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You are given a 2.5 L beaker of water and asked to make a 1 M solution of acetic acid crystal. How much acetic acid crystal will you need to add?
You have 9.0 g of CaCl2(s) crystals and you have to make it into a 3.0 Maqueous solution. How much water do you add?
Description of Alkene Halogenation, What is the major product formed when 1-pentene is reacted with br2 in aqueous solution and why?
When the burner setting is changed to low, the burner continues to produce heat but the orange glow disappears. How can this observation be explained with reference to one of the fundamental observations that led to the notion of quanta?
Given the following balanced chemical equation, answer the following questions: 3 CaCl2 (aq) + 2 Na3PO4 (aq) ? Ca3(PO4)2 (s) + 6 NaCl (aq).
How do you calculate the expected mass of a precipitation?
The incomplete pressures of CH4, N2, and O2 in a sample of gas were found to be 100, 450, and 200 mmHg, respectively. Compute the mole fraction of Nitrogen.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 86% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]
What is the specific heat of titanium in J/(g. oC) if it takes 89.7J to raise the temperature of a 33.0g block by 5.20 oC? What is the molar heat capacity of titanium in J/mol . 0C)
Consider the highest angle line on the diffraction pattern of Cu and of Pb, measured at 20 celsius with CuK radiation. by what percentage is the intensity of each of these lines reduced by thermal vibration of the atoms
A Newtonian fluid with a viscosity of 0.38 Ns/m2 and a specific gravity of 0.99 flows through a 34 mm diameter pipe with a velocity of 2.8 m/s. Determine the Reynold number.
A battery charger use to recharge NiMH batteries can deliver as much as 0.40 A of current to each battery. If it takes 100 min to recharge one battery, how much Ni(OH)2 (in grams) is oxidized to Ni(OH)?
What is the rate constant for the reverse reaction at the same temperature?
Calculate the pH after 0.020 mol of NaOH is added to 1.00 L of a solution consisting of 0.100 M HONH2 and 0.100 M HONH3Cl.
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