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Let's just consider the concept of stoichiometry without any confusing chemicals. Here is a generic equation: 2A + 6B → 3C. If you mix 4 units of A and 11 units of B, what would be the theoretical yield of C
how many moles of calcium chloride, cacl2, can be added to 1.5 liters of .020 M potassium sulfate, k2so4, before a precipitate is expected? assume that the volume of the solution is not changed significantly by the addition of magnesium sulfate.
Using the intermolecular bonding between H2O molecules (bonding that exists in solid ice versus liquid water), explain why: 1) ice floats 2) ice formed in the crevices of a road or the granite face of a mountain is able to crack the road or cause ..
Calculate the pH of each of the following solutions containing two solutes in the concentrations indicated. (a) 0.50 M HOAc (acetic acid), 0.5 M NaOAc (sodium acetate); Ka = 1.8 x 10-5
Identify the product of the nuclear reaction by providing its atomic number symbol, mass number, and atomic number.
How many mole of a water can be produced if two mole of hydrogen gas are mixed with two mole of oxygen gas. 2H2 + o2 shows 2H2o
Problem- Part B the volume of added acid required to reach the equivalence point Part C the pH at 4.0mL of added acid Express your answer using two decimal places.
Which solution will have the larger change in its freezing point: a 0.75 molal solution with water as the solvent or a 0.75 molal solution with naphthalene as the solvent. Calculate delta T for water and delta T napthalene
MAPH loses H2O stepwise as it is heated. Between 40 C and 60 C the monohydrate(MAPH) is formed and above 100 C the anhydrous material(MAPH) is formed. What are the Phosphorous % of the monohydrate and anhydrous material
Explain what is the half-life of Ba-137m. Explain what fraction of activity remains after 6.25 minutes? (A=Aoe (-kt); k = .693/t1/2)
A 75.0 mL volume of 0.200 M NH_3 ( Ksp=1.8* 10^-5) is titrated with 0.500 M HNO_3. Calculate the pH after the addition of 23.0 mL of HNO_3.
joe is making a 0.0053 molar sulfuric acid h2so4 solution in the lab. how many grams of pure sulfuric acid is needed to
A mixture of liquid hydrogen and water (99.99 mole %) is in equilibrium with hydrogen gas and water vapor at 25°C. Assuming ideal solution behavior, calculate the system pressure and the molar composition of the gas phase.
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