Electricity is the flow of electric charges. It is manifested in thunderclouds, does that mean the...
Electricity is the flow of electric charges.
It is manifested in thunderclouds, does that mean the electricity
can be produced in the atoms of each of these individual molecules:
hydrogen, oxygen, and water?
Or it can be produced in any molecule that follows the instructions
of, their atoms stop being a cation to be a neutral atom; electrons
circulation?
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Electricity is the flow of electric charges.
It is manifested in thunderclouds, does that mean the...
2. The charge distribution of a water molecule can be approximated by the diagram shown. The...
2. The charge distribution of a water molecule can be approximated by the diagram shown. The + charges represent the hydrogen atoms, cach distance from the origin, and the -2 charge represents the oxygen atom, located a distance b from the origin a. (8 pts.) Find an expression for the electric potential at the pointy, located on the y-axis, as shown. Assume that the potential is zero at a distance of infinity from the molecule + to b. (12 pts.)...
Try this example with water first: H1 H1 H2 H2 H H Water, H20 Partial charges:...
Try this example with water first: H1 H1 H2 H2 H H Water, H20 Partial charges: His +0.38, O is -0.75 Formal charges: His O, O is o Oxidation State: His +1, O is-2 Electrostatic potential description: The blue (positive) and red (negative) potentials are separated. That makes the molecule polar. The molecule is dark blue (quite positive) over the hydrogen atoms and dark red (quite negative) over the oxygen atom, making water very polar. And now do these two...
A covalent bond is a bond in which electrons are shared between atoms of elements
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
Pre-Lab Exercise 2-3 Chemical Bonding One of the more challenging concepts to grasp in chemistry is...
Pre-Lab Exercise 2-3 Chemical Bonding One of the more challenging concepts to grasp in chemistry is chemical bonding, a topic that pops up again and again in A&P: We revisit it in cytology, the nervous system, blood, respiration, and digestion-to name just a few First let's do some basics. Use your textbook and this unit to answer the following questions 1. Do metals donate or accept electrons? What do they become after they donate/accept electrons? 2. Do nonmetals donate or...
1. Why do ions like Na+ and Cl- tend to stick together? What kind of bond...
1. Why do ions like Na+ and Cl- tend to stick together? What kind of bond results from this force? 2. Why do the nuclei of an oxygen atom and two hydrogen atoms remain close together in the structure of a water molecule? What is more stable about a molecule of H2O than three separate atoms of O, H, and H? 3.How is the force holding the water molecule together different from an ionic bond? 4. What makes the covalent...
i need help answering these qoustion plz???? Use the short grey sticks for single bonds and...
i need help answering these qoustion plz????
Use the short grey sticks for single bonds and the long flexible grey sticks for double and triple bonds. Note: In reality, single bonds are longer than double or triple bonds ) Fill in the table below Molecule # of lone pairs on central atom linear or bent? (Circle one) HO lincar benti SO lincar bent CO. bent lincar HCN bent lincar Question: Based on your answers in the table above and the...
please help The dehydration of alcohols Under acidic conditions, alcohols will undergo a dehydration reaction, producing...
please help
The dehydration of alcohols Under acidic conditions, alcohols will undergo a dehydration reaction, producing an alkene and water. During the reaction, the hydroxyl group of the alcohol and a hydrogen atom from an adjacent carbon atom are lost. The reaction takes place in three steps, as shown in the diagram. (Figure 1) In the first step, a hydrogen lon bonds to the hydroxyl group of the alcohol. In the second step, the protonated hydroxl group leaves the compound,...
1) A hydrogen bond is A) an attraction between a hydrogen atom attached to N, O, or F and an N, O, or Fatom on anot...
1) A hydrogen bond is A) an attraction between a hydrogen atom attached to N, O, or F and an N, O, or Fatom on anothe molecule. B) a covalent bond between H and O. c) an ionic bond between H and another atom. D) a bond that is stronger than a covalent bond. E) the polar O-H bond in water. 2) Which of the following molecules can form hydrogen bonds? A) CH4 B) NaH C) NH3 D) BH3 E)...
