Which choice identifies the compound's structural formula, and what information does the structural formula provide
that the molecular formula does not?
Image B represents the structural formula, and only the structural formula allows the molecular
shape to be determined because it shows the position and alignment of the atoms and bonds.
Image B represents the structural formula, and only the structural formula allows the number of
atoms of each element in the compound to be determined because it provides subscripts.
Image A represents the structural formula, and only the structural formula allows the type of
bond formed by the compound to be determined because it shows the element symbols written
in order (metals and then nonmetals).
Image A represents the structural formula, and only the structural formula allows the bond
length of each bond between the atoms of the compound to be determined because it shows the
bonds represented by a line.
Answers
Answer:
second opinion is correct
Related Questions
Explain why has a higher boiling point than NH3
Answers
Explanation:
Melting point = -33.34°cboiling point=77.73°cThere are many organ systems that make up the human body. Although most of these systems, such as the skeletal and muscular systems, are almost the same in males and females, one is very different. The male and female reproductive systems are made up of different organs, with different functions. The male reproductive system contains the _________, which _________. A. ovaries; produce eggs B. bladder; stores urine C. kidney; filters the blood D. testes; produce sperm
Answers
Answer: The male reproductive system contains the TESTES; which PRODUCE SPERM. The correct option is D
Explanation:
There are different organ systems in the human body which functions together to bring about the normal healthy status of an individual. To list but a few, these systems include:
--> skeletal and muscular system
--> Endocrine System,
--> Nervous System, and
--> REPRODUCTIVE SYSTEM
The reproductive system is made up of the male and the female reproductive system which are very different as it's consists of different organs with different functions.
The male reproductive system consists of:
--> scrotum
--> Testes
--> prostate gland
--> seminal vesicles
--> penis.
The SPERM (spermatozoa) are produced in the seminiferous tubules of the TESTES and mature as they pass through the long and convoluted epididymis, where they are stored. Therefore option D is the correct answer.
3. A volume of gas at 1.65 atm was measured at 27°C and 343 mL. What will be the volume if the gas
is cooled to -12°C and the pressure is adjusted to 2.10 atm?
Answers
Answer:
Homework hint: P1V1 = nRT1 and V1, n, and R are constant. Remember to use Kelvin.
26) Is the constant speed that a falling object eventually reaches when air 3 points
resistance builds up and prevents further acceleration *
Speed of Gravity
Terminal Velocity
Acceleration
Drag speed
Answers
Answer:
terminal velcity
Explanation:
What variable represents thermal energy in the equation Q = mcΔT?
A.
The variable c
B.
The variable Q
C.
The variable T
D.
The variable m
Answers
Answer:
The variable Q
Explanation:
i just took the test and got it right.... i hope this helps :)
The variable Q represents thermal energy in the equation Q = mcΔT. Hence, option B is correct.
What is specific heat capacity?The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases by 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).
Q = mcΔT
Q = heat energy
m = mass
c = specific heat capacity
ΔT = change in temperature
Hence, option B is correct.
Learn more about specific heat capacity here:
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Which of these is true about nuclear power?
A. Nuclear power is location specific
B. The neutrons released from the reactions are used to do work
C. Extracting energy from nuclear fuels is more expensive than
extracting energy from fossil fuels.
D. Nuclear fuel has a lower energy density than fossil fuels.
SUBN
Answers
extracting energy from nuclear fuels is more expensive than extracting energy from fossil fuels
What element is being oxidized in the following redox reaction? Pb 2+(aq) + NH4 +(aq) - Pb(s) + NO3 (aq)
A. H
B. Pb
C. N
D. O
Answers
The Kinetic Molecular Theory describes the behavior as well as the characteristics of an ideal gas. What are the five postulates of this theory? Provide at least 3 examples to describe these postulates.
