Answer is: soap.
Soap is a salt of a fatty acid and alkaline (basic) solution. An alkaline solution induces saponification of triglyceride fats into salts of fatty acids.
Toilet soap has sodium and potassim cations. Metallic soap have magnesium and calcium cations.
Sodium soaps, made from sodium hydroxide are firm and potassium soaps, made from potassium hydroxide, are softer or often liquid.
Answer:
soap
Explanation:
im just tryna get them coins sis...
Within a molecule of nitrous oxide, N2O, an atom of nitrogen combines with an atom of oxygen in a(n)
Answer:
Covalent bond
Explanation:
USA Test prep
A scientist is designing an investigation to study the impact of UV radiation present in high-altitude habitats on the population of mountain yellow-legged frog. What type population is most likely to be a control group for the study?
Answer:
I think its either C, Mountain frogs in a lab setting exposed to UV rays from a sun lamp or D, Mountain frogs in a lab setting with no UV ray exposure
Explanation:
EDIT: I searched up meaning of control group and got this,
"A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results."
From this it would more likely to be D as the correct answer
If the price of the peaches increases can be expected
A) more peaches will be sold
B) fewer peaches will be sold
C) The number of peaches so that will be unaffected
D) peach orchards will produce less fruit
Answer:
Option (B)
Explanation:
According to the demand law, the price of any product is inversely proportional to the demand for that product. This means that if the rate of any product increases, then the demand decreases. And if the rate of the product decreases then demand simultaneously increases.
in the given condition, the price of the peaches if increases, then the demand will decrease. As a result of which a lesser amount of peaches will be sold.
Hence, the correct answer is option (B)
Question: Multicellular organisms have five levels of organization ranging from simplest to most complex. The simplest level is the cellular level. This is an image of one type of cell found in your body: a cheek cell. You are the most complex level: you are an organism. List the five levels of organization, from simplest to most complex. Describe each level with one or two sentences. Give an example at each level.
Answer:Multicellular organisms are made of many parts that are needed for survival. These parts are divided into levels of organization. There are five levels: cells, tissue, organs, organ systems, and organisms.
Explanation:
In a chemical interaction 10 g of hydrogen chloride is added to 20 g of zinc to form 24 g of zinc chloride and a certain amount of hydrogen gas. What mass of hydrogen gas is expected to be formed? 6 g ,14 g ,34 g ,54 g
According to mass conservation law, the total mass of reactants that is 20 + 10 = 30g is equal to the total mass in the product side. 24 g of Zinc chloride is formed then to obtain a total mass of 30g 6 g of hydrogen gas is expected to be formed.
What is law of conservation of mass?Law of conservation of mass states that the mass is neither created nor destroyed. Thus total mass of the system is conserved. This law is thus similar to the law of conservation of energy.
According to this law the total mass in a reaction system also conserved which means the total mass of products formed will be equal to the total mass of reactants.
In the given chemical reaction, hydrogen chloride is 10 g and zinc is 20g, thus a total of 30 g is contained by the reactant side. The mass of zinc chloride formed is 24 g. One more product is formed there, i.e., hydrogen gas.
Thus total mass of zinc chloride and hydrogen gas is expected to be total mass of reactant side i.e.,30g Hence, mass of hydrogen expected to be formed is 30-24 g = 6 g.
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passive transport involves movement of substances from?
write the formula for calcium chloride. Explain how you determined this formula
Calcium forms an ion with a positive 2 charge and chlorine forms an ion with a negative one charg, so the formula is CaCl2
Group 1 metals and group 2 metals form positive ions by losing 1 and 2 electrons respectively. Non-metals in group 17 gain 1, group 16 gain 2 and group 15 gain 3. Elements which lose electrons form positive ions while elements that gain electrons form negative ions.
To write a formula, you must balance charges so the overall charge is zero. A simple way to do this is to swap the # of the ion's charge and make it the subscript of the other ion. However, leave off the number 1 and reduce to lowest whole number ratio.
The formula for calcium chloride is CaCl₂, derived from balancing the charges of Ca²⁺ and two Cl⁻ ions. The molar mass of CaCl₂ is 111.0 g/mol, which is calculated by adding the atomic masses of calcium and chloride.
