class 6 ch 9 to 16 science all topic used in textbook
Answers
ch 9 sorting material into groups
ch 10 change and reaction
ch 11 motion and measurement of distance
ch 12 electric current and circuits
ch 13 fun with magnet
ch 14 importance of air
ch 15 importance of water
ch 16 light, shadow and reflection
ch 17 wastes
Related Questions
issued this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your etext. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon.
Answers
The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.
Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.
Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.
According to the given data;
Decomposition of carbon monoxide (CO);
Oxygen produced = 3.36 g
Carbon produced = 2.52 g
We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;
Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol
Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol
Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;
0.21 mol C / (0.21 mol O) = x
Simplifying the equation, we have;
x = 1
Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.
Decomposition of carbon dioxide (CO₂);
Oxygen produced = 9.92 g
Carbon produced = 3.72 g
Following the same calculations as before;
Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol
Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol
Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;
0.31 mol C / (0.62 mol O) = y
Simplifying the equation, we have;
y = 0.5
Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.
To know more about decomposition here
https://brainly.com/question/20418092
#SPJ4
--The given question is incomplete, the complete question is
"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--
You need to calculate the enthalpy change (AHO) of the reaction A + B → C.How can the enthalpies given for the reaction steps below be combined to give the overall change in enthalpy?
Answers
Answer:
Explanation:
The question requires us to determine a proper equation to calculate the enthalpy change for the following reaction:
\(A+B\rightarrow C\)Considering the generic reactions and their associated enthalpy change given:
\(\begin{gathered} Reaction\text{ }1:A+B\rightarrow D\text{ }\Delta H_1^° \\ Reaction\text{ }2:C+\frac{1}{2}B\rightarrow D\text{ }\Delta H_2^° \end{gathered}\)According to Hess' Law, enthalpy is a function of state, which means it does not depend on the path by which reactants are converted to products. Using this definition, we can rearrange the reactions 1 and 2 given (and apply all the changes required to their associated enthalpy change) in order to obtain the required reaction, and then calculate the enthalpy change of the final reaction considering the rearranged enthalpies of reactions 1 and 2.
Our final objective is to obtain a chemical equation that presents 1 mol of reactants A and B on the left side, and 1 mol of product C on the right side.
First, let's guarantee that we will have product C by multiplying reaction 2 by -1:
\(Reaction\text{ 2}\times(-1):D\rightarrow C+\frac{1}{2}B\text{ }\Delta H_2^°=-\Delta H_2^°\)Next, we need to make sure that
Your grandmother wants to build a small garden in her backyard.She lives near a city and doesn't have a large budget for this.Should she use an organic or inorganic fertilizer?
Answers
Answer:
So if you are buying, Inorganic is cheaper but at the cost of it's quality, organic fertilizer is better quality that's why it is more expensive, both work so if you want the cheaper option that's fine it still works
Explanation:
how many grams of tungsten, w, atomic number 74, are found in 3.10 moles?
Answers
The number of grams of tungsten (W), atomic number 74, found in 3.10 moles is approximately 662.4 grams.
To calculate the number of grams of tungsten in 3.10 moles, we need to use the molar mass of tungsten. The molar mass of tungsten is approximately 183.84 g/mol.
First, we can calculate the number of grams in one mole of tungsten:
1 mole of W = 183.84 grams
Then, we can use this conversion factor to determine the grams in 3.10 moles of tungsten:
3.10 moles of W × 183.84 grams/1 mole = 570.504 grams
Rounding to the appropriate number of significant figures, the result is approximately 662.4 grams.
Therefore, there are approximately 662.4 grams of tungsten in 3.10 moles.
learn more about molar mass here:
https://brainly.com/question/22997914
#SPJ11
When CO2 combines with water it forms carbonic acid. How does this explain the phenol red result?
Answers
4.
Solve: For each chemical equation below, write the number of product molecules that
will form from the reaction. Then circle the limiting reactant. (Note: The coefficients in
front of the reactants indicate the number of reactant molecules or atoms present.)
Answers
For all the reactions listed, the moles of products and limiting reactants are;
1. Molar cofficient - 6, oxygen is the limiting reactant
2. Molar coefficient - 8 chlorine is the limiting reactant
3. Molar coefficient - 4 and CO2 is the limiting reactant
What is a chemical reaction?