Answers
Answer:
See explanation
Explanation:
The postulates of the kinetic theory of matter are;
Every substance is made up of tiny particles called molecules. Brownian motion and diffusion illustrates this fact.The molecules that compose matter are in constant random motion.There exists an attractive force between the molecules in matter. The attractive forces between gases are negligible. Solids have a definite shape and volume due to a high magnitude of intermolecular forces. Liquids have a volume but no definite shape due to weaker intermolecular forces. Gases have the weakest intermolecular forces hence the do not have both a shape and volume. They take on the volume of the container into which they are put. This illustrates this fact.The actual volume occupied by gas molecules is negligible relative to the volume of the container. The fact that gases are easily compressible illustrates this fact.Temperature is a measure of the average kinetic energy of the molecules of a body.sub-atomic particles like negatively charged electrons, positively charged
protons and electrically ________ neutrons
Answers
Answer:
neutral
Explanation:
There are three basic subatomic particles. These are;
Protons (positively charged)Electrons (negatively charged)Neutrons (neutral)A neutron has no charge unlike the proton and the electron. It is present in the nucleus and contributes to the mass of the atom.
an substance that is being dissolved by another object?
Answers
Answer:
Solute - The solute is the substance that is being dissolved by another substance. In the example above, the salt is the solute. Solvent - The solvent is the substance that dissolves the other substance.
Explanation:
how are the functions of a flower's stamen and pistil related to reproduction?
Answers
Answer: the essential parts of a flower
Explanation:
are engaged with seed creation. In the event that a blossom contains both useful stamens and pistils, it is known as an ideal bloom, regardless of whether it doesn't contain petals and sepals. On the off chance that either stamens or pistils are deficient with regards to, the blossom is called imperfect.
(06.05 LC)
Why is it important to maintain records of the procedures of an experiment?
points)
Multiple Choice
Answers
Occurs in many complex organisms such as plants, animals and fungi
Answers
Answer:
DNA
Explanation:
The eukaryotic cell participates in the formation of complex organisms and contains a nucleus, cytoplasmic organelles, and a cytoskeleton.
In a eukaryotic cell, DNA is contained in a compartment called the nucleus, which is enclosed by a membrane.The answer should be DNA based on the wording of the question. Hopefully this helped a little bit.
Which of these is a molecule?
a. Ca
b. Mg
C. Na
D.H20
NEED A QUICK ANSWER!
Answers
H2O is a molecule
Aluminium is a metal give reason
Answers
Answer:
Aluminium is ordinarily classified as a metal. It is lustrous, malleable and ductile, and has high electrical and thermal conductivity. Like most metals, it has a close-packed crystalline structure and forms a cation in an aqueous solution.
What is the energy change per gram of ice when an iceberg composed of pure water, cp = 2.06 j/(gk, is heated from -25°c to -15°c?
Answers
Answer:
[tex]Q=20.6\frac{J}{g}[/tex]
Explanation:
Hello there!
In this case, according to the equation for the calculation of the heat during a heating process:
[tex]Q=mC(T_f-T_i)[/tex]
It is possible to compute it per gram of ice by just removing m from the equation by dividing at both sides. Next we plug in the given specific heat and the final and initial temperatures to obtain:
[tex]Q=2.06\frac{J}{g\°C}[-15\°C-(-25\°C)] \\\\Q=20.6\frac{J}{g}[/tex]
Best regards!
2LiBr Pb(NO3)
2 → PbBr2 2LiNO3
Answers
help please. What type of reaction is this: barium nitrate --> barium oxide + nitrogen dioxide + oxygen
Answers
Answer:
Decomposition Reaction
Explanation:
Ba(NO₃)₂(s) ⇒ BaO(s) + N₂(g) + 3 O₂(g)
Barium nitrate decomposes into the chemical species that were used to create it.
what is the difference between corrosion and rusting
Answers
Answer:
Corrosion is the process of deterioration of materials as a result of chemical, electrochemical or other reactions. Rusting is a part of corrosion and is a chemical process which results in the formation of red or orange coating on the surface of metals. ... Rust or rusting can affect only iron and its alloys.
Explanation:
HELP 15-21 PLEASE!!!
Answers
Answer:
15. Lead (II) chloride
16. potassium chloride
17. Lithium oxide
18. Arsenious trioxide
19.Phosphorus tribromide
Explanation:
Answer:
ANSWER
Explanation:
Which of the following is a FALSE statement? *
A. Heat moves through solids by by conduction.
B. Molecules move faster in warmer substances.
C. Warm water is denser than cold water.
D. Heat moves through liquids and gases by convection.
Answers
Answer:
C: Warm water is denser than cold water
Burning a candle melts the wax, but also burns the wick. Explain how burning a candle involves both physical and chemical changes.
