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Questions in chemistry

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

[Homework Help] 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

[Homework Help] What is the volume of a 3.00 M (mol/L) solution made with 122 g of LiF?

[Homework Help] How many mole ratios can be written for a chemical reaction involving 3 substances?

[Homework Help] Which instrument is used to measure the gain or loss of heat? A. Manometer B. Hydrometer C. Calorimeter D. Barometer E. Voltmeter

[Homework Help] Which bond is most polar? A) N-H B) C-H C) O-H D) H-H

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

[Homework Help] 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.

[Homework Help] How can you tell when a solution is formed?

[Homework Help] 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)