The formula for calcium chloride is CaCl₂. This formula is determined by combining the calcium ion (Ca²⁺) with the chloride ion (Cl⁻) in a way that the overall charge is neutral. Each calcium ion has a +2 charge, and each chloride ion has a -1 charge. Because we need the charges to balance out to zero, one calcium ion will balance with two chloride ions, giving us CaCl₂. This method is sometimes referred to as the crisscross method.
When calculating the molar mass of calcium chloride, the weights of calcium (40.0 g/mol) and two chloride atoms (2 x 35.5 g/mol) are added together to get a total of 111.0 g/mol. If you were to have 3 moles of calcium chloride, as mentioned in the example, you would simply multiply the molar mass of calcium chloride by the number of moles to find the total mass required for your experiment.
Both gold (Au) and oxygen (O) are listed on the periodic table. What do both Gold and Oxygen have in common?
Calculate the osmotic pressure of a solution containing 24.6g of glycerin in 250ml of solution at 298K
Final answer:
The osmotic pressure of a solution containing 24.6g of glycerin in 250ml of solution at 298K is calculated using the formula for osmotic pressure and found to be 26.2 atm.
Explanation:
To calculate the osmotic pressure of a solution containing 24.6g of glycerin (C₃H₅(OH)₃) at 298K, we first need to find the molarity of the solution. Given that the molar mass of glycerin is approximately 92.09 g/mol, the moles of glycerin can be calculated as:
Moles of glycerin = 24.6 g / 92.09 g/mol = 0.267 moles
Since the solution volume is 250 mL, or 0.25 L, the molarity (M) of the solution is:
M = Moles of solute / Volume of solution (L) = 0.267 moles / 0.25 L = 1.068 M
The formula to calculate osmotic pressure (Π) is Π = iMRT, where:
i is the van't Hoff factor (For glycerin, i = 1 because it doesn’t dissociate in solution).
M is the molarity of the solution.
R is the ideal gas constant (0.0821 L.atm/mol.K).
T is the temperature in Kelvin.
Substituting the values into the formula gives:
Π = (1)(1.068 M)(0.0821 L.atm/mol.K)(298 K) = 26.2 atm
Therefore, the osmotic pressure of the solution is 26.2 atm.
How much work (in J) is involved in a chemical reaction if the volume decreases from 5.00 to 1.48 L against a constant pressure of 0.819 atm?
Aisha wonders whether wind or water causes the most erosion. She set up an experiment in which she used a watering can to pour water down a pile of dirt. She then used a fan to blow wind on a second pile of dirt that is the exact same shape and size as the first pile of dirt. Aisha then measured how the height of the dirt piles changed. She also drew pictures of how their shape changed. In this experiment, what was the dependent variable?
Answer:
C.
the height and shape of the dirt piles
Explanation:
i did it
The representative elements are also called the Group A elements. Consider these representative elements:
Li - Group 1A
C - Group 4A
Cl - Group 7A.
What does the group number tell us about the electron arrangement of representative elements?
A) number of sublevels filled
B) number of electrons lost when forming compounds
C) number of electrons in the outermost energy level
D) number of energy levels in the atoms of each group
Answer:
c
Explanation:
explain why metals are good conductors of electric current.
Metals are good conductors because the molecules that are inside the metal are tightly packed together. This is why the heat moves through the metal quickly.
If you increase the force of an object what happens to the acceleration
During a chemical reaction, an iron atom became the ion Fe2+. What happened to the iron atom?
The Iron atom got oxidized.
Explanation:In inorganic chemistry Oxidation and Reduction reactions are defined as,
Reduction:
The reaction in which an atom accepts electrons is known as reduction reaction.
Example:
2 Na + Cl₂ → 2 NaCl
In this reaction Chlorine oxidation state has changed from 0 to -1. Hence, it has gained one electrons therefore, it is designated as being reduced.
Oxidation:
The reaction in which an atom looses electrons is known as reduction reaction.
Examples:
2 Na + Cl₂ → 2 NaCl
In this reaction Sodium's oxidation state has changed from 0 to +1. Hence, it has lost one electrons therefore, it is designated as being Oxidized.
2 Fe + 3 O₂ → 2 FeO
In this reaction Iron's oxidation state has changed from 0 to +2. Hence, it has lost two electrons therefore, it is designated as being Oxidized.
Why would sand and water be an example of a heterogeneous mixture?
Select all that apply.
Chemical bonds are formed between the sand and water.
*The mixture does not have a uniform appearance.
*The mixture does not maintain a uniform composition.
The sand stays suspended in the water.
How are molecules and compounds related??