A chemical reaction is a combination of reactants that yields products. Recall that the limiting reactant is the reactant that nis present in the least amount.
Let us now complete each reaction;
1. The molar coefficient of the product in reaction 1 is 6 and oxygen is the limiting reactant
2. The molar For all the reactions listed coefficent of the product in reaction 2 is 8 and chlorine is the limiting reactant
3. The molar coefficient of the product in reaction 3 is 4 and the limiting reactant is CO2.
Learn more about limiting reactant: https://brainly.com/question/14225536
1. Write the chemical symbol for each of the following elements.
Aluminum
Beryllium
Calcium
Flourine
Neon
Nitrogen
Silicon
Silfur
2. Write the name of the element for each of the following symbols.
Ar
B
Li
Na
Fe
3. What is the atomic number for the following elements?
C
Fe
Pb
O
N
Zn
Answers
Answer:
Chemical symbol:
Aluminum:Al
Berylium: Be
Calcium: Ca
Flourine: F
Neon: Ne
Nitrogen: N
Silicon: Si
Silfur: S
Element name
Ar: Argon
B: Boron
Li: Lithium
Na: Sodium
Fe: Iron
Atomic number
C:6
Fe: 26
Pb: 82
O: 8
N: 7
Zn: 30
Answer:
aluminum- Al
beryllium- Be
calcium- Ca
flourine- F
neon- Ne
nitrogen- N
silicon- Si
sulfur- S
_____________________________________________________
Ar- argon
B- boron
Li- lithium
Na- sodium
Fe- iron
______________________________________________________
C- 6
Fe- 26
Pb- 82
O- 8
N- 7
Zn- 30
Explanation:
Imagine you have a radioactive sample containing both virtualium and decayed atoms of virtualium. After analysis you find it contains 10 atoms of virtualium and 40 decayed atoms . How old is your sample? Hint you must use the half life of virtualium determined earlier. BTW the half life of virtualium is 12
Answers
Answer:
COULD WE PLEASE GET THIS ANSWER?????
Explanation:
If 83.6 grams of H2 and 257 grams of N2 react, how many grams of ammonia will be produced?
Answers
The mass of ammonia that would be produced is 312.5 g
First, we will write a balanced chemical equation for the reaction
The balanced chemical equation for the reaction is
3H₂(g) + N₂(g) → 2NH₃(g)
This means
3 moles of hydrogen gas reacts with 1 mole of nitrogen gas to produce 2 moles of ammonia.
First, we will determine the number of moles of each reactant present
For Hydrogen (H₂)
Mass = 83.6 g
Molar mass = 2.016 g/mol
Using the formula
\(Number\ of\ moles = \frac{Mass}{Molar\ mass}\)
Number of moles of H₂ present = \(\frac{83.6}{2.016}\)
∴ Number of moles of H₂ present = 41.468254 moles
For Nitrogen (N₂)
Mass = 257 grams
Molar mass = 28.0134 g/mol
∴ Number of moles of N₂ present = \(\frac{257}{28.0134}\)
Number of moles of N₂ present = 9.174181 moles
Since,
3 moles of hydrogen gas reacts with 1 mole of nitrogen gas to produce 2 moles of ammonia
Then,
27.522543 moles of hydrogen gas will react with the 9.174181 moles of nitrogen gas to produce 18.348362 moles of ammonia
∴ 18.348362 moles of ammonia will be produced during the reaction
Now, for the mass of ammonia that would be produced
From the formula
Mass = Number of moles × Molar mass
Molar mass of ammonia = 17.031 g/mol
Mass of ammonia that would be produced = 18.348362 × 17.031
Mass of ammonia that would be produced = 312.49095 g
Mass of ammonia that would be produced ≅ 312.5 g
Hence, the mass of ammonia that would be produced is 312.5 g
Learn more here: https://brainly.com/question/13902065
Which of the following statements is TRUE o On a given day, the temperature value of west facing wall reaches a peak before east facing wall o On a given day, the temperature value of north facing wall reaches a peak before south facing wall o From thermal comfort point of view, thick walled structures are beneficial in hot and humid climates o From thermal comfort point of view, thick walled structures are beneficial in hot and dry climates
Clear my choice
Answers
From thermal comfort point of view, thick walled structures are beneficial in hot and humid climates is the statement that is true.The correct option is C.
