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Could a compound contain both ionic and covalent bonding? Does CaSO4 have both ionic and covalent?
The temperature of the calormieter increases from 19.7 C to 20.6 C if under constant volume condidions, the heat of combusion of glucose is -2805 kJ/mol
An industrial waste from a metals industry contains approximately 5*10^-3 M H2SO4. Before being discharged into the stream, the water is diluted with tap water in order to raise the pH.
Describe the error that has occured; that is , is the mass of the anhydrous salt remaining in the crucible reported as being too high or low? Explain.
Draw one energy diagram showing both reaction pathways & label all transition states, intermediates and products as well as activation energies.
C and dropped into a calorimeter containing water (specific heat capacity 4.18 J/ g C) initially at 20.2deg C. The final temperature of the water is 33.7 deg C. Caluclate the mass of water in the calorimeter.
The solution which passed through the filter was collected in a beaker and excess sodium sulfate solution was added to this beaker. 0.432 g of fry precipitate was collected from this second solution by filtration. Calculate the percent of magnesiu..
In a haloform reaction with chloride, what reaction step is pertinent to the synthesis of molecular chloride?
a 45-year-old woman is receiving a combined modality treatment for the initial stage of breast cancer. state the two
write a general equation that illustrates all acid-base reactions. using equation, what factor can be varied to observe their effect on HEAT
Calculate the collision frequencies z12 and z21, where hydrogen is component 1 and chlorine is component 2. Given: d1=0.272nm and d2=0.544nm.
A quantity of oxygen occupies a volme of 19.2L at STP. How moles of oxygen are present?
Calculate the number of chromium atoms in a 2.0 cm by 1.0 cm by 7.0 cm piece of this stainless steel. Calculate the number of 52Cr atoms in the above sample. The natural abundance of 52Cr is 83.789%.
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