Water is called the universal solvent
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Can some inherited traits be changed by an organism's environment?
Some inherited traits can be changed by an organism's environment because environment has a direct impact on organisms.
Can inherited traits be changed by environment?Traits allow a plant, animal, or other organism to survive and reproduce in its environment which is known as adaptations. Natural selection occurs when there is some variation in the inherited traits of organisms within a species.
So we can conclude that some inherited traits can be changed by an organism's environment because environment has a direct impact on organisms.
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What occurs during a solar eclipse?
Earth is closest to the Sun.
There are small tides across Earth.
The moon’s shadow falls on Earth.
The moon is covered in Earth’s shadow.
Answer:
Explanation:
option C is correct
Answer:
The moon is covered in Earth’s shadow.
Explanation:
When the moon goes behind the earth to the shadow it becomes a solar eclipse.
PS, Can you mark me brainlyest please.
There are well over 100 __________________ that exist on Earth
Answer:
species like plants, animals , human etc
Answer:
Dogs, Chocolate, Tvs, Phones.
Explanation:
how many grams are there in 0.6 moles of beryllium iodide, Bel2?
Convert mole to gram multiply it by the molar mass of BeI2
BeI2 molar mass = 262.8122g
0.6 moles x 262.8122g = 157.68g BeI2
how to create a particle model that would be more dense than a depicted one?
Answer:
make the particles close together (eg a solid is more dense than liquids as it has a fixed shape)
What is the molar mass of carbon disulfide (cs2)
No question, just wanted to know how y'all doing.
Answer:
Ello and im good
Explanation:
Answer:
Hello good how are you
Explanation:
who was the first person to create the periodic table
Answer:
Dmitri Ivanovich Mendeleev
Explanation:
A Russian chemist Dmitri Ivanovich Mendeleev gave the framework of the periodic table in 1869
Answer:
the first person was Dimitri mendeleev
an element (gas) used to make colorfully lit advertising signs
Neon element which is in gaseous form is used in lit advertising signs as it emits reddish orange glow on passage of current through it.
What is an element?It is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.
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2. How have observations of the natural world helped
in the development of calendars?
Answer:
just wanted points
Explanation:
i wasted your time srry
Show the reaction : Phenol to benzene
The reaction is given by
[tex]\\ \rm\Rrightarrow C_6H_5OH+Zn\longrightarrow C_6H_6+ZnO[/tex]
Answer:
See below ~
Explanation:
How does heat transfer? *
cold object to cold object
cold object to hot object
hot object to cold object
hot object to hot object
Answer:
hot object to cold object
1.8 L of a 2.4M solution of NiCl2 is diluted to 4,5 L. What is the resulting concentration of the diluted solution?
A pipet is used to transfer 5.00 mL of a 1.25 M stock solution in flask "S" to a 25.00-mL volumetric flask "B," which is then diluted with DI H2O to the calibration mark. The solution is thoroughly mixed. Next, 3.00 mL of the solution in volumetric flask "A" is transferred by pipet to a 50.00-mL volumetric flask "B" and then diluted with DI H2O to the calibration mark. Calculate the molarity of the solution in volumetric flask "B."
Answer:
The answer is "0.015 M ".
Explanation:
[tex]M_1 = 1.25 \ M\\\\M_2 = M_2\\\\V_1 = 5.00 \ mL\\\\V_2 = 25.00 \ mL \\\\\bold{\text{Formula:}}\\\\\to M_1 \times V_1 = M_2\times V_2\\\\\to M_2 = \frac{ M_1 \times V_1}{V_2}\\\\=\frac{( 1.25 \times 5.00 )}{ 25.00}\\\\=\frac{( 6.25 )}{ 25.00}\\\\= 0.25 \ M \\\\[/tex]
If the volume [tex]V_2 = 3.00 \ mL[/tex]
[tex]M_3=M_3 \\\\V_3 = 50.00 \ mL\\[/tex]
Formula:
[tex]M_3 = \frac{M_2 \times V_2}{V_3}[/tex]
[tex]= \frac{ 0.25 \times 3.0}{50.0}\\\\ = \frac{ 0.75}{50.0}\\\\ = 0.015 \ M \\\\[/tex]
What is the Atomic weight Of Neon/ Ne in elements.
