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Problem- 410/186 x. 410/183 z. 412/ 186 Q. 412/185 R. nuclear compositions 1) how many protons does atom X have? 2) How many neutrons does atom z have 3) How many electrons does atom R have 4) Which two atoms are isotopes
Using textbook reference solve the reactions given in above problem
question calculate the standard emf at 25degc of the propane fuel cell given that delta gdeg formation for propane
A student during an extraction experiment lost track of whether a beaker contained an aqueous solution or an organic solution. How could the student determine which type of solutions was in the beaker by a simple test
Why does that least activating group directed the bromination to occur only at the para position
A weather balloon is filled with 5.0 liters of helium at 27C and 1.0 atm. what volume does the balloon have when it has risen to a point in the atmosphere where the pressure is 60 torr and the temperature is -160 C
how DNA polymerase acts on DNA during replication. In addition, show how this information can be exploited during DNA sequencing.
one more question KOH(aq) + H3PO4(aq) For the equation given above, enter the total ionic equation and net ionic equation. only get 3 shots and already used two of them. something is missing.
dexter and mandark team up in order to prevent theasteroids from destroying earth. they start this planet savingfeat by
The assay of a soda ash sample was reported as 65.21% Na2CO3. Express the carbonate content in terms of percent CO2 and percent carbonate ion.
A solution is created with 50.0g of KNO3 MM = 101.1g/mol in 150.0g of the water MM=18.0g/mol. The density of the mixture is 1.25g/cm3. Determine the following
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
compute the quantity of workw that is associated with a 9.5 litre expansion of a gasnbsp againstnbsp the givennbsp
To determine the concentration of a 25.0 mL acetic acid solution (Ka for acetic acid is 1.8 x 10-5), 25.0 mL of 0.200 M NaOH solution is used to reach the endpoint of titration. Calculate the pH of the endpoint.
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