#Chemistry

How to Draw Lewis Dot Structures? (with examples)

Lewis Dot structure is a representation of how electrons are arranged in a molecule. To correctly draw lewis dot structures we need to...

What is the color of bromcresol green indicator in a solution with a pH value of 2.0?

What is the color of bromcresol green indicator in a solution with a pH value of 2.0? (1) blue (2) green (3) red (4) yellow Answer:...

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The hydrogen ion concentration of a solution prepared by diluting 50. mL of 0.10 M HNO3(aq) is?

SAT Chemistry practice from College Board The hydrogen ion concentration of a solution prepared by diluting 50. mL of 0.10 M HNO3(aq)...

What is the difference between molality and molarity

For example 20g of NaCl are dissolved in 100ml of water. Thus, HCl is the solute, water is the solvent, and together they make a solution.

Dilution Formula, general chemistry

Dilution is a common type of problems given to students in the concentration chapter of their chemistry class. To dilute something means...

Which of the following is weakly acidic?

SAT II Chemistry practice question. Topic: Acids and Bases Which of the following is weakly acidic? a. 0.1M HCl b. 0.1M NaCl c. 0.1M...

SAT Chemistry overview

SAT subject test in Chemistry is administered by College Board. Time: The test is 60 minutes long Number of questions: 85 multiple...

What are hydrogen bonds?

Hydrogen bonding will be exhibited by molecules who have OH, NH, or FH bonds. These forces are especially strong and influence the boiling p

How does online chemistry tutoring work?

Online chemistry tutoring is easy and convenient for both the student and the tutor. How does it work? Simple! Transformation Tutoring...

How do I prepare for a chemistry regent exam?

Since regent is a standardized exam, doing a lot of practice is key to your success. Start by doing an exam in the red regents book and goin

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