Answer:
CExplanation:
It is a colorlessI hope you help by my answee
as you move to the right across the periodic table, beginning with group 16, non-metals…
a) lose more electrons
b) gain or share fewer electrons
c) gain or share more electrons
Use your knowledge of valence electrons and how they affect bonds to figure out how carbon (Group 14) and oxygen (Group 16)
would be attached to one another. In carbon dioxide (CO2), how is the compound structured? (Use "-" to represent a single
bond and "=" to represent a double bond) (1 point)
C-O-O
O=C-O
C=O-O
O=C=O
Answer: D
Explanation:
O=C=O
Carbon is in group 14 having four valence electrons and oxygen is in group 16 having six valence electrons hence the correct structure of CO2 is O=C=O.
Carbon and oxygen are nonmetals. Nonmetals form compounds by sharing electrons in a covalent bond.Carbon, a group 14 element has four valence electrons while oxygen, a group 16 element has six valence electrons.
Carbon can share four valence electrons with two oxygen atoms in CO2 to form the structure O=C=O. In this way, all the atoms now obey the octet rule.
Learn more: https://brainly.com/question/865531
chemical equation why calcium oxide is a basic
Temperature Conversions
Use the formulas below to convert the temperature in each problem. Show your work.
Formulas: C -0.56(F-32) F = 1.8C+32 K-C + 273
C-K-273
41. Convert 22 °C to 'F.
42. Convert 22 °C to K.
43. Convert 30 °F to °C.
44. Convert 300 K to °C.
how might you separate a mixture of water and salt?
Answer:
by evaporating the solution leaving the solute (salt) behind after the solvent has evaporated
based on the dosages a patient receives what level of precision should a syringe have to ensure that the patient receives the proper dosage
Answer:
No.
Explanation:
The person giving the dosage should make sure there is a proper dosage. The syringe only tells you how much there is in the syringe.
What is the health danger of breathing carbon monoxide
Answer:
Well, it´s dangerous because it displaces oxygen in the blood and deprives the heart, the brain and other vital organs.
Explanation:
What i mean by that is that breathing carbon monoxide reduces the amount of oxygen that can be transported in the blood stream to critical organs like the heart and brain. It can also causes E.g. dizziness, confusion, unconsciousness and even death.
I hope this answered yor question, if i did misundertood the question do tell me and i will try my best to explain it. Have a nice day!! :)
an item composed of at least 3 identifiable different compounds
what molecule would be most directly affected if 2 co2 molecules could be fixed at the same time?
Fill in the blank
Atomic Number (____) = the number of ________________ or the number of ___________________.
Atomic Mass Number (____) = the number of ________________ PLUS the number of ______________.
Answer:
Atomic number (smaller number) =number of protons or number of electrons
mass number ( larger number) =number of protons plus the number of neutrons
50. Arrange the following pairs from strongest to weakest
attraction:
a. polar molecule and polar molecule
b. nonpolar molecule and nonpolar molecule
C. polar molecule and ion
d. ion and ion
Arranging the pairs from strongest to weakest attraction :
Nonpolar molecule and Nonpolar molecule ( B )Polar molecule and Polar molecule ( A )Polar molecule and Ion ( C )Ion and Ion ( D )Covalent bonds are the strongest bonds because it involves the sharing of electrons between two binding atoms therefore the atoms are not dissociated easily. Also covalent bonds are divided into ;
Polar covalent bonds ; The shared electrons from each atom involved are unequal therefore it is easier to dissociate polar molecule bonds ( i.e. weaker bond ). Non Polar covalent bonds ; The shared electrons from each atoms are equally therefore it is harder to dissociate nonpolar molecule bonds ( i.e. stronger bond when compared to polar bonds ).While Ionic bonds involves the transfer of electrons from a donor atom to another atom and such bonds are easily broken and it is a weaker bond when compared to Polar and Nonpolar bonds. therefore polar molecule and ion bond pair is stronger than ion and ion pair.
