Answer:
A. genetically identical
Explanation:
Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent. A single individual can produce offspring asexually and large numbers of offspring can be produced quickly
All the offspring that are produced in the process are genetically identical.
When we talk about this mode of reproduction, we talk about a mode of reproduction in which an organism reproduces without the fusion of gametes. This occurs essentially by cell division.
When this occur, there is no crossing of genetic material as such, all the offspring that are produced in the process are genetically identical.
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What is happening at x ?
How many chickens would it take to kill an elephant?
Answer: One chicken with a bomb
Answer: 26,000 chickens
Explanation:
See photo please. I need help on balancing equations.
1.4,2,4,2
2.6,2,2
3.
Explanation:
sorry but can I finish the balancing below the comment after some ours
Answer:
A, 2,1,2,1
B, 3,1,1
C, 1,2,1,2
D, 2,1,1
balance this
C3H3N + O2 ⇒ C + H2O + N2
Answer:
4C₃H₃N + 3O₂ → 12C + 6H₂O + 2N₂
Explanation:
The given reaction equation is expressed as:
C₃H₃N + O₂ → C + H₂O + N₂
The problem here entails balancing of the chemical reaction.
So;
assign letters a,b,c,d and e as coefficients that will balance the expression:
aC₃H₃N + bO₂ → cC + dH₂O + eN₂
Conserving C : 3a = c
H : 3a = 2d
N : a = 2e
O: 2b = d
let a = 1, c = 3, e = [tex]\frac{1}{2}[/tex] , d = [tex]\frac{3}{2}[/tex] , b = [tex]\frac{3}{4}[/tex]
Multiply through by 4;
a = 4, b = 3, c = 12 , d = 6 and e = 2
4C₃H₃N + 3O₂ → 12C + 6H₂O + 2N₂
which diagram would this be?
Carbonic acid ---> water + carbon dioxide
so it's the second option
should i get this? i heard it smells good
Answer: Maybe not? Unless you care about namebrand, theres lots of dupes.
Sonar stands for “sound navigation and ranging.” What assumption was proved wrong after the invention of sonar?
A.
The age of the ocean floor is variable.
B.
The ocean floor is featureless.
C.
The ocean floor is changing.
D.
The ocean floor is denser than continental crust.
The ocean floor being featureless was the assumption was proved wrong after the invention of sonar.
What is Sonar?This employs the use of sound propagation to measure the distance or presence of objects under the water.
This helped to show that the ocean floor had features such as canyons, mountains etc hence option B was chosen.
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To locate objects in their environments, bats in flight and porpoises under water both use ultrasound waves with frequencies that are beyond human hearing. These animals produce an ultrasonic wave and then detect echoes from nearby objects in order to determine the location of the object Porpoise Bat If a porpoise and a bat both produce ultrasonic waves when they are 16 meters from an object, which animal would hear its echo first? The bat would hear its echo first because sound travels faster in air than in water. O The porpoise would hear its echo first because sound travels faster in water than in air. O The bat would hear its echo first because the frequency of sound waves is greater in air than in water 0 The porpoise would hear its echo first because the frequency of sound waves is greater in water than in air.
Answer: The porpoise would hear its echo first because sound travels faster in the water than in air.
Explanation:
2. Based on what you know about waves and light, do you think that light can be
modeled as a wave? Explain why or why not.
Answer:
Light as a wave: Light can be described (modeled) as an electromagnetic wave. In this model, a changing electric field creates a changing magnetic field. This changing magnetic field then creates a changing electric field and BOOM - you have light. ... So, Maxwell's equations do say that light is a wave.
Explanation:
Hope this helps
Answer:
Light as a wave: Light can be described (modeled) as an electromagnetic wave. In this model, a changing electric field creates a changing magnetic field. This changing magnetic field then creates a changing electric field and BOOM - you have light. ... So, Maxwell's equations do say that light is a wave.
Explanation:
Credit for 2021FOLLOWme
Can someone help me with these three questions? please
Answer:
23 43 45 43
Explanation:
What happens to the ice pack over time?
Answer:
it melts?
I don't really know but I have 60% that I think the answer is correct
In an experiment, zinc chlorate decomposed according to the following chemical equation. Zn(ClO3)2 → ZnCl2 + O2 (Molar mass of Zn(ClO3)2 = 232.29 g/mol; ZnCl2 = 136.286 g/mol; O2 = 31.998 g/mol) If the mass of zinc chlorate was 150 grams, which of the following calculations can be used to determine the mass of oxygen gas formed?
The mass of oxygen gas : = 61.98 g
Further explanationGiven
Reaction
Zn(ClO3)2 → ZnCl2 + O2
The mass of zinc chlorate was 150 grams
Required
The mass of oxygen gas
Solution
Balanced equation :
Zn(ClO₃)₂ → ZnCl₂ + 3O₂
mol of Zn(ClO₃)₂ :
= mass : MW
= 150 : 232.29 g/mol
= 0.6457
From equation, mol ratio of Zn(ClO₃)₂ → ZnCl₂ : O₂ = 1 : 3, so mol O₂ :
= 3/1 x mol Zn(ClO₃)₂
= 3/1 x 0.6457
= 1.937
Mass of O₂ :
= mol x MW
= 1.93 x 31.998 g/mol
= 61.98 g
Or we can use equation :
= (150 x 3 x 31.998) : (232.29 x 1) grams
= 14399.1 : 232.29
= 61.98 g
The number of moles of Zn(ClO₃)₂ was calculated as 150 g / 232.29 g/mol, substitute that value into the equation along with the molar mass of O₂ (31.998 g/mol) to find the mass of oxygen gas formed.
Given:
The mass of oxygen = 61.98 g
The mass of zinc chlorate = 150 grams
The balanced reaction is:
Zn(ClO₃)₂ → ZnCl₂ + 3O₂
Mol of Zn(ClO₃)₂ :
Mass: MW
150: 232.29 g/mol
0.6457
From equation, mol ratio of Zn(ClO₃)₂ → ZnCl₂ : O₂ = 1 : 3, so mol O₂ :
= 3/1 x mol Zn(ClO₃)₂
= 3/1 x 0.6457
= 1.937
Mass of O₂ :
Mol x MW
=1.93 x 31.998 g/mol
= 61.98 g
= (150 x 3 x 31.998) : (232.29 x 1) grams
= 14399.1: 232.29
= 61.98 g
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PLEASE HURRY !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WILL GIVE BRAINLIEST
What type of rock is limestone? Describe how a limestone rock is likely to change over a long period of time.
Answer:
Over time, the limestone is broken down into its chemical parts and may come back to the surface as volcanic CO2 (in the atmosphere). From the atmosphere, the CO2 might again become part of the biosphere by molluscs or corals absorbing the CO2 to help make their shells
Explanation:
Over a long period of time, we would take a look at the rock "limestone" through the rock cycle. Limestone being a sedimentary rock would be converted to marble, a metamorphic rock if subjected to metamorphic conditions over an extensive period of time.
Which of these is not a chemical property?
Answer: srry
Explanation:
3. How many grams of oxygen are needed for the
complete combustion of 11 grams of propane, C3H8?
C3H8 + 5 O2 + 3 CO2 + 4 H2O
Answer:
Mass = 40 g
Explanation:
Given data:
Mass of oxygen needed = ?
Mass of propane = 11 g
Solution:
Chemical equation:
C₃H₈ +5O₂ → 3CO₂ + 4H₂O
Number of moles of propane:
Number of moles = mass/molar mass
Number of moles = 11 g/ 44.1 g/mol
Number of moles = 0.25 mol
now we will compare the moles of propane and oxygen.
C₃H₈ : O₂
1 : 5
0.25 : 5/1×0.25 = 1.25 mol
Mass of oxygen needed:
Mass = number of moles × molar mass
Mass = 1.25 mol × 32 g/mol
Mass = 40 g
How many grams of NH3 are needed to make 2.50 moles of (NH4)2SO4?
2 NH3(g) + H2SO4(aq) --> (NH4)2SO4(aq)
Answer:
85.155g NH3
Explanation:
Sulfur dioxide represents which of the following representative particles?
molecule
formula unit
atom
ion
Answer:
molecule
Explanation:
Sulfur dioxide represents a molecule.
A molecule is a covalent compound that has discrete or separate units. The formula of this molecule given is:
SO₂
Here, two non-metals share their valence electrons form a covalent bond.
An atom is the smallest indivisible particle of a substance that takes part in a chemical reaction. An ion is an atom that has lost or gained an electron.What is the trachea and where does it go?
Answer:
The trachea is a tube-like structure within the neck and upper chest. It transports air to and from the lungs when a person breathes. When a person inhales, air travels through the nose or mouth, down the trachea, and into the lungs.
Explanation:
Brainliest plz
Which technique helps you become more resoureful
Answer:
There is an abundance of technology to help students become more resourceful and productive. For example, mind mapping can help kids better understand problems and devise plans by visualizing connections, outlining different sides of issues, and determining next steps.
Explanation:
4. How many moles are in 375 L of O2?
Answer: 16.7 moles
Explanation:
What human activities could increase erosion?
Check all that apply.
stripping the land of vegetation to build a mall
letting cattle overgrazing farmland
planting trees and shrubs
surrounding a corn field with a fence or shrubs
deforestation
plowing fields
I think it is the first one, the second one, and the fifth one. Hopefully helps :)
Plz help me with the electron dot structures! I’ll mark brainliest!
Compare and contrast ionic and molecular compounds.
Answer:
Ionic compounds consist of positive and negative ions bound together by electrical attraction. Molecular compounds are groups of atoms held together by covalent bonding, or the sharing of electrons..
Explanation:
How does adaption allow mice with the mutation to survive better in some areas
Answer: Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence.
Between the green skinned lime and the yellow skinned lime, which of these are more acidic.
WHICH SIGN CAN SAY THAT A PHYSICAL CHANGE HAS TAKEN PLACE
1.FORMATION OF GAS
2.FORMATION OF PRECIPITATE
3.EVOLUTION OF HEAT
4.ALL THE ABOVE
Answer:
4. all of the above
Explanation:
that my answer hehehe..
Please helppppppp. I need this D:
50 points
Answer:
dont u mean 13 points?
Explanation:
The melting point of an ionic compound is likely to be (answer) a molecular compound.
options:
higher than
lower than
the same as
Answer:
Higher than
solution and the liquid state
hard
Explanation:
Plz Plz Plz help!!!!!
Which list of elements contains a metal, a metalloid, and a nonmetal?
1) Ag, Si, I2
2) Ge, As, Ne
3) K, Cu Br2
4) S, Ci2, Ar
Name the following compounds and classify them as ionic or covalent.
a. Cu2CrO4
b. Ba(NO3)2
c. Cl2O
d. BrF5
The classification of the above given compounds would be listed below as follows:
a.) Cu2CrO4 = ionic
b. Ba(NO3)2 = ionic
c. Cl2O = ionic
d. BrF5= covalent
What is an ionic or covalent compound?An ionic compound are those chemical substances that are made up of both positively charged ions called cations and negatively charged ions called anions.
A covalent compound is defined as the type of chemical compound that is formed when two nonmetals react with each other. This is seen in the chemical compound BrF5 where bromine and fluorine which are both nonmetals react with each other.
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