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a what is the ph ofnbsp0067nbspmnbsphclnbspb what is the hydronium ion concentration in a solution with ph
given the following datap4s 6cl2grarr4pcl3g deltarh-2439nbspkj4pcl5grarrp4s10cl2g deltarh3438nbspkjusing hesss law the
how much energy in kj is captured by a solar oven if the mass of the can is 13853 g the mass of the can and water is
assume that you are given an old batch of hydrogen peroxide that has decomposed in storage what color will your
1nbspexplain what like dissolves like means give examples of concept each student needs to present a different example2
predict the charge of the monatomic ions formed by cs give the long hand and short hand electron configuration identify
a student is examining a bacterium under the microscope thenbspe colinbspbacterial cell has a mass ofnbspm 160nbspfg
anbsp2710 molnbspquantity of nocl was initially placed in anbsp1450 lnbspreaction chamber at 400degcnbspafter
in at least 100 words what everyday observation can you make in a glass of water that would give you an idea of whether
how many grams of calcium phosphate are theoretically produced if we start with 5522 grams of cano32nbspand 2854 grams
an aqueous solution of sodium sulfate is allowed to react with an aqueous solution of barium nitrate the net ionic
a beers law plot for cu2nbspwas experimentally obtained the slope of the beers law plot was 160 lmol with a y-intercept
the balmer series occurs in the visible region of the electromagnetic spectrum another set of spectral lines occurs
use your knowledge of electron configurations to explain the following observations a silver tends to form ions with a
there is a vehicle accident containing a 2000 ci source of co-60 that you believe the container has been damaged and
dinitrogen tetroxide decomposes to nitrogen dioxide n2o4g 2no2g rhordm 5724 kjmol at 298k a reaction vessel initially
100 ml of a cu2nbspsolution of unknown concentration was placed in a 250 ml erlenmeyer flask an excess of ki solution
in the acid-catalyzed hydrolysis of starch how can you tell when the hydrolysis of starch is complete make sure you
an ice cube tray contains 185 grams of water at 25 degree cit is cooled until the water freezes ar 0 degree c and then
calculate g0 for the reaction below the standard molar entropy change for the reaction at 298 k is -2875 jmolbullk
predict the products likely to be formed via the anti-addition of br2dcm to trans-cinnamic aciddraw fischer projection
consider the following electrochemical cell cus cuno32aq feno32aq feno33aq ptsa write reduction half-reactions for
the goal of this problem is to calculate the equilibrium constant for reaction 6 in the experiment 4 handout 2cu2aq
because a redox potential is just another way of expressing deltag for a reaction you can write e for any reaction-even
the following reaction occurs spontaneously2als 6haq rarr 2al3aq 3h2gwrite the balanced oxidation half-reaction1 als