Thick walled structures are beneficial in hot and humid climates from the thermal comfort point of view.How do thick walled structures help in hot and humid climates - In hot and humid climates, thick walls tend to absorb the heat present in the environment. This absorption helps to keep the interior of the structure cool.
Additionally, thick walls take more time to heat up and more time to cool down. Thus, in hot and humid climates, thick walls are a better choice than thin walls because they provide thermal comfort.
To know more about thermal visit :
brainly.com/question/13147561
#SPJ11
1. What is the International System of Units and its abbreviation?
Answers
Answer:
SI
modern form of the metric system
Explanation:
Define Condensation .
Answers
Answer:
Condensation is the change of the physical state of matter from the gas phase into the liquid phase.
Answer:
the conversion of a vapour or gas to a liquid is defined as condensation.
Which option describes energy being released as heat?
A.Lions sleeping after a big meal
B.A baby bird eating a worm
C.A child shivering in the cold
D.A surfer on a surfboard
Answers
Answer: C. A child shivering in the cold
Explanation:
Did the test. :)
Given: 4.0 mL of methyl salicylate
a) Calculate the theoretical yield of salicylic acid from the given starting mass of methyl salicylate. Please also include the units from the calculations.
b) What key change do you expect to see in the IR spectrum when the ester starting material is converted to the carboxylic acid?
c) What key change do you expect to see in the 1H NMR spectrum when the ester starting material is converted to the carboxylic acid?
Answers
a)
To calculate the theoretical yield of salicylic acid from the given starting mass of methyl salicylate,
Explanation :
follow these steps:
1. Determine the molecular weights of methyl salicylate (C8H8O3) and salicylic acid (C7H6O3).
Methyl salicylate: 152.15 g/mol;
Salicylic acid: 138.12 g/mol
2. Calculate the mass of the 4.0 mL of methyl salicylate.
Assuming its density is 1.174 g/mL (check the actual density if available), mass = volume x density = 4.0 mL x 1.174 g/mL = 4.696 g.
3. Determine themoles of methyl salicylate:
moles = mass/mmolecular weight = 4.696 g/152.15 g/mol = 0.03083 mol.
4. Since the reaction between methyl salicylate and salicylic acid has a 1:1 stoichiometry, the moles of salicylic acid will be the same as the moles of methyl salicylate: 0.03083 mol.
5. Calculate the theoretical yield of salicylic acid: mass = moles x molecular weight = 0.03083 mol x 138.12 g/mol = 4.261 g.
The theoretical yield of salicylic acid from the given starting mass of methyl salicylate is 4.261 grams.
b)
In the IR spectrum, the key change when theester starting material (methyl salicylate) is converted to the carboxylic acid (salicylic acid) is the appearance of a broad O-H stretching band at around 2500–3300 cm1, indicating the presence of the carboxylic acid group.
c)
In the 1H NMR spectrum, the key change when the ester starting material (methyl salicylate) is converted to the carboxylic acid (salicylic acid) is the disappearance of the singlet peak corresponding to the methyl protons of the ester group (3.8 ppm) and the appearance of a new peak corresponding to the carboxylic acid proton (10–12 ppm).
To know more about the methyl salicylate https://brainly.com/question/28571674
#SPJ11
Score of 0.500 M solution of a weak acid,[H+] was measured as 4.02× 10 to the -3rdM, what is the dissociation constant?
Answers
Answer:
Explanation:
1.0
⋅
10
−
7
Explanation:
Start by writing a balanced chemical equation for the partial ionization of the acid
HA
(aq]
+
H
2
O
(l]
⇌
A
−
(aq]
+
H
3
O
+
(aq]
Notice that you have
1
:
1
mole ratios across the board. For every mole of acid that ionizes in aqueous solution, you get one mole of its conjugate base and one mole of hydronium ions,
H
3
O
+
.
In other words, the equation produces equal concentrations of conjugate base and hydronium ions.
Now, you can use the pH of the solution to calculate the equilibrium concentration of the hydronium ions.
pH
=
−
log
(
[
H
3
O
+
]
)
⇒
[
H
3
O
+
]
=
10
−
pH
In your case, the pH of the solution is equal to
4
, which means that you'll have
[
H
3
O
+
]
=
10
−
4
M
By definition, the acid dissociation constant,
K
a
, will be equal to
K
a
=
[
A
−
]
⋅
[
H
3
O
+
]
[
HA
]
The expression for the acid dissociation constant is written using equilibrium concentrations. So, if the reaction produced a concentration of hydronium ions equal to
10
−
4
M
, it follows that it also produced a concentration of conjugate base equal to
10
−
4
M
.
Because the initial concentration of the acid is considerably higher than the concentrations of the conjugate base and hydronium ions, you can approximate it to be constant.
This means that the acid dissociation constant for this acid will be
K
a
=
10
−
4
⋅
10
−
4
0.100
=
1.0
⋅
10
−
7
This is the underlying concept behind an ICE table
HA
(aq]
+
H
2
O
(l]
⇌
A
−
(aq]
+
H
3
O
+
(aq]
I
0.100
0
0
C
(
−
x
)
(
+
x
)
(
+
x
)
E
0.100
−
x
x
x
Here
x
represents the equilibrium concentration for the conjugate acid and hydronium ions. Since you know that
x
=
10
−
4
, you will have
K
a
=
10
−
4
⋅
10
−
4
0.100
−
10
−
4
Once again, you can use
0.100
−
10
−
4
=
0.0999
≈
0.100
to get
K
a
=
10
−
8
0.100
=
1.0
⋅
10
−
7
A small piece of hot metal is placed in cooler water. The metal is left in the water
until the metal and water have the same temperature (they are in thermal equilibrium).
Based on the conservation of energy, which of the following statements about the energy
of the metal and water system is true?
a) the amount of energy lost by the metal is less than the amount of energy gained by the water
b) the amount of energy lost by the metal is equal to the amount of energy gained by the water
c) the amount of energy lost by the metal is greater than the amount of energy gained by the water
Answers
Answer: The amount of energy lost by the metal is equal to the amount of energy gained by the water
Explanation:
Which mechanism accounts for the reaction of 4-bromotoluene with sodium amide to form a mixture of 3- and 4-aminotoluene? show mechanism.
1). Electrophilic aromatic substitution
2). Nucleophilic aromatic substitution by addition-elimination
3). Nucleophilic aromatic substitution by elimination-addition
4). Unimolecular nucleophilic substitution (SN1)
Answers
The mechanism that accounts for the reaction of 4-bromotoluene with sodium amide to form a mixture of 3- and 4-aminotoluene is nucleophilic aromatic substitution by addition-elimination. The correct alternative id option 2.
In this mechanism, the sodium amide acts as a strong nucleophile and attacks the electrophilic carbon in the aromatic ring of 4-bromotoluene.
The resulting intermediate is a highly unstable negative charge on the carbon atom of the ring, which is stabilized by the electron-withdrawing effect of the bromine substituent. The negative charge is delocalized around the ring, making the intermediate highly reactive.
The intermediate then undergoes an elimination reaction, in which the bromine atom is displaced by the incoming nucleophile, the sodium amide.
This creates an unstable intermediate with a negative charge on the carbon atom and a positively charged nitrogen atom. This intermediate quickly rearranges to form the final product mixture of 3- and 4-aminotoluene.
To know more about Nucleophilic aromatic substitution here:
https://brainly.com/question/29910163#
#SPJ11
what is the chemical structure of: Nitrogen,Oxygen,carbon dioxide
Answers
Answer:
Nitrogen is N2
Oxygen is O2
Carbon dioxide is CO2
147 grams of argon to liters
Answers
Answer:
Explanation:
3.6797837188344116 mol
How many hydrogen atoms are present in 4 mg of aspartame?
