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Question- A cube of copper has a volume of 3.54cm^3.
1) What's is the mass of the copper cube? Given density of copper = 8.96g/cm^3.
A sheet of Aluminum foil measures 3.5cm by 7in and has a mass of 2.95g.
2) What is the thickness of the foil if the volume is 3.80cm^3? Given 1in= 2.54cm
I need help for above question. Show each steps for the above problem.
The activation energy of a reaction is 56.8kJ/mol and the frequency factor is 1.5*10^11/s. Calculate the rate constant of the reaction at 26degrees C
a what is the total electron energy for be be and be?hint you may use a symbol rather than numbers to express theenergy
In a combustion reaction 4 moles of C8H18 react with 8 moles of O2. If the actual yield of CO2 produced is 28.16 grams, what is the percent yield?
Any help on how to do or start this problem? Suppose the gas above the soda in a bottle of a soft drink is pure CO2 at a pressure of 2 atm. a. Estimate the pH of the soda. b. Calculate CT, the total dissolved inorganic carbon.
Explain the effect on the observed temperature reading if the bulb is placed below the opening to the condenser
Determine how many grams will remain in 150 Years If we have 150.000 g of 137Ce now,?
100 mL of .200 M HCl is titrated with .250 M of NaOH. What is the pH after 50 mL of the base has been added. What is the pH at the equivalence point
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Consider the reaction 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
Calculate the minimum wavelength of light (in nm) that could break an oxygen-oxygen double bond given that it takes 499 kJ to break on mole of these bonds.
What is the pH of a 0.30 M pyridine solution that has Kb=1.9x10^-9? the equation for the dissociation of pyridine is C5H5N5(aq)+H2O(l) >>> C5H5NH(aq)+OH-(aq).
The Tank contains how many grams of oxygen gas? A steel cylinder with a volume of 12.50 L contains oxygen gas at a pressure
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