Answers
Answer:
vinegar is acidic
water should be neutral but people say since it's pH 7,it will be more alkaline
salt solution is acidic
lemon juice is acidic
sugar solution is alkaline
soap is alkaline
Methyl orange will turn red with grapefruit juice.
Methyl orange will turn yellowish orange or lemme say red with oven cleaner
The addition of pure water to methyl orange will not have an effect on the color and the solution will still be around neutral pH and yellow in color.
Explanation:
Working on number 7
Related Questions
Please help with my chemistry homework! : Fuel burns in a car engine. Describe how oxides of nitrogen are produced in a car engine. I stated: -very high temperatures in the car engine create a reaction of oxygen and nitrogen. But I'm unsure if this is correct and would award me the full 2 marks?
Answers
Answer:
Your statement is right.
Explanation:
When fuels are burned in vehicle engines, high temperatures are produced. At this high temperature, nitrogen and oxygen from the air combine with each other to produce nitrogen monoxide (NO). When this nitrogen monoxide is released in the air from vehicle exhaust systems, it combines with oxygen present in the air to form nitrogen dioxide (NO2).
What do ionic bonds form between?
Answers
Answer:
Ionic bonds form between cations and anions.
Explanation:
Electrovalent bonds (ionic bonds) form due to the electrostatic attraction between the two oppositely charged ions in the compound. A cation is formed when a metal ion loses a valence electron. Anions are formed the opposite way: a non-metal ion gains a valence electron.
How many protons are present in one iron(III)
ion?
Answers
Answer:
26 protons
A neutral iron atom has 26 protons and 26 electrons. In order to form a 3+ ion, it must lose three electrons. The Fe atom loses two 4s electrons and one 3d electron.
Explanation:
Which sample of matter is a pure substance?
Answers
Answer:
salt, sugar, ect.
Explanation:
A pure substance is a material that has a constant composition. It has consistent properties throughout the sample. A pure substance helps in a chemical reaction to form predictable products. In chemistry, a pure substance consists of only one type of atom , molecule, or compound.
What is the acceleration of a shopping cart that is 16 kg moving with a force of 2N?
30 points!!!!!!!!!!!!!!!
Answers
Answer:
According to Newton's second law of motion, the acceleration of an object equals the net force acting on it divided by its mass, or a = F m . This equation for acceleration can be used to calculate the acceleration of an object when its mass and the net force acting on it are known.
Explanation:
hope it help
Answer:
According to Newton's second law of motion, the acceleration of an object equals the net force acting on it divided by its mass, or a = F m . This equation for acceleration can be used to calculate the acceleration of an object when its mass and the net force acting on it are known
Explanation:
which of the following types of stars would be hottest in temperature A main sequence B whitedwarf C red giant D Red supergiant star
Answers
Answer:
it's either b or d
Explanation:
Genetic diversity is important because the more genes are in a population , the more likely that one of those genes will prove ______ in the face of threats such as climate change or a new disease.
Answers
Answer:
higher endurance & adaptability
Explanation:
Genetic Diversity is diversity within species, community.
Genetic Diversity is important as higher genetic variations in population imply that - some or all of their genes have will prove to have higher endurance & adaptability in case of environment aspect (like climate) change or any adversity (new disease).
Can an object of 8.6g/cm3 Float
Answers
Answer:
yes
Explanation:
How many moles of hydrochloric acid does
1.505x10^24 atoms of hydrochloric acid make?
Answers
2.499 mol HCl
hope this helps
What is force? Why?
Answers
100 points?
1. Diamonds, coal, and pencil lead are all made of the same element. What is that element?
2. What is the chemical symbol for this element?
3. Is this element primarily found in the solid earth, Earth’s living matter, Earth’s oceans, or the atmosphere?
4. Since the same elements make up coal and diamonds, what causes them to appear different?
5. Under normal conditions, what color do we expect diamonds to be?
6. Why can diamonds different colors?
Answers
Answer:
1. Carbon
2. C
3. Oceans
4. This is the hardest question so far :(
5. Most of every diamonds are colorless and clear, but are in a category of brown or pale yellow color that is called the normal color range.
6. has to be refraction.
Pls mark me brainly!
Arsenic has one stable isotope:75/33 As.
How many neutrons and protons are in a stable arsenic atom?
