Answer:
0.052636002587839 moles
Explanation:
im not sure so sorry if u get it wrong...
Two parents who are both Gg (Bb) for a gene are crossed. The genetic makeup of the offspring is that some will be Gg and some gg.
Question 2 options:
True
False
Answer:
false
Explanation:
The genotype of 50% of offspring will be Gg, 25% will be gg, and 25% will be GG. Hence, it is true.
What is a genotype?An organism's genotype is made up of all of its genetic components. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype. In other words, it is the genetic makeup of an organism. Phenotypes are determined by genotypes.
There are three different genotype types: homozygous dominant (PP), homozygous recessive (PP), and heterozygous (Pp). Examples of genotypes are hair color, skin color, height, hair texture, and blood group.
When two parents who are both Gg (Bb) for a gene are crossed, then the genotype of their offspring will be GG, gg, Gg. Hence, it is true.
Learn more about genotype, here:
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The simplest method to convert an alcohol to an alkyl halide is by reacting the alcohol with concentrated HCl, HBr, or HI. Complete the mechanism and draw the intermediates and final products for the reaction of 1,3-dimethylcyclohexanol with concentrated HCl. Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the grid and connecting them with bonds, including charges where needed. Indicate the mechanism by drawing the electron-flow arrows on the molecules. Arrows should start on an atom or a bond and should end on an atom, bond, or where a new bond should be created.
Answer:
B ska Uffculme u to quell torso
HELP ME PLEASE !!!!!!
Answer:
1 gram of the substance
Explanation:
You have to put grams in the denominator, so they cancel out and leave you with moles
What do you make when you dissolve sugar in water?
A. A solubility
B. A solute
C. A solution
D. A solvent
Answer:
Answer is c.
Explanation:
when you mix sugar with water,the sugar dissolves to make a transparent solution.
I hope it's helpful!
What is the mass of 4.5 x 10^22 molecules of hydrogen peroxide (H2O2)? Show your work in the space below.
Given :
Number of molecules of hydrogen peroxide, N = 4.5 × 10²².
To Find :
The mass of given molecules of hydrogen peroxide.
Solution :
We know, 1 mole of every compound contains Nₐ = 6.022 × 10²³ molecules.
So, number of moles of hydrogen peroxide is :
[tex]n = \dfrac{N}{N_a}\\\\n = \dfrac{4.5\times 10^{22}}{6.022\times 10^{23}}\\\\n = 0.0747 \ moles[/tex]
Now, mass of hydrogen peroxide is given as :
m = n × M.M
m = 0.0747 × 34 grams
m = 2.54 grams
Hence, this is the required solution.
What are the steps through which a water particle travel as it made one complete trip through the water cycle?
You want to know how many moles of gas your lungs can hold. You start off with a balloon that has 1.4 moles of gas and occupies 22.4L. You then blow all the air from your lungs into the balloon. The balloon now occupies 28.4L. How many moles of gas did you blow into the balloon.
A) 1.775 moles
B) .0013 moles
C) 43.56 moles
D) 2,654 moles
Number of moles : n₂ = 1.775 moles
Further explanationGiven
Moles = n₁ = 1.4
Volume = V₁=22.4 L
V₂=28.4 L
Required
Moles-n₂
Solution
Avogadro's hypothesis, at the same temperature and pressure, the ratio of gas volume will be equal to the ratio of gas moles
The ratio of gas volume will be equal to the ratio of gas moles
[tex]\tt \dfrac{V_1}{V_2}=\dfrac{n_1}{n_2}[/tex]
Input the values :
n₂ = (V₂ x n₁)/V₁
n₂ = (28.4 x 1.4)/22.4
n₂ = 1.775 moles
Plz help me I am timed
The Great Plains are also referred to as
a. marshes
b. lowlands
c. interior plains
d. plateaus
Answer:
C. interior plains
Explanation:
sana makatulong
Answer:
interior plains
Explanation:
edge 2021
a 0.555 g sample of mayonnase was burned in excess oxygen inside a bomb calorimeter with a total heat capacity (bomb and water) of 5.20 kh/c. the temperature rose 2.93 c. find the number of dietary calorues in a 10.0 g serving of mayonaise
Answer:
[tex]Dietary\ Calories=65.6kcal[/tex]
Explanation:
Hello!
