What is the Ka of CH3NH3^+? What is phenoxyethyolated alcohol? What is a centrifuge? What is it used for? What is radiology? What is the product? src='48reaction5109843087415371533.jpg' alt='' caption='' What could we get from photoluminescence excitation?
What is the Ka of CH3NH3^+? x + y = 9.0, 0.50x + 0.20y = 3.90. What is the value of x and y? What is the value of x? 10(3.71x) = 315.2(1.19+7.59) In chemistry, what is cracking? What is the name of Cs[IrBr2I2(CO)2]?
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Question: The emf of the following cell was measured at 25{eq}^\circ {/eq}C and found to be 0.322 V. What is the pH of the solution? $$Pt/H_2(g)/HCl( ?\ M,\ aq)/ AgCl(s)/Ag $$ Nernst Equation: Each ele...
A solution is a fluid which is comprised of at least two miscible components. The major component of a solution is called the solvent while its minor components are all referred to as the solutes of the solution.Answer and Explanation: ...
（1）过氧化钙的化学式为 2，其中氧的化合价为 ； 2属于 （“酸”、“碱”、“盐”或“氧化物”）。 （2）正确看待和安全使用食品添加剂非常重要。下图是某超市售卖的2种不同品牌橙汁的标签。 ①2种橙汁均属于 （填“纯净物”或“混合物”）。 ②你更倾向于选择的品...
1. What is the hydroxide ion concentration in an aqueous solution with pH = 3.65? a) 2.2 x 10 -4 b) 2.2 x 10 -7 c) 4.5 x 10 -11 d) 6.5 x 10 -3 e) 1.5 x 10 -12 2. What is the pH of 0.020 M hypochlorous acid (HOCl, K a = 3.5 x 10 -8 )? a) 9.42 b) 12.00...
pH at the Equivalence Point: The equivalence point of an acid-base titration is the point where all the analyte has been neutralized. If the analyte is a weak base B, then all of it has been converted to the conjugate acid HB+. ...
The equilibrium constant based on the concentrations of these species (except water) is the acid dissociation constant "Ka". Answer and Explanation: Answer: a (0.12 M) HF is a weak acid that will partially dissociate according to...
What is the standard deviation of the number of CDs owned?Read the text and then answer the question according to the text.Despite the constant media buzz about the turbulent state of youth today, most of the applications I reviewed are truly remarkable. And...用...