Someone please help me with this one
A compound known to contain only molybdenum (Mo) and oxygen (O) is found to be 67% molybdenum by mass What is the empirical formula of the compound?
Final answer:
The empirical formula is [tex]MoO_3[/tex].
Explanation:
To determine the empirical formula of a compound that is 67% molybdenum (Mo) and 33% oxygen (O) by mass, we follow these steps:
Convert the percentages to grams. Assuming a 100 g sample, we have 67 g of Mo and 33 g of O.Convert the masses to moles by dividing by the atomic mass (95.94 g/mol for Mo and 16.00 g/mol for O).[tex]\frac{67 g Mo}{95.94 g/mol}[/tex] = 0.699 moles of Mo[tex]\frac{33 g O}{16.00 g/mol}[/tex] = 2.0625 moles of ODivide the moles of each element by the smallest number of moles to find the simplest whole number ratio.[tex]\frac{0.699 moles Mo}{0.699}[/tex] = 1 mole of Mo[tex]\frac{2.0625 moles O}{0.699}[/tex] = 2.95, which we round to 3 moles of OIf the ratio of moles of O to Mo is not a whole number, we may need to multiply by a small integer to achieve a whole number ratio.
The empirical formula of the compound is [tex]MoO_3[/tex].
Spaghetti takes about 9 minutes to cook at sea level, but about 14 minutes in the mountains. Why do you think this is so?
Can someone plz help me with these 5 questions!! Will give brainliest for right answers!! Thanks!!
1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be
A. Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red.
B. Barnard’s Star is less bright than the sun, has a surface temperature above 3,800K, and is red.
C. Barnard’s Star is brighter than the sun, has a surface temperature below 5,300 K, and is yellow.
D. Barnard’s Star is brighter than the sun, has a surface temperature above 5,300 K, and is yellow.
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2. The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?
A. Earth is a part of this galaxy.
B. Many more stars exist outside the galaxy.
C. The stars in the center of the galaxy are extremely small.
D. The center of the galaxy consists of a dense cluster of stars.
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3. A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim, even through a telescope.Why do other stars look much dimmer than the sun?
A. The sun appears yellow, which is more visible than other colors.
B. The sun is much closer to Earth than other stars are.
C. Other stars are made up of different gases than the sun is.
D. As light from other stars travels through space, it gets reflected.
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4. The sun is a mid-sized, main sequence star. What stage is next in the life cycle of the sun?
A. red giant
B. black hole
C. white dwarf
D. neutron star
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5. In November 2013 an object orbiting the sun seemed to disappear behind the sun. When a satellite did not detect the object, astronomers thought that the object had been destroyed when it passed close to the sun. However, when another satellite detected a small, bright object with a fan-shaped tail, astronomers proposed that the object was not destroyed.What type of object were astronomers most likely observing?
A. A comet
B. An asteroid
C. A meteor
D. A nebula
Correct answer is A
A. Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red.
Explanation:The below Hertzsprung Russell diagram abbreviated H–R diagram, or HRD is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.
Answer 2:Correct option is A
A. Earth is a part of this galaxy.
Explanation:The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. The Milky Way is the galaxy that contains our Solar System. The word "milky" is derived from the galaxy's appearance from Earth: a band of light seen in the night sky formed from stars that cannot be individually detected by the naked eye.
Answer 3:Option B is correct.
B. The sun is much closer to Earth than other stars are.
Explanation:Sun is classified as a medium-size star and that many stars are much bigger and brighter because Sun is far more near to the earth as compared to other stars. Other stars are thousands of galaxy years far from earth.
Answer 4:Option A is correct.
A. red giant
Explanation:Sun is a sphere-shaped star made up of hot plasma, with an internal convective motion that creates a magnetic field via a dynamic process. It is the most important source of energy for life on Earth.
Answer 5:Option A is correct.
A. A comet
Explanation:In November 2013 an object orbiting the sun seemed to disappear behind the sun. When a satellite did not detect the object, astronomers thought that the object had been destroyed when it passed close to the sun. However, when another satellite detected a small, bright object with a fan-shaped tail, astronomers proposed that the object was not destroyed. After that it was concluded as a comet.
A comet is an icy tiny Solar System body. When it passes near the sun it gets warmer This produces an apparent atmosphere or coma, and sometimes also leave a tail.
Solar system consists of the Sun and other that are bound to it by gravity
and a the same time orbit around it.
