Grade 11 Objective 4. 1What is the density of this magnetic steel alloy? A 2.67 g/mL B 3.99 g/mL C 6.90 g/mL D 8.01 g/mL.

Write a balanced equation for the reaction of chlorine gas with fluorine gas. express your answer as a chemical equation. identify all of the phases in your answer.

Orange juice has a hydrogen ion concentration of approximately 10^-4. What is the pH of orange juice? Black coffee has a hydrogen ion concentration of approximately 10^-5.

An unknown solution has a pH of 8. How would you classify the solution? A. acidic B. basic C. neutral D. There is not enough information to answer the question

How to tell if its an over or under prediction calculus?

How many atoms are in 5 grams of gold?

Potassium iodide reacts with lead (II) nitrate in this precipitation reaction: 2 KI (aq) + Pb (NO3) 2 (aq) → 2 KNO3 (aq) + PbI2 (s) What minimum volume of 0.200 M potassium iodide solution is required to completely precipitate all of the lead in 155.

Which of the following best describes the valence electrons in a polar covalent bond? O A. The electrons are transferred to the atom with the higher electronegativity. B. The electrons are closer to the atom with the lower electronegativity. C.

Humans are protected from some infections by specialized cells which produce chemicals that

Describe the density of cold water with a high salinity compared to that of warm water with low salinity. Explain your reasoning

Identify the Lewis acid in this balanced equation: Central N is bonded above, left, and below to C H 3 and has 2 electron dots to the right. Plus. B is bonded above, below left, and below right to H. right arrow.