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Questions in chemistry

📝 Answered - Chlorine: A. Purple solution B. Brown-orange liquid C. Green gas D. Silver-gray liquid E. Yellow-orange when burned in a flame

📝 Answered - How much water, in liters, must be added to 0.5 L of 6 M HCl to make it 2 M? A. 0.33 B. 0.5 C. 1 D. 1.5 E. 2

📝 Answered - What is the volume of a 3.00 M (mol/L) solution made with 122 g of LiF?

📝 Answered - How many mole ratios can be written for a chemical reaction involving 3 substances?

📝 Answered - Which instrument is used to measure the gain or loss of heat? A. Manometer B. Hydrometer C. Calorimeter D. Barometer E. Voltmeter

📝 Answered - Which bond is most polar? A) N-H B) C-H C) O-H D) H-H

📝 Answered - How many milliliters of [tex] \text{Cl}_2 [/tex] gas must you have to obtain 0.20 g at STP?

📝 Answered - For carbon monoxide poisoning, the treatment involves the administration of oxygen at high pressure, which increases the amount of oxyhemoglobin in the bloodstream. Using Le Chatelier's Principle, completely explain why this treatment is effective.

📝 Answered - How can you tell when a solution is formed?

📝 Answered - NaHCO₃ is a. a strong acid b. a strong base c. a weak acid d. a weak base e. a salt (made from an acid and a base)