The following are answers to the questions :
Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red.Earth is a part of this galaxy best explains why people on Earth cannot see the entire shape of the Milky Way.Other stars look much dimmer than the sun because the sun is much closer to Earth than other stars are.Red giant stage is next in the life cycle of the sun.Comet is the type of object were astronomers most likely observing.Read more about Solar system here https://brainly.com/question/24721218
How many total atoms are in 2C6H12O6?
15 POINTS ASAP PLEASE!!
Which of these are found is the lymph?
A. Platelets
B. Red blood cells
C. Antibiotics
D. White blood cells
Chlorine will combine with the non metal element , carbon , to form this molecular compound what is the symbol equation for this molecule?
Chlorine will combine with carbon to form a covalent bond through sharing of electrons. The formula of the formed compound is CCl₄.
What is carbon tetrachloride?Carbon tetrachloride or CCl₄ is a covalent compound formed by the combination of four chlorine atoms with a carbon atom through sharing of electrons each other.
Carbon is 6th element with 6 electrons out of which 4 are valence electrons participating in chemical bonding. It shares these 4 electrons with other atoms and by sharing 4 electrons from other element to carbon make them stable.
Cl is 17th element with 7 valence electrons. Thus, it need one more electron to achieve octet. Therefore, it shares its one electrons with carbon and one electron from carbon in turn shares to chlorine make Cl stable. Each 4 chlorines shares one electron to carbon make 8 electrons around carbon and make it stable.
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Jonathan claims that since only humans can read, it must be an inherited trait, passed from human parents to their children. Is Jonathan correct in his claim?WHOEVER ANSWERS FIRST GETS BRAINLIEST ANSWER AND DONT GUESS
Choose all the answers that apply.
Cell waste is removed from the body by _____.
- breathing
- sweating
- going to the bathroom
- eating
which of the following is an example of a physical change ?
A. A Piece of iron being heated until it melts
B. Silver jewelry tarnishing
C. A piece of wood burning
In the reaction ______ H2 + N2 ----> 2 NH3, what coefficient should be placed in front of H2 to balance the reaction?
a. 1
b. 2
c. 3
d. no coefficient is needed.
Your answer is 3.
3H2 + N2 → 2 NH3
How is mass calculated given density and volume Volume divided by volume, Sum of volume and mass, Density multiplied by volume, Difference of volume and mass
C. Density multiplied by volume.
A strong acid, HA, is added to water. Which statement about the solution is true?
It contains mostly hydroxide ions.
It contains almost no hydronium ions.
It contains little or no HA.
It contains a low amount of ions.
Answer:
The correct answer is:It contains little or no HA.
Explanation:
When a strong acid is added to water it dissociates into its constituent ion .
[tex]HA+H_2O\rightarrow H_3O^++A^-[/tex]
Actually the concentration of [tex]H^+[/tex] ions in water increases in comparison to hydroxide ions. And very little amount of HA will remain present associated in the solution.
A strong acid, HA, is added to water.The correct statement about solutions is: C. It contains little or no HA.
When a strong acid, HA, is added to water, it dissociates almost completely into hydronium ions (H₃O⁺) and its conjugate base (A⁻), leaving little or no undissociated HA.
Therefore, the solution primarily contains ions rather than the original acid molecules.When a strong acid, HA, is added to water, it ionizes almost completely. This means the acid dissociates fully into its ions, producing a high concentration of hydronium ions (H₃O⁺) and the conjugate base (A-). Therefore, the correct statement about the solution is: C. It contains little or no HA.A strong acid, by definition, yields nearly 100% of its hydrogen ions to water.This leads to a solution with a high concentration of H₃O⁺ ions and almost no undissociated HA molecules.
Correct question is: A strong acid, HA, is added to water. Which statement about the solution is true?
A. It contains mostly hydroxide ions.
B. It contains almost no hydronium ions.
C. It contains little or no HA.
D. It contains a low amount of ions.
Choose all the answers that apply.
Todd drops three balls made of different materials to see how high they will bounce. He drops each ball from a height of ten feet. All the balls are the same size.
The independent variable is how high the balls bounce.
The dependent variable is the height the balls bounce.
The independent variable is the type of material the balls are made from.
The height the balls are dropped from is a control.
The size of the balls is a control.
Answer:
it shoulbe those
The dependent variable is the height the balls bounce.
The size of the balls is a control.
The independent variable is the type of material the balls are made from.
Explanation: