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If a question asks to find the concentration of something at x time and gives us a k value and an intial concentration and time, how would you know which integrated rate law to use if they did not tell you the order. Are there hints in the data provided which would aide in choosing which integrated rate law to use? Also, if they were to give you the rate law for the overall equation, would you use the overall order's integrated rate law or the specific reactant's order's integrated rate law.
If the flask has a volume of 0.150 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced? (L)
Consider the following reactions and select the false statement below. CO2(g) + OH?(aq) ? HCO3?(aq) Cr3+(aq) + 6H2O(l) ? Cr(H2O)63+(aq) A. in Cr(H2O)63+ the Cr3+ is attracted to the H2O molecules via ion-dipole intermolecular forces
Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.84 g of sodium and 4.37 g of chlorine
Which of the compounds contain chiral centers? (you may choose more than one answer)
A gas made up of atoms escapes through a pinhole times as fast as gas. Write the chemical formula of the gas.
Students in the lab place some sodium chloride in the beaker and remassed it to obtain a mass of 73.25 grams using a digital balance. Find the mass of salt in the beaker.
How many moles of each of the following were in the original sample?
What would you expect to happen if you combined 10.0mL of 10^-2 M acetic acid and 5.0mL of 10^-2 M sodium hydroxide? What would be the concentrations of acetic acid and sodium acetate in this solution
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL. If the patient undergoing the test needs a dose of 10 millicuries
The objective is to implement a menu-based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declared to manage bank accounts.
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