In this case, since we can see that the heat released by the combustion of the mayonnaise is absorbed by the bomb calorimeter and water, we can set up the following equation:
[tex]m_{mayonnaise}q_{mayonnaise}=C\Delta T[/tex]
Whereas q for mayonnaise stands for the heat due to its usage; thus, we plug in to obtain:
[tex]q_{mayonnaise}=\frac{5.20kJ/\°C*2.93\°C}{0.555g} \\\\q_{mayonnaise}=27.45\frac{kJ}{g}[/tex]
Now, if 10.0 g are eaten, the energy provided by it turns out:
[tex]E_{mayonnaise}=27.45kJ/g*10.0g\\\\E_{mayonnaise}=274.5kJ[/tex]
And we need that value in dietary calories, 1 kcal:
[tex]Dietary\ Calories=274.52kJ*\frac{1kcal}{4.184kJ}\\\\ Dietary\ Calories=65.6kcal[/tex]
Best regards!
Write the acid-base reaction between the weak base ammonia NH3 and the strong acid hydrochloric acid HCL.
Answer:
HCl + NH₃ → NH₄⁺ + Cl⁻
Explanation:
When a strong acid as HCl reacts with a weak base as NH₃ a salt that comes from the conjugate acid, NH₄⁺, and the ion of the acid, Cl⁻, is produced as follows:
HCl + NH₃ → NH₄⁺ + Cl⁻This is the acid- base reaction
The base captures the proton of the acid (proton aceptor) and the acid give the proton (Proton donor)
If a soccer ball has a mass of 0.43 kg and radius of approximately 22 cm, calculate the density of the soccer ball in g/cm? (V. = (4/3)Arº) sphere
Answer: 0.0096g/cm^3
Explanation: density = mass/1.33*pi*r^3
Help please due today
Answer:
It takes millions of years to form,
Compressing on the ocean floor.
Then one day they come to shore
and sediments they are no more.
They can sometimes tell of life before
with layers, fossils and much more! this is the rock formation
it's not a decoration .
Explanation:
What happens in a chemical reaction?
A
Substances change in appearance but not in chemical composition.
B
Substances change from solid to liquid or gas.
C
Substances interact to form one or more new substances.
D
New atoms are created or destroyed.
if kept at a constant temperature, what is the concentration at 865s if the initial concentration was 0.0225M
Answer:
[tex][SO_2Cl_2]=0.0175M[/tex]
Explanation:
Hello!
In this case, considering that the decomposition reaction of SO2Cl2 is first-order, we can write the rate law shown below:
[tex]r=-k[SO_2Cl_2][/tex]
We also consider that the integrated rate law has been already reported as:
[tex][SO_2Cl_2]=[SO_2Cl_2]_0exp(-kt)[/tex]
Thus, by plugging in the initial concentration, rate constant and elapsed time we obtain:
[tex][SO_2Cl_2]=0.0225Mexp(-2.90x10^{-4}s^{-1}*865s)[/tex]
[tex][SO_2Cl_2]=0.0175M[/tex]
Best regards!
Determine the number of atoms in the following chemical formula: 3Mg(OH4)2
A. 33
B. 30
C. 13
D. 19
The number of atoms : 33
Further explanationGiven
The chemical formula: 3Mg(OH₄)₂
Required
The number of atoms
Solution
The chemical formula of a compound shows the mole ratio and the number of each of its constituent components (number of atoms)
Usually, the ratio of the elements in a compound is indicated by their subscript number after the monoatomic or polyatomic in the compound
While the coefficient in front of the compound indicates the number of molecules
In the chemical formula 3Mg (OH₄) ₂, there are 3 molecules of Mg (OH₄) ₂, so the number of atoms of the elements:
Mg = 3
O = 3 x 2 = 6
H = 3 x 4 x 2 = 24
Total atoms = 3 + 6 + 24 = 33
Based on the context in paragraph 4 fossils refers to
Answer:
i am not sure i am really just doing it for the points but yea
Explanation:
im just ok lol i wish you guys the best
Answer:
shtfu
Explanation:
Why is heat needed to get a reaction to occur
Answer:As temperature increases, reactions take place. Generally, higher temperatures mean faster reaction rates; as molecules move about more quickly, reactant molecules are more likely to interact, forming products.