A. 33 neutrons and 42 protons B. 33 neutrons and 75 protons
C. 42 neutrons and 33 protons
D. 75 neutrons and 33 protons
Answers
Endocrine disruptors are commonly found in
a. pesticides
b. plastics and consumer products
c industrial by-products
d. all of the above
help pls!!!!
Answers
Answer:
d
Explanation:
edge2020
Endocrine disruptors are commonly found in pesticides, plastics, and consumer products, and industrial by-products. Thus, the correct option for this question is D, i.e. all of the above.
What do you mean by Endocrine disruptors?Endocrine disruptors may be defined as a type of extrinsic substance or mixture that significantly changes the function of the endocrine system and subsequently stimulates adverse health effects in an intact organism, its offspring, or populations.
According to the context of this question, pesticides like DDT, Atrazine, etc. plastics, and food storage materials like bisphenol A (BPA), Phthalates, Phenol, etc., and industrial by-products Polychlorinated biphenyls (PCBs) and Dioxins causes the significant and effective disruptions of the endocrine system.
Endocrine disruptors are found in numerous everyday products, including plastic bottles and containers, liners of metal food cans, detergents, flame reductions, food, and pesticides.
Therefore, endocrine disruptors are commonly found in pesticides, plastics, and consumer products, and industrial by-products. Thus, the correct option for this question is D, i.e. all of the above.
To learn more about Endocrine disruptors, refer to the link:
https://brainly.com/question/15832364
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Which statements correctly describe chemical reactions? Select all that apply.
Answers
Answer:
The statements that correctly describe chemical reactions are
A. If the reactants include 5 atoms of Fe, then the products must include 5 atoms of Fe.
C. If the reactants include an aluminum atom, then the products must include an aluminum atom.
E. If there are a total of 15 atoms in the reactants, there must be a total of 15 atoms in the product.
Explanation:
In a chemical reaction, reactants are the elements or compounds that react to give a particular product(s). The reactants are the substances that start the chemical reaction and they are found at the left hand side of the chemical equation. While the products are found at the right hand side of the chemical equation and they are seen at the end of the reaction.
In chemical reaction, the number of atoms that starts the reaction remains the same. That is the same number of atoms is seen in the products. This follows the law of conservation of matter - which postulates that matter cannot be created or destroyed.
But in a chemical reaction, number of molecules are not conserved.
The statements that correctly describe chemical reactions are:
A. If the reactants include 5 atoms of Fe, then the products must include 5 atoms of Fe.
C. If the reactants include an aluminum atom, then the products must include an aluminum atom.
E. If there are a total of 15 atoms in the reactants, there must be a total of 15 atoms in the product.
Chemical Reaction:A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. If a physical change occurs, the physical properties of a substance will change, but its chemical identity will remain the same.
Thus, the statements that are true for a chemical reactions are A, C and E.
Find more information about Chemical reaction here: brainly.com/question/26018275
Which statement about the earth’s atmosphere is true?
A recent decrease in carbon dioxide levels will increase plant growth on Earth.
In the past few decades, carbon dioxide levels have been rising.
In the past few decades, carbon dioxide levels have been falling.
A recent increase in carbon dioxide levels can contribute to a long-term cooling of Earth’s climate.
Answers
Answer: B - In the past few decades, Carbon dioxide levels has been rising because Rising levels of Carbon dioxide has become an immediate concern for the Environmentalists. This is because carbon dioxide is a greenhouse gas and risen levels of greenhouse gases can lead to unusual warming up of the Earth's Atmosphere.
Quote: I HOPE THAT HELPED!
Answer:
I guess it's ***B***
Explanation: :) Your welcome!
Which of the following compounds has a lower boiling point?
Li2O
H₂O
KCI
MgCl2
Answers
What does each column (down) have in common?
Answers
Answer:
elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.
Every element in the second column (group two) has two electrons in the outer shell.
a push or a pull between an object (many types)
Your answer
Answers
Answer:
your answer would be force
Explanation:
What is the molar mass of cryolite
Answers
Answer:
wt= 3(23)+27+6(18.9)
=69+27+113.94
Explanation:
=209.94 grams
Answer:
209.9 g mol
Explanation:
Which describes reproducibility
Answers
____ are atoms or molecules with an electrical
charge, either positive or negative. Whether a liquid is
an acid or a base depends on these. We classify acids
and base on the ____. A liquid on this scale with
a pH of 3 is a/an ____, while a liquid with a pH of
9 is a/an ____ When an acid and a base interact
with one another the liquid can become ___
and it will have a pH of 7.