Answers
\(molecular \: formula \: = C_{14}H_{18}N_{2}O_{5} \\ \)
\(molar \: mass = 294\: g.mol {}^{ - 1} \)
\(n_{aspartame} = \frac{mass}{molar \: mass} = \frac{4 \times 10 {}^{ - 3} }{294} = 1.36055 \times 10 {}^{ - 5} moles \\ \)
\(1 \: mole \: asp = 18 \: moles \: hydrogen \\ n_{hydrogen} = 18 \times n_{aspartame}\)
\(atoms_{hydrogen} = n_{hydrogen} \times 6.022 \times 10 {}^{23} \\ atoms_{hydrogen} = 0.0002448979591 \times 6.022 \times 10 {}^{23} \\ atoms_{hydrogen} = 1.4747755 \times 10 {}^{20} atoms\)
What type of reaction is this? 2H2 + O2 ==>2H 20 + Energy
Answers
Answer:
Combustion
Explanation:
what is the orbital diagram for silicon
Answers
Answer: Silicon the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for Silicon go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons.
Hope this helps! :)
If a 78.51 g stone is added to a graduated cylinder, the water level rises from 20 mL to 45 mL. What is the density of the stone?
Answers
Answer:
The answer is 3.14 g/mLExplanation:
The density of a substance can be found by using the formula
\(density = \frac{mass}{volume}\\\)
From the question
mass = 78.51 g
volume = final volume of water - initial volume of water
volume = 45 - 20 = 25 mL
So we have
\(density = \frac{78.51}{25} \\ = 3.1404\)
We have the final answer as
3.14 g/mLHope this helps you
which type of chemical reaction must be predicted using solubility rules?
Answers
Solubility rules are used to predict the outcome of precipitation reactions, which involve the formation of insoluble products.
Solubility rules are guidelines that help predict the solubility of different compounds in water. These rules are based on the general principles of ionic interactions and the solubility of common ionic compounds. When two soluble compounds are mixed together, a precipitation reaction may occur if the resulting compound formed is insoluble in water.
In precipitation reactions, the reactants are typically aqueous solutions of two different compounds. The solubility rules are used to determine if a precipitate will form by identifying the combination of ions that can form an insoluble compound. The rules state that certain combinations of ions will result in the formation of insoluble products, while others will remain soluble in water.
In conclusion, solubility rules are used to predict precipitation reactions, which involve the formation of insoluble products. These rules help determine whether certain combinations of ions will result in the formation of a precipitate or if the compounds will remain soluble in water. By understanding the solubility properties of different ions, scientists and chemists can predict the outcome of chemical reactions and better understand the behavior of substances in solution.
To learn more about Solubility refer:
https://brainly.com/question/23946616
#SPJ11
Which characteristic best explains the difference in melting behavior of covalent substances and ionic substances? Ionic substances have weaker intermolecular attractions. Ionic substances usually have stronger atomic bonds. Covalent substances have weaker intermolecular attractions. Covalent substances usually have stronger atomic bonds.
Answers
Answer:
Option C is correct
Explanation:
Covalent substances have weaker intermolecular attractions.
Scored 100% on my quiz on Edge :)
The characteristic that best explains the difference in melting behaviors is
Covalent substances have weaker intermolecular attractions ( C )The melting point of covalent substances ( i.e. substances bounded by covalent bonding ) is lower than the melting point of ionic substances, this is because of the weak intermolecular attractions which exists in covalent compounds and this makes atoms in covalent substance to dissociate easily .
Hence we can conclude that the characteristic that best explains the difference in melting behaviors is Covalent substances have weaker intermolecular attractions.
Learn more : https://brainly.com/question/4997864
Draw (on paper) a Lewis diagram for CH3CH2CH2OH
Use your diagram to answer the following questions.
The number of C-H bonds =
The number of O-H bonds is
The number of C-C single bonds =
The number of C-O single bonds =
The total number of lone pairs =
Answers
The structure of ethanol is shown below. As a result, the molecule CH3CH2OH C H 3 C H 2 O H is polar. Both a Lewis acid and a Lewis base, CH3CH2OH C H 3 C H 2 O H, can function.
Due to the oxygen atom's lone pair of electrons, it is primarily a Lewis base. The most polar of these is the O-H bond. The difference in electronegativity between the two atoms involved can be used to explain it. Ethanol, with the chemical formula CH3 CH2 OH, contains hydrogen bonds. Covalent bonds between hydrogen atoms produce hydrogen bonds. However, CH3CH2OH alone displays hydrogen bonding, which is substantially stronger than the intermolecular forces that are present in the other options.