Explanation:
Answer:
Endothermic and Exothermic Reactions
Many familiar chemical reactions, such as the burning of coal, rusting and exploding gunpowder, give off heat; chemists call these reactions exothermic. Because reactions liberate heat, they increase the ambient temperature.
HELP PLEASEEEE I BEG
What is the mass of 1.20 x 1024 atoms of potassium?
Answer:
77.9 g
explanation:
Answer: 77.9 g
Explanation:
Chloroform has a density of 1.483g/ml. A sample of chloroform has a volume of 1.93 liters. How many kilograms does it weight?
Weight of Chloroform : = 2.862 kg
Further explanationGiven
Density 1.483 g/ml
Volume = 1.93 L
Required
Weight of Chloroform
Solution
Density is a quantity derived from the mass and volume
Density is the ratio of mass per unit volume
Density formula:
[tex]\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}[/tex]
ρ = density
m = mass
v = volume
Convert density to kg/L :
=1.483g/ml = 1.483 kg/L
So the weight(mass) :
= ρ x V
= 1.483 kg/L x 1.93 L
= 2.862 kg
Which choice best describes what would happen if a cube with a density of 0.2 g/mL were placed in a container of water?
A. It would float with about 80% of the cube below the surface of the water and 20% above the surface.
B. It would float with about 20% of the cube below the surface of the water and 80% above the surface.
C. It would sink to the bottom.
D. It would fly away.
Answer:
A. It would float with about 80% of the cube below the surface of the water and 20% above the surface.
Explanation:
The choice that best describes what happens to cube of the given density value is that it would float with about 80% of the cube would be below the surface of the water and 20% above the surface.
Density is the mass per unit volume of a substance. The more mass a body has relative to volume, the great it's density. In short, density is directly proportional to mass and inversely related to volume.
The density of water is 1g/mL
If the density of the cube were to be the same with that of water, the substance will just mix up with water .
Here the density is less than that of water.
The density is 0.2g/mL
Therefore, 20% will stay afloat and 80% will be below the surface of the water.
How hot will a 2.5 L balloon have to get to expand to a volume of 5 L? Assume that the initial temperature of the balloon is 22 C?
The final temperature : 317 °C
Further explanationGiven
V₁=2.5 L
V₂ = 5 L
T₁ = 22 + 273 = 295 K
Required
The temperature, T₂
Solution
Charles's Law
When the gas pressure is kept constant, the gas volume is proportional to the temperature
[tex]\tt \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}[/tex]
Input the value :
T₂ = (T₁ x V₂) : V₁
T₂ = (295 x 5) : 2.5
T₂ = 590 K = 317 °C
Some organisms are composed of only ONE cell. *
O True
O false
read the dictionary entry.
spite (n): petty, malicious, or small-minded desire to harm or humiliate
in which sentence is the word spite used as a noun?
a. the two old neighbors continually spite each other with their gaudy yard displays.
b. i did not intend to spite my brother when i beat him in the political debate.
c. the runner completed several victory laps to spite his opponents.
d. sisters played against each other in tennis, but they did it without spite.
Answer:
d. The sisters played against each other in tennis, but they did it without spite.
Explanation:
Answer:
The sisters played against each other in tennis, but they did it without spite
Explanation:
1. What are at least 3 effects of the oceanic plate/continental plate convergent boundary?
2. Where can you find an example of this type of convergent boundary? Which country, continent, or ocean?
Answer 1: The correct answer is b. convergent continental-continental boundary.
