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Problem- You weigh 5 pennies. Should there be any significant difference between the SUM of 5 individual penny masses and the mass of ALL five pennies on the scale together? Please explain.
Please assists me to understand How to do fix this?
write the Nernst equation for the reduction of Fe2O3 (s) according to the reaction listed below, write the equation in terms of pH.
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 22.6% of that found in living organisms.
If you know the balanced equtaion of a reation and the cange in concentration in one of the products or reactents, you can determinethe change in concentation of all the other products an reactants.
How many mL of 0.450 M NaOH are needed to react completely with 25.0 mL of 0.250 M Fe Cl3 solution? FeCl3 aq + 3NaOH arrow to Fe(OH)3 aq +3NaCl aq
if 18.4 ml of 0.800 mrm hcl solution are needed to neutralize 5.00 rm ml of a household ammonia solution what is the
what volume of dry hudrogen would be produced understandard conditions when 0.250 g of magnesium reacts withexcess
Write the rate law for this version of the iodine clock reaction. Could the rate law have been predicted using the coefficients in the balanced equation? Explain
Draw a graph that shows the relative energy of the conformer as a function of the torsional angle. Make sure that you clearly label which conformer corresponds to which position on the graph
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.100 M phosphoric acid solution. pKa1 = 2.16 pKa2 = 7.21 pKa3 = 12.32need..
How much ice (in grams) would have to melt to lower the temperature of 352 of water from 26 to 5. (Assume the density of water is 1.0)
Calculate the temperature of the system once equilibrium has been reached. Assume that CP,m for Au(s) and H2O(l) is constant at their values for 298 K throughout the temperature range of interest.
We have a solution that is in equilibrium with solid Ag2SO3 (ksp=1.5x10^-14), and buffered at pH=8.00. The sulfite anion (SO3(2-)) is the conjugate base of the bisulfite anion (HSO3-), Calculate the concentrations of all chemical species present i..
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