Answer:
20.1797 u or g/mol
Explanation:
I looked it up.
When a bow is used, it is important that an arrow is on the string when the string is released. If the string is pulled back and released without an arrow, the bow will likely get damaged and the archer will likely get hurt. However, if an arrow is used with the bow, releasing the pulled back string makes the arrow fly. Use what you have learned about energy to explain why it is so important to have an arrow on the string
Work is done when the arrow is released from the bow. When this work is not done, the bow is damaged.
What is energy conversion?We know that energy is neither created nor destroyed rather is converted from one form to another. When the string of the bow is pulled back the elastic potential energy does work and the arropow is released. The elastic potential energy is converted to the kinetic energy of the moving arrow.
However, when this work is not done, the whole energy in the string does work on the bow thereby damaging it.
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What causes the move from one era to another era?
Answer:
most likely climate changes and or mass extinction
Explanation:
Answer:
Look below
Explanation:
Climate changes.
DEFINE -_-
ATOMIC MASS
&
MOLECULAR MASS
Answer:
atomic mass is the mass of an atom compared to that of carbon 12 isotope while molecular mass is the mass of a given molecule
Explanation:
A 104 m3 thoroughly mixed pond has a water inflow and outflow of 5 m3/h. The inflow water contains 0.01 mol/m3 of chemical. Chemical is also discharged directly into the pond at a rate of 0.1 mol/h. There is no reaction, volatilization, or other losses of the chemical; it all leaves in the outflow water. (i) What is the concentration (C) in the outflow water?
Answer:
C ≈ 1.44 × 10⁻³ mol/m³
Explanation:
The given information are;
The liquid volume the pond can hold = 104 m³
The volume of inflow into the pond = 5 m³/h
The volume of outflow into the pond = 5 m³/h
The concentration of the chemical in the inflow water = 0.01 mol/m³
The concentration of the chemical discharged directly into the water = 0.1 mol/h
The concentration, [tex]c_{(inflow)}[/tex], of chemical that enters the water through inflow per hour is given as follows;
[tex]c_{(inflow)}[/tex] = 0.01 mol/m³ × 5 m³/h = 0.05 mol/h
The concentration, [tex]c_{(discharge)}[/tex], of chemical that enters the water through direct discharge per hour is given as follows;
[tex]c_{(discharge)}[/tex] = 0.1 mol/h
The total concentration that enters the pond per hour is given as follows;
[tex]c_{(inflow)}[/tex] + [tex]c_{(discharge)}[/tex] = 0.1 mol/h + 0.05 mol/h = 0.15 mol/h
Whereby the water in the pond properly mixes with the pond, we have;
The concentration of chemicals (C) in the outflow water = 0.15 mol/(104 m³) ≈ 0.00144 mol/m³
C ≈ 1.44 × 10⁻³ mol/m³.
Scientists studying the xylem and phloem in a plant often compare them to the heart and blood vessels in an animal because both are
Select one:
A: the main sites of cellular respiration in the organism.
B: used to transport carbon dioxide waste out of the organism.
C: specialized structures that transport materials.
D: tissues that carry blood throughout the organism.
A rod of iron of uniform density has a thickness such that a one-inch-long segment of it weighs 3. 88 ounces. Given that there are 0. 035273 ounces in a gram and 2. 54 centimeters in an inch, how many grams would a 14. 79 cm length of the same iron rod weigh? a. 73. 30 g b. 274. 49 g c. 640. 51 g d. 1,626. 89 g.
The number of grams of iron present in 14.79 cm length of the same iron rod is 640.51 g.
What is ounces?Ounces is a unit of mass which is used to define a very little amount of anything.
In the question, given that:
In one inch of iron rod whose weighs is 3.88 ounces = 2.54 cm long
In 1 g = 0.035273 ounces present
So we can calcuylate the number of grams in which 3.88 ounces present as:
x = (3.88 ounces) / (0.035273 ounces/g)
x = 110g
So, in 110g = 3.88 ounces present
And in 2.54 cm = 110g of iron present
In 14.79 cm, present grams of iron can be calculated as:
y = (14.79cm x 110g) / 2.54cm
y = 640.51 g
Hence option (c) is correct i.e. 640.51 g.
