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How many grams of NaCl would you add to a beaker before adding distilled water (Q.S.) to make 250 mL of an isotonic solution?
The temperature dependence of the reaction rate constant is given by the equation: ... ln k = ln A - Ea/RT ... ... Where: k = rate constant T = temperature A
ozonolysis of a followed by dimethyl sulfide reduction produces a single optically active compound c c5h8o2. reduction
the second-order reaction 2 mnco5 mn2co10 has a rate constant equal to 3.0 x 109 m-1 s-1 at 25degc. if the initial
Oxygen difluoride, OF2, is a colorless, poisonous gas that reacts rapidly with water vapor to produce O2, HF, and heat. OF2(g) + H2O(g) --> 2HF(g) + O2(g) + 324.4 kJ
Calculate the number of molecules of AsCl3 that would be in 1 mL of Solution C at this concentration. Look at your answer. This is the average number per mL. But what is the most likely number (ie integer) of molecules of AsCl3 in 1 mL?
or each of the following cases, briefly explain whether the action causes net reaction from left to right, right to left, or no net reaction. Also, state whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) i..
When a 7.00 g sample of RbBr is dissolved in water in a calorimeter that has total heat capacity of 3.565 KJ.K^-1, the temperature decreases by 0.260K. Calculate the molar heat solution of RbBr
Determine the molecular geometry of each of the following molecules
A sample of ammonia gas at 65.5°C and 524 torr has a volume of 15.31 L. What is its volume when the temperature is -15.8°C and its pressure is 524 torr
Small quantities of oxygen can be prepared in the lab by heating potassium chlorate, KCIO3(s) 2KClO3 -> 2KCl+3O2 Calculate how many grams of O2(g) can be produced from heating 59.4g of KClO3(s)
For how many seconds must the electrolysis of CUSO4 (aq) solution be carried out, at a current of 2.25A, to deposit 2.41 g of copper (Cu) at the cathode
calculate the ratio kcatkuncat.a a reaction has horxn -120. kjmol and a forward activation energy ea 80. kjmol. what
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