Answers
Answer:
Burning of the candle is both physical and chemical change. Burning of the candle melts the wax and hence physical state of wax has changed from solid to liquid.
Again the wax combines with the atmospheric oxygen and changes to carbon dioxide, heat and light.
Thus both the changes are accompanied by the burning of the candle.
Explanation:
hope this helps!
~mina
Determinar el volumen de una solución en mililitros cuya concentración es 0,3 M en ácido sulfúrico y que contiene 1,5 moles del ácido
Answers
Answer:
V = 5000 mL
Explanation:
¡Hola!
En este caso, dado que la molaridad de una solution se calcula al dividir las moles por el volume de solución en litros, es posible calcular el volumen cuando se dividen las moles por la molaridad, tal y como se muestra a continuación:
[tex]M=\frac{n}{V}\\\\V=\frac{n}{M}[/tex]
Así, podemos reemplazar la molaridad y moles dadas para obtener:
[tex]V=\frac{1.5mol}{0.3mol/L}=5L[/tex]
Que en mililitros sería:
[tex]V=5L*\frac{1000mL}{1L}\\\\V=5000mL[/tex]
¡Saludos!
A new organism is discovered. It is multicellular, heterotrophic, and does move on its own. To which two kingdoms could the organism belong?
Answers
Answer:It is a plant
Explanation:
A new organism is discovered. It is multicellular, heterotrophic, and does move on its own. The organism belong to Kingdom Animalia.
What do you mean by heterotrophs ?A heterotroph is an organism that obtains energy and nutrients from other plants or animals. The term is derived from the Greek words hetero, which means "other," and trophe, which means "nourishment."
Fungi are multicellular, heterotrophic eukaryotes with chitinous cell walls. Kingdom Plantae contains autotrophic organisms with cellulosic cell walls, whereas Kingdom Animalia contains heterotrophic organisms without cell walls.
Animalia is a kingdom of multicellular, heterotrophic organisms. This kingdom includes humans and other primates, as well as insects, fish, reptiles, and a variety of other animals.
Thus, The organism belongs to Kingdom Animalia.
To learn more about the heterotrophs, follow the link;
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Collision theory states that when two molecules collide with each other with sufficient energy and hit in the proper orientation, a
bond is formed. Which action will increase the rate of reaction in a closed container?
A)
adding an inert gas
B)
expand the volume
C)
increase the temperature
D
decrease the concentration
Answers
Answer:
c increase the temperature
Explanation:
What is the Molar Mass of MgO?
Answers
Answer:
The answer should be 40.3044 g/mol
Mass number symbol =
Answers
Answer:
A is the symbol of mass number.
Explanation:
→ Mass number (A) = Protons + Neutrons
It is the required formula. The symbol of the mass number is A.
Answer:
The letter A
Explanation:
Weight is the measure of gravity on an object measured by a weight in Newtons. Weight changes if gravitational force changes.
Mass is the amount of kilogram in an object measured by a __________ in grams and does not change…it stays the _________.
Answers
Mass is an intrinsic property of matter and is measured in kilograms. The mass of a bird is a constant. A 15-gram bird is 15 grams, whether measured on the Earth, the Moon, or Mars. Weight is a measure ofthe force of gravity on a physical object and is measured in newtons.
PLEASE HELP 20 PTS
what is the percent by volume of isopropyl alcohol in a solution that contains 24 mL of isopropyl alcohol in 1.1 L of water?
Answers
Answer:
[tex]2.18\%[/tex]
Explanation:
Volume of isopropyl alcohol = 24 mL
Volume of water = 1.1 L
Percentage of isopropyl alcohol is given by
[tex]\dfrac{\text{Volume of isopropyl alcohol}}{\text{Volume of isopropyl alcohol+Volume of water}}\times 100\\= \dfrac{24\times 10^{-3}}{1.1+2.4\times 10^{-3}}\times 100\\ =2.18\%[/tex]
The percent by volume of isopropyl alcohol in the given solution is [tex]2.18\%[/tex].
What does it mean to dilute a solution?
Answers
Answer:
Dilution is the process of decreasing the concentration of a solute in a solution, usually simply by mixing with more solvent like adding more water to the solution