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Chemistry Questions and Answers (Q&A)

E. James
Answered: Mar 12, 2020
There are two intermolecular forces that are available right now. These two are the following: Dipole-Dipole Forces and London Forces. The London Forces, also are known as the London Dispersion...Read More

4 Answers

1181 views
C. Bernthal, Teacher
Answered: Mar 07, 2019
To create a balanced equation when aluminium reacts with copper (II) sulphate, provide the correct coefficient for each compound. Be sure to count all atoms on each side of the chemical...Read More

2 Answers

1122 views
H. Jones, Web Content Writer
Answered: Jul 11, 2018
H-F is the most ionic out of all the choices available. This is because when the differences are computed, this has the greatest electronegativity difference. Take note that only those with...Read More

8 Answers

1090 views
Ashleyvickers
Answered: Apr 01, 2020
F- has a larger nuclear charge than O2- has

1 Answer

868 views
J.Spencer, Knowledge enthusiast
Answered: Apr 27, 2018
NF3 has a trigonal pyramidal structure. Nitrogen has three bonds with fluorine and the presence of one lone pair. There is a good amount of polarity due to the electronegativity differences in...Read More

3 Answers

850 views
L. Brett, Sales Manager
Answered: Mar 28, 2019
The correct answer to this question is D; the empirical formula for a compound that is 43.6% phosphorus and 56.4% oxygen is P2O5. In the formula, the P stands for phosphorus and the O standards...Read More

2 Answers

754 views
N. Kingsley, Writer
Answered: Jul 17, 2018
Carbon monoxide or CO is the molecular substance in this equation. In order to form a molecule, the atoms must share their electrons rather than completely give or take them away. On all the...Read More

2 Answers

715 views
E. Stanley, Technical writer
Answered: Jul 17, 2018
The sum of the coefficients is basically the total number of reacting molecules and products formed. However, you need to balance the equation first in order to reach the right value. For that,...Read More

3 Answers

694 views
C. Block, English Professor
Answered: Mar 28, 2019
The correct answer to this question is B, square planar. While IF4- has an octahedral electron geometry, the molecular geometry of IF4- takes on a square planar shape. The cause of this is that...Read More

2 Answers

668 views
J. Harty, Writer
Answered: Mar 28, 2019
The correct answer to this question is B, lead(IV) oxide. First, you must determine the type of compound you are working with. Then you must apply the naming convention rules to name the type of...Read More

2 Answers

610 views
H.Jennifer
Answered: Apr 23, 2018
A pure substance is an element or compound that has a constant chemical composition and property. It cannot be separated into components by physical separation, without breaking down chemical...Read More

2 Answers

582 views
E. Stanley, Technical writer
Answered: Jul 17, 2018
The lattice energy is the energy released when the lattice is formed. It can also be the energy required to break the lattice bonds. These can be covalent or ionic bonds. Depending on the forces...Read More

3 Answers

574 views
Anika Nicole, Wordsmith
Answered: May 28, 2018
Given: Sea water contains roughly 28.0 g of NaCl per liter. To find: What is the molarity of sodium chloride (NaCl) in sea water? Solution: Molecular mass of NaCl= 58.4...Read More

3 Answers

570 views
L. Brett, Sales Manager
Answered: Mar 28, 2019
The correct answer to this question is A; the oxidation number of Hydrogen in KH is -1. A few general rules apply when assigning oxidation numbers: a few of these include the oxidation number of...Read More

2 Answers

559 views
C. Marcus, Content Developer
Answered: Sep 25, 2018
Different atoms have different configurations depending on the shell of electrons surrounding them. When these atoms come together in different forms to form molecules, they give rise to...Read More

3 Answers

540 views
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