Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Problem- Why are the electron affinities of the group 2B elements greater than zero? B) Why do the electron affinities of the group 1B elements become more negative as we move down the group?
Cu?119 , Zn > 0
Ag-126, Cd>0
Au-223,Hg>0
Rework your solution from the beginning and check each step carefully.
why is lithium chlorate be a more practical choice for the "chlorate candle" than either sodium or potassium chlorate
What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.60 nm in diameter. Take the mass of an electron to be 9.11× 10-31 kg.
A crystalline unit cell contains oxygen atoms on all edges of the cell and rhenium atoms on each corner. What is the formula for rhenium oxide
Forecast the products of the following oxides with water Na2O, BaO, CO2, N2O5, P4O10, SO3. State an equation for each of the reactions specify whether the oxides are acidic, basic or amphoteric
The specific heat of mercury metal is 0.138J/gK. How much heat, in joules, is required to heat a 71.5 gram sample of mercury from -6oC to 54.4oC. Enter your answer in scientific notation with no units.
Determine pH of the solution....ICE table..Henderson HasselBach equations, Using a ICE table (initial change equilibrium) a)Calculate the pH of solution that is 0.175M in acidic acid(HC2H3O2) ans 0.110Min potassium Acetate(KC2H302)
When 0.0024 moles of a weak acid are dissolved in enough water to make 0.500 L, the pH of the resulting solution is 5.28. Calculate Ka.
A solution of potassium permaganate is standardized with iron metal, a primary standard. The iron is dissolved in acid, reduced to Fe(II), and titrated with permanganate.
A solution which contains 41.0 g of an unknown molecular compound in 312 g of water freezes at -2.23°C. What is the molar mass of the unknown?
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
Write the complete molecular formula and then completes ionic equations. Then write the net ionic equation.
what is the enthalpy change per mole of ethanol combusted? The specific heat capacity of water is 4.184 J/g×K and the molar mass of ethanol is 46.07 g/mol.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd