than in hot water.
Explanation:
A student puts his signature with graphite pencil.
If the mass of carbon in the signature is 10-12g, calculate
the number of carbon atoms in the signature.
Answers
Answer:
If the mass of carbon in the signature is 10-12g, calculate. the number of carbon atoms in the signature. the answer is 5.01 x 10^10 atom.
Explanation:
wlcm
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A 32.9-mL sample of Ba(OH)2 is titrated with HCl. If 37.2 mL of 0.863 M HCl is needed to reach the endpoint, what is the concentration (M) of the Ba(OH)2 solution
Answers
Answer:
[tex]M_{base}=0.488M[/tex]
Explanation:
Hello there!
In this case, according to the given information, it turns out possible for us to solve this problem by firstly writing the chemical reaction between hydrochloric acid and barium hydroxide:
[tex]2HCl+Ba(OH)_2\rightarrow BaCl_2+2H2_O[/tex]
It means there is 2:1 mole ratio of the acid to base, and we are able to write the following mole ratio, then written in terms of volumes and concentrations:
[tex]n_{acid}=2n_{base}[/tex]
Thus, we obtain the following:
[tex]M_{acid}V_{acid}=2M_{base}V_{base}[/tex]
Then, we solve for the concentration of the base and consequently plug in the given data to obtain:
[tex]M_{base}=\frac{M_{acid}V_{acid}}{2V_{base}} \\\\M_{base}=\frac{0.863M*37.2mL}{2*32.9mL}\\\\M_{base}=0.488M[/tex]
Regards!
PLEASE HELP!!!!!!!!!!
what is the mole fraction of MgCl2 in a solution created by dissolving 132.1 g of MgCl2 into 9.72 mol of water?
1 - 0.125
2- 12.5
3- 2.50
4- 0.225
Answers
PLEASE HELP!!!!!
whoever gets right gets brainly
In which organ would you expect food to be more ground up in? The crop or the gizzard? Why?
Which internal reproductive structure is the "male" structure (makes and sends out sperm)?
for science
Answers
Answer:
In which organ would you expect the contents of food to be more ground up? (Gizzard)
These external structures are the penis, scrotum, epididymis, and testes. The internal organs of the male reproductive system are called accessory organs. ... To discharge sperm within the female reproductive tract.
1. Surface area, agitation, and ____ affect the dissolving rate of a solid. 1. termperature 2. location
Answers
Answer:??
Explanation: