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Questions in chemistry
π Answered - Which element has the greatest electronegativity? a. Chlorine b. Oxygen c. Sulfur d. Phosphorus e. Fluorine
π Answered - What is the chemical name for [tex]Fe_2O_3[/tex]?
π Answered - Molarity: 0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. Would it be the same as 0.5 moles of sodium chloride dissolved to make 0.05 liters of solution? Please help me with the grams. Thank you! (First time using this.)
π Answered - How many atoms are in 2.3 g of Na? Show your work. This question will take two steps.
π Answered - Boyleβs Law A. \( q = mcΞT \) B. \( q = H_v m \) C. \( P_1 V_1 = P_2 V_2 \) D. \( D = \frac{m}{V} \) E. \( K = C + 273 \)
π Answered - How much CaCl2, in grams, is needed to make 2.0 L of a 3.5 M solution?
π Answered - The addition of a catalyst in a chemical reaction: A. Increases the concentration of products at equilibrium. B. Increases the fraction of reactant molecules with a given kinetic energy. C. Provides an alternate path with a different activation energy. D. Lowers the enthalpy change in the overall reaction.
π Answered - What are three facts about the biosphere?
π Answered - Which of the following is not a metal? A) Ca B) Se C) Zn D) Mn
π Answered - How to identify the mesomeric effect and inductive effect?
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