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What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.400 L of 0.260 M NaI? Assume the reaction goes to completion.
A single pulse of a laser yields an average of 5.00 × 1018 photons with λ = 633 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses need to melt 10.0g of ice?
When 50 mL of water contains 0.50 moles HCl at 22.5 degrees celsius is added to 50.0mL of water containing 0.50 mol NaOH at 22.5 degrees celsius in a calorimeter, the temperature of the solution increases to 26.0 degrees celsius.
vapor phases of water to all be in equilibrium with each other at 0.1 MPa (see equation below)? Explain in terms of Gibbs phase rule.
Determine the molar mass of the nonelectrolyte if the osmotic pressure of the solution = 23.6 atm, also express your answerin g/mol?
When the ore lead (ll) sulfide burns in oxygen, the products are lead (ll) oxide and sulfur dioxide. Part A: Balance the equation: express the answer as a chemical equation. identify all of the phases in your answer
What volume of O2 at 684mmHg and 37degree celsius is required to synthesize 22.0 mole of NO2.
Which of the following is not an application of colligative properties? A) reducing boiling points of pure liquids at increased altitude B) adding silver to mercury to lower the vapor pressure of mercury C) melting snow by application of salt D) d..
Calculate and indicate values of nonzero formal charges. Based on formal charges, circle the preferred structure.
Calculate the number of grams of Fe formed when 0.100 kg Fe2O3 of reacts.
Write balanced molecular equations for the complete neutralization of each of the acids with the base. Include physical states for all species. Acids: hydrochloric acid and sulfuric acid. Base sodium hydroxide.
what are the allowable transitions from 4d to 5f of hydrogen atoms using the quantum numbers l and m to indicate the allowable transitions
From the same container under the same conditions--same temperature and initial pressure, it takes 40 s for 1.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
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