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The weight of the iron rod with 14.79 cm length with same density is given by: Option C; 640.51 g
How are density, volume and mass of a substance related?Suppose that a finite amount of substance is there having its properties as:
mass of substance = m kgdensity of substance = d kg/m³volume of that substance = v m³Then, they are related as:
[tex]d = \dfrac{m}{v}[/tex]
We know that:
1 ounce = 28.3495 g approxNow, from the facts given in the problem, we have:
The weight of first iron rod which is one inches long = 3.88 ounces
The new rod is 14.79 cm long. And 1 cm = 0.3937 inches approx, thus the new rod is: [tex]14.79 \times 0.3937 \approx 5.8228 \: \rm inches[/tex]
As for 1 inch long rod, there is weight of 3.88 ounces, thus:
for 5.8228 inch rod, the weight of the rod would be [tex]5.8228 \times 3.88 \approx 22.5924 \: \rm ounces[/tex]
And since 1 ounce = 28.3495 g approx
Thus, weight of the new rod in grams would be [tex]22.5924\times 28.3495 \approx 640.485 \approx 640.51\: \rm g[/tex]
Thus, the weight of the iron rod with 14.79 cm length with same density is given by: Option C; 640.51 g
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Based on your answer in part F, what must happen to the sodium acetate for it to dissolve in the water again? Safely test your method using only those materials available in the equipment list. Does the sodium acetate dissolve again with your chosen method?
When sodium acetate is dissolved in water, it is hydrolyzed into ions.
What happen when sodium acetate dissolved in water?When a salt of weak acid or base is dissolved in water, this salt hydrolysis in it. Water ionises into hydroxide and hydrogen due to addition of sodium acetate. In water, sodium acetate splits into sodium and acetate ions.
So we can conclude that when sodium acetate is dissolved in water, it is hydrolyzed into ions.
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Sea level changes occur at a rate of 10 m per 1,000 years.
How much will the sea level change over 100,000 years?
O 10 m
O 1,000 m
O 10.000 m
100,000 m
will give brainliest who is right
Answer:
the answer is 1,000 m
Explanation:
Sharing or transfer of electrons from one atom to the other to attain stable octet
configuration follows
————-theory
Select one:
O a. Einstein's
O b.
Bohr's
O c. Newton's
O d. Candella's
Please help me with this question
Answer:
C newton's..................
A solution is prepared with 3. 26 g KCl and water to make 25. 0 mL of KCl. What is the % (m/v) of the KCl solution
Answer:
13.04%
Explanation:
m/v = g/mL *100 = 3.26/25*100
Element X has 2 following stable isotopes, X-23 (relative abundance 41.9%) and X-25 (relative abundance is [100-41.9]%). What is the average atomic mass of Element X? Record the numerical answer to the hundredths place (2 places after the decimal).
Isotopes : the same atomic number, but different mass numbers
Atomic mass is the average atomic mass of all its isotopes
avg atomic mass = m1.%m1 + m2.%m2....mn.%mn
You did not include the mass of each isotope
Element X :
X-23 = 41.9%
X-25 = 58.1%
The average atomic mass of Element X :
[tex]\tt =0.419\times mass~X-23+0.581\times mass~X-25[/tex]
Which option is an element?
A. carbon dioxide
B. water
C. air
D. carbon
Which method of finding slope do you prefer? Why?
(slope formula, table, other)
an object with a mass of 40g has a volume of 80cm3.will the object float or sink in water? why?
Water, H20, is a molecule made of oxygen and hydrogen. The bonds that hold water
bonds.
molecules together are due to shared electrons, and known as _______ bonds
Answer:
the answer is convalent bonds
Explanation:
Strong linkages—called covalent bonds—hold together the hydrogen (white) and oxygen (red) atoms of individual H2O molecules. Covalent bonds occur when two atoms—in this case oxygen and hydrogen—share electrons with each other.
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