Hence we can conclude that ranking the pairs from strongest to weakest attraction is as follows; Nonpolar molecule and Nonpolar molecule, Polar molecule and Polar molecule, Polar molecule and Ion, Ion and Ion.
Learn more : https://brainly.com/question/3447218
Why can some mixtures not be classified as solutions?
A. Not all mixtures have solutes
B. Not all mixtures are heterogeneous
C. Mixtures are made of only one substance
D. Not all mixtures are homogenous
Answer:
not all mixture have solutes
how long ago did two organisms that show 20 differences in their genetic sequences diverge?
Answer:
Comparison of whole genome sequences provides a highly detailed view of how organisms are related to each other at the genetic level.
Explanation:
which of the beryllium halides are considered ionic compounds?
Answer:
Beryllium Fluoride (BeF2) is an ionic compound
Janna, a student of a chemistry class, told her friend that she learnt in class that bottled water is not pure. Kim, her best friend, refused to believe Janna, referring to phrases on the label of the bottle such as “purified drinking water”, “from the purest springs”.
Plan and design an experiment to prove or disprove Janna’s claim
Form an Hypothesis?
A hypothesis that could prove or disprove Janna’s claim is; bottle water is pure water hence it boils at 100°C.
Pure water is water that contains only hydrogen and oxygen and nothing else. Impure water contains other substances apart from hydrogen and oxygen in a ratio of 2:1.
The hypothesis of our experiment is that;" bottle water is pure water hence it boils at 100°C." A hypothesis is a tentative explanation for an observation.
We can carry out the experiment by bringing about three samples of the bottled water and insert a thermometer in each of the samples then record the initial temperature of the water. The samples are then heated to boiling point and the boiling point of each sample is recorded.
If the sample boil at exactly 100°C then the hypothesis is proven or vice versa.
Learn more: https://brainly.com/question/10079361
Carbon burns with oxygen to produce carbon dioxide gas.
Which of these shows the correct chemical reaction?
O C+0=CO2
O CO, CO2
C +02 + CO2
CO2 = C+0
Answer:
it will help you , but I am not sure it is correct
If a cell has 4 chromosomes at the beginning of meiosis, how many chromosomes will be in each cell at the end of meiosis?
Answer:2. Mitosis would produce identical daughter cells with the same number as the parent cell. Meiosis would product sex cells with one-half the amount of genetic material as the parent cells.
Explanation:
If a cell has 4 chromosomes at the beginning of meiosis then the daughter cell will have TWO chromosomes at the end of meiosis.
Meiosis is a type of reductional cell division by which a parental cell duplicates its genetic material (DNA) and then divides twice to produce four (4) daughter cells having half of the genetic material.These successive cell division cycles are known as Meiosis I and Meiosis II.Meiosis is a sexual mode of reproduction that produces gametes or geminal cells, which fuse during the process of fertilization to form a zygote.
In conclusion, if a cell has 4 chromosomes at the beginning of meiosis then the daughter cell will have TWO chromosomes at the end of meiosis.
Learn more in:
https://brainly.com/question/7002092
Why are alloys generally used to make everyday objects?
Answer:
Alloys are often stronger and less active than pure metals. Alloys have higher melting point than pure metals.
12. What is the mass of 5.00 moles of F^2 O^3?
Answer:
798.5 grams
Explanation:
Explain the relationship between primary, secondary, tertiary consumers, and decomposers
Answer:
The organisms that consume the primary producers are herbivores: the primary consumers. Secondary consumers are usually carnivores that eat the primary consumers. Tertiary consumers are carnivores that eat other carnivores.
Explain why titritations using permanganate are performed in Acid solutions
The titration using permanganate in acidic solution because it can be act as behave indicator.
What is titration?Titration is a typical quantitative chemical analysis procedure used in laboratories to quantify the concentration of a specified analyte. The titrant or titrator is a substance that is manufactured as a standard solution with a given concentration as well as volume.
Permanganate titrations must be performed in a strong acid solution. Because [tex]HNO_{3}[/tex] and HCl might involve in competing for a redox reaction, lowering the accuracy of the titration, sulfuric acid is commonly utilized. Titration permits food manufacturers to calculate the amount of a reactant present in a sample.