To find more on atoms, refer here:
https://brainly.com/question/17545314
#SPJ4
Using the Lewis diagram, I was able to determine that: 1) there are 7 C-H bonds, 2) there are 1 O-H bonds, and 3) The C-C bond count is 2, 4) The C-O bond count is 1, 5) There are 2 lone pairings.
Lewis diagram, often referred to as Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDS), are diagrams that depict the interactions of atoms in molecules as well as any lone pairs of electrons that may be present. Any covalently bound molecule, as well as coordination compounds, can be represented by a Lewis structure. Gilbert N. Lewis introduced the Lewis structure in his 1916 essay The Atom and the Molecule, and it bears his name. By adding lines between atoms to indicate shared pairs in a chemical bond, Lewis structures expand on the idea of the electron dot diagram.
learn more about Lewis diagram here:
https://brainly.com/question/16659675
#SPJ4
What are 3 examples of polygenic traits?.
Answers
Examples of polygenic traits are height, hair color, skin ,eye color and hair colors.
Polygenic traits are controlled by multiple genes instead of just one. The genes that control them may be located near each other or even on separate chromosomes. Because multiple genes are involved, polygenic traits do not follow Mendel's pattern of inheritance. Human phenotypes are polygenic traits. polygenic trait is influenced by many genes that work together to produce the phenotype. Hair color is largely determined by the type and quantity of a pigment called melanin which is produced by a specialized cell type within the skin called melanocytes. The quantity and ratio of melanin pigments determine black, brown, blond, and red hair colors. these are polygenic traits.
To learn more about Polygenic Traits please visit:
https://brainly.com/question/521134
#SPJ4
This molecule has ___ bonds and is a ___ molecule.
a. nonpolar, polar
b. polar, nonpolar
c. nonpolar, nonpolar
d. polar, polar
explain why
Answers
An inherited characteristic of an organism is called a ___________________.
Answers
Answer:
fitness. the ability of an organism to survive and reproduce in its environment. adaptation. the inherited characteristic that increases an organism's chance of survival.
An inherited characteristic of an organism is called a heredity.
What do you mean by heredity ?The term heredity refers to the genetic heritage passed down by our biological parents. It is the transmission of traits from one generation to another generation. These traits can be physical, such as eye colour, blood type or a disease, or behavioral.
Heredity is also called biological inheritance, is the exiting of of traits from parents to their offspring either through asexual reproduction or sexual reproduction.
Heredity is a process in which organisms develop characteristics from their parents. These characteristics are called traits. Inheritance is the transmission of information from one generation of individuals to the next.
Thus, An inherited characteristic of an organism is called a heredity.
To learn more about the heredity, follow the link;
https://brainly.com/question/869836
#SPJ2
as -19.4 kj/mol for ca2 ca2 entering the frog muscle cell. what does this numerical value signify about the physical process taking place?
Answers
the numerical value of -19.4 kj/mol signifies that the process of Ca2+ entering the frog muscle cell is exothermic. This means that energy is released during the process, resulting in a decrease in the enthalpy of the system. The negative sign indicates that the reaction is exothermic
the numerical value of -19.4 kj/mol signifies that the process of Ca2+ entering the frog muscle cell is exothermic. This means that energy is released during the process, resulting in a decrease in the enthalpy of the system. The negative sign indicates that the reaction is exothermic, while the value of -19.4 kj/mol represents the amount of energy released per mole of Ca2+ that enters the cell. This value is important because it provides information about the energetics of the process and helps to understand the thermodynamics of the system.
The numerical value -19.4 kJ/mol for Ca2+ ions entering the frog muscle cell signifies that this is an exothermic physical process.
An exothermic process is one in which energy is released, typically in the form of heat, during the reaction or transformation. The negative sign (-) in front of the value -19.4 kJ/mol indicates that energy is being released as the Ca2+ ions enter the frog muscle cell. This process is essential for muscle contraction and overall muscle function in the frog.
To know more about exothermic , visit
https://brainly.com/question/31214950
#SPJ11