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What is the height of the column that contains a solution of Sucrose (C12H22O11) with 21% weight percentage of Sucrose? solution density is 1 gr/ml, temperature is 39 celsius.
Calculate the enthalpy change in kJ when 21.6g of H2S is burned. 2H2S(g) + 3O2(g) --> 2SO2(g) + 2H20(g) Change in H=-1036kJ/mol
What is the equation for Coulombic force and why is it important in chemistry? 4. What is the charge on the chloride ion and why does it have this charge
the osmotic pressure produced by the solution was 0.138 atm . What is the molar mass of the protein(g/mol)?
What would you expect to happen if an unknown solution that may contain ions from Groups I through IV were treated with Na2CO3 under basic conditions?
What is the final temperature of the water and pieces of metal?
Draw the Major Organic Products that will form when (E)-3-methyl-3-hexene reacts with ozone
If the pistons in the four cylinders are each displaced with a pressure of 1.52 kbar and each cylinder is ignited once per second, how much work can the engine do in 1.00 minutes?
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
solution of NaCl are mixed together, and a precipitate forms. Which are the spectator ions in this reaction?
A 357 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
Suppose that an excess of propane, C3H8 burns in 320 g of O2. How many moles of H2O will be formed? C3H8 + 5 O2 → 3 CO2 + 4 H2O
were used to dissolvethe potassium hydrogen phthalate, would the calculated molarity of the NaOH solution be less, greater or remain the same? Explain
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