To know more about titration.
https://brainly.com/question/2728613.
#SPJ2
hỗn hợp E gồm 6 este có cùng CTPT C8H8O2 và đều chứa vòng benzen. Cho 68g phản ứng tối đa với V ml dd NaOH 1M đun nống, thu được 15g muối và 77,4g hh ancol Y. Giá trị của V là?
Explanation:
just a few days ago and I have a
Fe+H2SO4------>????????????
equation: Iron + Sulfuric acid → Iron (II) sulfate + hydrogen gas
Type of Chemical Reaction: For this reaction we have a single displacement reaction.
Note that this is the chemical reaction that takes place when diluted Sulfuric acid reacts with iron. If you have concentrated Sulfuric acid you will have a different equation.
(1) __________ are separated without any chemical reactions. There are many
different kinds of mixtures. Different mixtures are separated in (2)__________ ways.
Physical (3)__________ separates the components of varying sizes using a
spoon or any scooping material or by picking. The use of (4)__________ can be done
to separate the metallic materials from nonmetallic materials. (5)__________ is the
separation of an insoluble solid from a liquid mixture using a semipermeable
membrane like filter paper.
In decantation, the large particles of insoluble solid are separated from the
(6)__________ mixture. (7)__________ separates the soluble solid from the liquid
component of the solution by evaporating the liquid substance.
choices
magnet
mixtures
filtration
different
manipulation
evaporation
liquid
Answer:
1. Mixtures
2. Different
3. Manipulations
4. Magnet
5. Filtration
6. Liquid
7. Evaporation
I'LL MARK BRAINLIST
Lab: Kinetic Energy
I NEED TWO PARAGRAPHS ABOUT THE LAB AND ABOUT KINETIC ENERGY
Answer:
In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body when decelerating from its current speed to a state of rest.
In classical mechanics, the kinetic energy of a non-rotating object of mass m traveling at a speed v is 1/2*mv^2. In relativistic mechanics, this is a good approximation only when v is much less than the speed of light.
The standard unit of kinetic energy is the joule, while the English unit of kinetic energy is the foot-pound.
Explanation:
Don't directly copy and paste this because you will get flagged for plagiarism. Just type this out in your own words and change a few of the words to their synonyms.
the only report that will fool the teachers
Letter C shows that some of the heat rising from the earth's surface is trapped by gases in the atmosphere and reflected back to earth. This is known as what?
options:
Coriolis Effect
Solar Flares
Green House Effect
Windshield Effect
Which subtance are acidic?
Please click above answer.
What’s the elements found in these formulas?
NaC2HO4
H2F5BLi
2He2PSO4
3He2O4PH
Answer:
The only one I know is NaC2HO4.
There is Sodium, Carbon, Hydrogen and Oxygen.
1 atom in sodium, 2 atoms in carbon, 1 atom in hydrogen and 4 atoms in oxygen completeting the total of 8 atoms in this element.
The elements are the simplest chemical forms and they cannot be broken down through chemical reactions. There are many elements in the given formulas.
What are elements?The elements are defined as those substances whose atoms all have the same number of protons. The elements are considered as the building blocks of matter. Each element has an atomic number and a symbol.
Each atom is regarded as an element. The elements create bonds to form molecules. The isotopes are the elements with the same atomic number but different mass numbers.
NaC₂HO₄ - 'N' , 'C', 'H','O'
H₂F₅BLi - 'H','F','B','Li'
He₂PSO₄ - 'He', 'P','S','O'
He₂O₄PH - 'He', 'O','P','H'
To know more about elements, visit;
https://brainly.com/question/29545466
#SPJ2
When a strontium compound is heated in a flame, red light is produced. When a barium
compound is heated in a flame, yellow-green
light is produced. Explain why these colors are
emitted.
how many atoms of oxygen o are represented on the left side of the arrow in the chemical reaction
Answer:
two oxygen atoms on the left side of the arrow