1) Define the following: matter, element, atom, trace element, proton, electron, neutron, atomic number, mass number,...
1) Define the following: matter, element, atom, trace element, proton, electron, neutron, atomic number, mass number, isotopes, radioisotope, molecule, compound, salt, ion. 2) List the 6 elements that make up about 99% of the weight of an organism. 3) What are the functions of the trace elements iron, fluorine (fluoride), and iodine? 4) An iodine deficiency can result in goiter. True/False 5) Where are protons, neutrons and electrons located? 6) Can you determine the atomic number and mass number from...
Question 3-10 points One of the most important functions of the membrane in living cells is...
Question 3-10 points One of the most important functions of the membrane in living cells is its ability to selectively pass either sodium ions (Na) or potassium ions (K) through channels in the membrane. These ions have the same charge +le). The electric force exerted on them by the membrane will be similar. In addition, they are about the same size (RNa~0.12 nm, RK 0.15 nm). So how can channels in the membrane distinguish between them? One mechanism that has...
2. The charge distribution of a water molecule can be approximated by the diagram shown. The + charges represent the hydrogen atoms, cach distance from the origin, and the -2 charge represents the oxygen atom, located a distance b from the origin a. (8 pts.) Find an expression for the electric potential at the pointy, located on the y-axis, as shown. Assume that the potential is zero at a distance of infinity from the molecule + to b. (12 pts.)...
Try this example with water first: H1 H1 H2 H2 H H Water, H20 Partial charges: His +0.38, O is -0.75 Formal charges: His O, O is o Oxidation State: His +1, O is-2 Electrostatic potential description: The blue (positive) and red (negative) potentials are separated. That makes the molecule polar. The molecule is dark blue (quite positive) over the hydrogen atoms and dark red (quite negative) over the oxygen atom, making water very polar. And now do these two...
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
Pre-Lab Exercise 2-3 Chemical Bonding One of the more challenging concepts to grasp in chemistry is chemical bonding, a topic that pops up again and again in A&P: We revisit it in cytology, the nervous system, blood, respiration, and digestion-to name just a few First let's do some basics. Use your textbook and this unit to answer the following questions 1. Do metals donate or accept electrons? What do they become after they donate/accept electrons? 2. Do nonmetals donate or...
i need help answering these qoustion plz????
Use the short grey sticks for single bonds and the long flexible grey sticks for double and triple bonds. Note: In reality, single bonds are longer than double or triple bonds ) Fill in the table below Molecule # of lone pairs on central atom linear or bent? (Circle one) HO lincar benti SO lincar bent CO. bent lincar HCN bent lincar Question: Based on your answers in the table above and the...
please help
The dehydration of alcohols Under acidic conditions, alcohols will undergo a dehydration reaction, producing an alkene and water. During the reaction, the hydroxyl group of the alcohol and a hydrogen atom from an adjacent carbon atom are lost. The reaction takes place in three steps, as shown in the diagram. (Figure 1) In the first step, a hydrogen lon bonds to the hydroxyl group of the alcohol. In the second step, the protonated hydroxl group leaves the compound,...
1) A hydrogen bond is A) an attraction between a hydrogen atom attached to N, O, or F and an N, O, or Fatom on anothe molecule. B) a covalent bond between H and O. c) an ionic bond between H and another atom. D) a bond that is stronger than a covalent bond. E) the polar O-H bond in water. 2) Which of the following molecules can form hydrogen bonds? A) CH4 B) NaH C) NH3 D) BH3 E)...
Question 3-10 points One of the most important functions of the membrane in living cells is its ability to selectively pass either sodium ions (Na) or potassium ions (K) through channels in the membrane. These ions have the same charge +le). The electric force exerted on them by the membrane will be similar. In addition, they are about the same size (RNa~0.12 nm, RK 0.15 nm). So how can channels in the membrane distinguish between them? One mechanism that has...
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