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Which solution has the lowest pH?1. 0.10 M HOBr2. 0.10 M HOCl + 0.10 M NaOCl 3. 0.10 M HOCl4. 0.10 M HNO2 + 0.10 M NaNO2 5. 0.10 M HNO2
Draw a diagram showing the hydrogen bonding of an ammonia molecule with two other ammonia molecules. (Draw complete Lewis structures.
What is the concentration of a solution made by diluting 75 mL of 6.0 M HCl to a final volume
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas. Give answer in angstroms, two significant digits.
A 0.2254g sample of naphthalene (C8H10, 128.16g/mol) was burned in a bomb calorimeter with a heat capacity of 2.18kJ/K and temperature increased by 4.16 Celcius, what is the molar enthalpy of combustion for this compound
WHich of the following will act as a lewis acid? (please explain why as I need to understand the concept)
Question- The solubility product constant (Ksp) for the dissolution of CdC2O4 as represented by the chemical equation is 1.5 x 10-8. CdC2O4 (s) Cd2+ (aq) + C2O42- (aq)Calculate the molarity (M) of Cd2+ in a saturated solution of CdC2O4.
An automobile engine requires a carburetor or fuel inector to mix the fuel with air. The fuel and air must be mixed in a particlar ratio to achieve maximum efficiency in the combustion of the fuel.
Question- You is given two samples of two shiny metals, one is silver (Ag) and the other is aluminum (al). Suggest tests which you would carry out in lab to determine the identity of each sample.
Enter balanced molecular, ionic, and net ionic equations for the following pairs of reactants. If all ions cancel, indicate that no reaction (N.R.) takes place.
CaO + C --> CaC2 + CO2 [unbalanced] If 244 g of CaO is combined with 318 g C, how many grams of CO2 could be produced if the reaction goes to completion
50.0-gram sample of impure zinc reacts with exactly 129 mL of hydrochloric acid which has a density of 1.18 g/mL and contains 35.0% HCl by mass. What is the percent of metallic zinc in the sample
A 0.100 M solution of a certain weak acid, HA, is found to have a pH of 2.45. Calculate the % ionization for the acid. Enter the answer as a decimal number with 3 decimal places. Do not enter the units.
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