Questions tagged 'Chemistry'
452 questions
Sodium acetate (aq) + hydrochloric acid (aq) –> ?
Could someone help me balance the chemical equation for the reaction between sodium acetate (aq) and hydrochloric acid (aq)? Additionally, I need assistance in writing the complete ionic equation and...
Oct 13, 2024
Fluorine is a toxic, reactive gas. How would you explain why it so reactive?
Fluorine is a toxic and highly reactive gas. Which representation—structural formula, electron dot structure, or three-dimensional model—would you use to explain its reactivity? I am uncertain about w...
Semipermeable membrane. Name solution where net flow will occur?
A semipermeable membrane separates two aqueous solutions at 20 °C. For each of the following cases, determine the solution into which a net flow of water will occur (if any). Assume 100% dissociation...
Calculate the lattice energy of lithium oxide from the following data?
Calculate the lattice energy of lithium oxide using the following data: Enthalpy of sublimation of lithium: +159 kJ/mol Bond energy of oxygen: +498 kJ/mol First ionization energy of lithium: +520 kJ/...
Oct 12, 2024
Give the name and formula of the compound formed when a Mn2+ cation combines with a (PO4)3- anion?
What is the name and formula of the compound formed when a Mn²⁺ cation combines with a (PO₄)³⁻ anion? I am considering the following potential compounds: Manganese phosphate: Mn₃(PO₄)₂ Magnesium pho...
Oct 12, 2024
1st and 2nd ionization steps of carbonic acid.?
Please provide the chemical equations and corresponding equilibrium expressions for the two ionization steps of carbonic acid. Specifically, I would like to understand the first and second ionization...
calculate the molarity of sodium ion in a solution made by mixing 3.4mL of .386 M soldium chloride with 475mL?
Calculate the molarity of sodium ions in a solution created by mixing 3.4 mL of 0.386 M sodium chloride with 475 mL of 0.0712 M sodium sulfate. Assume the volumes are additive.
In a hurry to complete the experiment, Joseph failed to calibrate the spectrophotometer.?
In a rush to complete the experiment, Joseph failed to calibrate the spectrophotometer. As a result, all absorbance values measured and recorded for the standard solutions are too high. How will this...
Describe how acidic solutions differ from pure water
How do acidic solutions differ from pure water in terms of their chemical properties and effects on pH levels? Please provide specific examples to illustrate these differences.
NMR help! Provide a structure for the following compound: C9H13NO.?
Can someone help me determine the structure of the compound with the formula C9H13NO? Here is the data I have: - IR Spectrum: 3360 and 3280 cm⁻¹ (doublet), 1611 cm⁻¹; no carbonyl absorption. - Additi...