The answer to fill in the blank are: Acidic, Basic, pH Scale, Neutral, Ion
Answers
Answer:
ions
ph scale
neutral
basic
acidic
Explanation:
hopefully I got it right u welcome :)
Which orbital notation represents an atom of beryllium in
the ground state?
Answers
Answer: Beryllium is the fourth element with a total of 4 electrons. In writing the electron configuration for beryllium the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the remaining 2 electrons for Be go in the 2s orbital. Therefore the Be electron configuration will be 1s22s2.
Explanation:
Orbital notation represents an atom of beryllium in the ground state is [tex]1s^22s^2[/tex].
Beryllium atom:Beryllium is the fourth element with a total of 4 electrons. Beryllium atoms have 4 electrons and the shell structure is 2.2. The ground state electron configuration of ground state gaseous neutral beryllium is [tex][He] 2s^2[/tex]. The ground state of an electron, the energy level it normally occupies, is the state of lowest energy for that electron. Beyond that energy, the electron is no longer bound to the nucleus of the atom and it is considered to be ionized. Electron configuration for beryllium the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the remaining 2 electrons for Be go in the 2s orbital.
Therefore, the Be electron configuration will be [tex]1s^22s^2[/tex].
Find more information about Beryllium atom here:
brainly.com/question/5041761
Which is more reactive, calcium or potassium ?
Answers
Answer:
the answer is potassium
Explanation:
Potassium has only one valence electron. ... Whereas, calcium has two valence electrons, so it requires more energy for the removal of a valence electron. Due to this potassium is more reactive than calcium.
Bye Have A Great Day! =)
Energy Transfer is the Blank from one object to another object.
Answers
Answer:
Process
Explanation:
Energy transfer is the process from one object to another object
Energy transfer is the transfer of energy from one object to another object.
Energy can be defined as the ability (capacity) to do work. Hence, the only standard unit of measurement of energy is Joules (J).
Generally, there are different forms of energy and these include;
Heat (thermal) energy.Light energy.Sound energy.Wind energy.Energy transfer is a process which refers to the transfer of energy from an object or physical body to another.
According to the Law of Conservation of Energy, energy can neither be created nor destroyed but it can only be converted (transformed) from one form to another such as kinetic energy to potential energy.
For example, a jug of hot tea has heat (thermal) energy, which is added to the particles in a cold powdered milk to make the coffee hotter.
Read more: https://brainly.com/question/23153766
How does a changing environment affect plant and animals threat live there
Answers
Explanation:
Changing the environment takes away habitats from animals and some nutrients plants need
Hope this helps :>
A real gas behaves most like an ideal gas at?
Answers
Is a compound a substance made up of only 1 kind of element
Answers
Answer/Explanation:
No compounds must be made up of two or more elements. otherwise it wouldn't be a compound. There must be some type of combination or it isn't a compound.
PLS HELP ILL MAKE BRAINLIEST 30 POINTS!!
Which parts of the muscular and skeletal system work together to move muscles and bones? nerves esophagus and intestine arteries and vessels tendons and ligaments
Answers
Answer:
tendons and ligaments
The correct name for the molecule IgBr7 is:
Answers
Answer:
(iodine?) heptabromide
Explanation:
Not sure what element Ig is but use that name and then heptabromide.
A truck traveled at a constant speed for 6 hours. Then, it
decreased its speed by 13 mph for the remaining 228 miles. If
the total distance was 876 miles, how long did it take to travel
the remaining 228 miles?
h
Answers
Answer:
2.4 hrs
Explanation:
The constant speed of the truck for 6 hrs can be calculated by: speed=distance/time. Speed =(876-228)/6=648/6=108m/s. So the decreased speed = (108-13)=95m/h. Now, speed =distance /time We get 95m/h = 228/t. t=228/95 hrs = 2.4 hrs PLEASE MARK ME THE BRAINLIEST!!
Answer:
17.5 h
Explanation:
228/13=17.5384615385
17.5
I hope this helped! :)