A convergent continental-continental boundary refers to a convergent plate boundary where two continental plates meet or come together. When this happens, a forceful collision occurs, and structures like mountains start to form. The Himalaya mountain range is formed as a result of the convergence of the Indian and Eurasian continental plates.
Answer 2: The correct answer is d. convergent oceanic-oceanic boundary.
Volcanic island arcs refers to a curved line of volcanoes formed from the subduction (sinking) of one oceanic plate below another plate. Examples of volcanic island arcs include Japanese Islands and Alaskan Islands.
Answer 3: The correct answer is b.convergent oceanic-continental boundary.
A continental volcanic arc is an arc-shaped chain of volcanoes that form from the subduction of an oceanic plate under a continental plate.
A main group element with the valence electron configuration 3s23p1 is in periodic group __________. It forms a monatomic ion with a charge of ________.
A main group element with the valence electron configuration 4s24p5 is in periodic group _________. It forms a monatomic ion with a charge of __________ .
Answer:
Follows are the solution to this question:
Explanation:
Please find the complete question in the attachment file.
In option a)
In the periodic group of [tex]3s^2 \ 3p^1[/tex] main group component to valence electronic structure (IIIA group) and Aluminum (Al). The monatomic ion forms a load of (+3)
In option b)
The Chlorine within the periodic group (VIIA group) is the main group element for valence electron configuration [tex]3s^2\ 3p^5[/tex] (Cl). It constitutes a monatomic ion with a load of (-1).
Electron configuration is the arrangement and distribution of electrons of an atom in an atomic orbital or of a molecule in a molecular orbital.
They are arranged according to the energy levels known as 1, 2, 3, 4, 5, and in the shells namely K, L, M, N.
1.The correct answers for the blank are:
blank 1: III A groupblank 2: +3In the periodic group III A the element with electronic configuration
[tex]3s^{2} 3p^1[/tex]
is aluminium (Al) and the monatomic ion formed will be +3 charge.
2. The correct answers for the blank are:
blank 1: VII A groupblank 2: -1Chlorine (Cl) is the main group element with electronic configuration of
[tex]4s^{2} 4p^5[/tex]
and the charge of the monatomic ion is -1.
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1. 2.50 g of hydrogen gas is heated from 17.0°C to 23.0°C. The specific heat capacity of hydrogen is 14.267 J/g C. How much energy is absorbed?
Answer:
Q = 214.005 J
Explanation:
Given that,
Mass, m = 2.5 g
The hydrogen gas is heated from 17.0°C to 23.0°C.
The specific heat capacity of hydrogen is 14.267 J/g C.
We need to find how much energy is absorbed.
The formula for the energy absorbed is given by :
[tex]Q=mc\Delta T\\\\Q=2.5\times 14.267 \times (23-17)\\\\Q=214.005\ J[/tex]
So, the required energy is 214.005 J.
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0 g of luminol into a total volume of 75.0 mL of H2O . What is the molarity of the stock solution of luminol
Answer:
0.753M
Explanation:
Molecular formula of luminol is as follows: C8H7N3O2
Molecular formula of the luminol (C8H7N3O2) = 12(8) + 1(7) + 14(3) + 16(2)
= 96 + 7 + 42 + 32
= 177g/mol
mole of luminol = mass/molar mass
mole = 10 ÷ 177
mole = 0.0565 mol
Molarity can be calculated using the formula: Molarity = mol/volume (L)
Volume of water = 75.0 mL = 75/1000
= 0.075L
Molarity (M) = 0.0565 ÷ 0.075
The molarity of the stock solution = 0.753M
A symbiotic relationship in which one organism benefits while the other one is unaffected
A.parasitism
B.mutualism
C.commensalism
I think it's C. commensalism
Answer:
COMMENSALISM IS CORRECT
Explanation:
the laywer loves mint tea, but all she has in mint oil. is this a good choice to add to make mint tea? why or why not?
Answer:
it is
Explanation:
i think all you have to do is add mint oil to boiling hot water and you get mint tea i guess