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190 ml of 0113 m sulfurous acid h2so3 was titrated with 01015 m kohat what added volume of base does the first
what is the temperature of co2 gas if the average speed actually the root mean square speed of the molecules is 850 ms
a certain elementxhas four isotopes05600 ofxhas a mass of 8391343amu9860 ofxhas a mass of 8590927amu7000 ofxhas a mass
find the number of grams of co2 that exert a pressure of 1013 kpa at a volume of 325 l and a temperature of 100 cfind
for a particle moving in a circular orbit the quantity mvr mass x velocity x radius of the orbit is a fundamental
draw an electrochemical cell made from a magnesium electrode in a 10 m mgso4 solution and a nickel electrode immersed
an unknown gas is placed in a 150 l bulb at pressure of 356mm hg and a temputure 225c and is found to weight 09266 g
look around your house for products like shampoo conditioner supplements oils etc identify at least five compounds from
explain why the d-orbitals on a metal ion split in energy as they do in an octahedral crystal
a student does an experiment to determine the molar solubility of leadii chloride he constructs a voltaic cell at 298 k
ifnbspanbsprodnbspofnbsp1025nbspnbspsteelnbspofnbsp05nbspmnbsplongnbspisnbspheatednbspfromnbsp20nbsptonbsp80ocnbsp293nbs
at constant pressure a sample of gas occupies 420 ml at 210 k what volume does the gas occupy at 250
for the system 2 no2g n2o4g gdeg 11385 kjmol at 1000 k if the system was initialized using enough no2to create a
consider a 0141 l solution of the amino aspartic acid 0825 m which has a carboxylic acid group pka 210 an amine group
1 label the bronsted lowry acids and bases tell which equations are conjugate acid base
in the reaction cl2agno3h2oyelids agclhcio3hno3 chlorine acts both as an oxidizing agent and as a reducing agent how is
how can endothermic reactions be at equilibrium if the forward reaction has a higher activation energy than the reverse
based on what you know about vsepr theory what is the geometry of pf3 how many shared and unshared pairs of electrons
describe what happens to the size of atoms of the elements as you go across a row and down a column in the periodic
question 1a choose the correct answers from the words given belowhcl agnh32cl h2so4 v2o5 n2 o2i a salt obtained on
mass specthere are 3 questionsquestion 1on the next two pages are the ms ir 1h and 13c nmr dept cosy and hetcor spectra
one method of studying diffusion in liquids used by thomas graham is that shown in fig 21-2b it consists of a small
use a table listing the ordinate and area for the normal or gaussian error curve to find the fraction of a gaussian
write a balanced chemical equation for the synthesis of one molecule of glucose from acetyl coa via the glyoxylate
objective this assignment requires that you prepare a research proposal of between 15 and 20 pages on a topic in your