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Chemistry Questions and Answers (Q&A)

CECHS
Answered: Jun 06, 2020
To increase the surface area of the reaction

1 Answer

382 views
John Smith
Answered: Jun 06, 2020
Nitrogen

Valence 3 to 1, lose til theres none. Valence 7 to 5, gain til its 8 high. The noble gas is found by writing the configuration of the ion first, then matching it up to the noble...Read More

1 Answer

376 views
CECHS
Answered: Jun 06, 2020
Heat is transferred from the reactants to the water.

1 Answer

374 views
M. Porter, Senior Executive
Answered: Mar 28, 2019
The correct answer to this question is C. Density is a physical property due the ratio between a substance's mass and volume. A physical property is something that does not change the chemical...Read More

2 Answers

373 views
J. Goodman, Web Content Writer
Answered: Aug 29, 2018
The answer is B.) Glass B. Though all glasses have the same depth, Glass B holds the most water. This is in accordance to Archimedes Principle where Pressure is equal to the product of depth, the...Read More

2 Answers

363 views
CECHS
Answered: Jun 06, 2020

Co2

1 Answer

363 views
L. Brett, Sales Manager
Answered: Mar 28, 2019
The correct answer to this question is C. The constant bombardment of gas molecules against the inside walls of a container produces pressure on the walls; gas pressure results from the collision...Read More

2 Answers

359 views
MaryNoblesHancock
Answered: Jun 06, 2020
1/69 g/L

1 Answer

354 views
J. Lautner, Product Manager
Answered: Aug 06, 2019
Ampicillin and Amoxicillin are two types of antibiotics with almost similar composition. Both Ampicillin and Amoxicillin are very much available in the market. Both drugs help in combating the...Read More

2 Answers

353 views
M. Klose, Content Writer
Answered: Oct 09, 2018
The answer to this is C. If you would cover the end of the test tube with a paper towel, there is a big chance that the paper towel will also catch flames. If the liquid inside the test tube is...Read More

2 Answers

353 views
J. Emmerich, Web Content Writer
Answered: Jul 30, 2018
The answer to this question is B. Nv2O. The generic term for Nitrogen Oxide is actually NOx. This is known to be somewhat hazardous to the health because it can change into Nitrogen Dioxide which...Read More

2 Answers

353 views
Bergeront Tiffney, Computer Engineer
Answered: Apr 03, 2019
The right answer is A. Na2SO4 or Sodium sulfate is an inorganic compound that is very soluble in water while SrSO4 or Strontium sulfate that is poorly soluble in water. With that said, these two...Read More

2 Answers

344 views
Mmccoy
Answered: Jun 06, 2020
Volume

1 Answer

343 views
Marshall_Bailey
Answered: Jun 06, 2020
109.5 degrees

1 Answer

337 views
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